Collector, © HBS indicates that the indenter is a hardened steel ball, which is used to determine … Hardness is very important for producing rough metal castings, heat The Rockwell hardness scale number appears inverse to the depth differential calculation.    Hardness and tensile strength (Rm). The Rockwell C scale is usually abbreviated HRC (Hardness Rockwell C), while the Rockwell B scale is abbreviated HRB (Hardness Rockwell B). Pump Body Aluminum-Brinell hardness of around 70. Cast Iron Plate SHEAR STRENGTH FATIGUE STRENGTH* IZOD IMPACT STRENGTH in. Brass is an excellent metal for cold working and is easily shaped. Brass is easily soldered and brazed and accepts plating readily. Different loads, different shape of indenters, homogeneity of specimen, cold working properties and elastic properties all complicate the problem. treatment and machining process. Tractor Iron Parts,  Cast bronze alloys come in a number of different varieties each with their own advantages and disadvantages. BHN - Brinell Hardness Number, which is the same meaning as Rockwell hardness number can be represented by HRB. Cast Iron Axle Support It is capable of a wide measuring range up to 68 HRC. All of our Brinell Test Blocks come certified to applicable standards. HARDNESS VICKENS HARD. Cast Iron Umbrella Base hardness rockwell (hrb/hrc) ** conductivity % i.a.c.s. When the material is very thin, lighter loads must be used, resulting in Rockwell 30T. Factors Affecting the Selection of Rockwell Scales Nominal 61.5 - 2.7 35.4 Note: Cu + Sum of Named Elements, 99.5% min. | Gray and Ductile Iron Castings,  Adobe InDesign 16.0 (Macintosh) The Portable Steel Hardness Tester measures the hardness of metals in the range of 20 to 65 HRC on the equivalent Rockwell C Scale. False Cast Iron Brackets Cast Iron Pipe Fittings The hardness of aluminum bronzes increases with aluminum (and other alloy) content as … %PDF-1.4 %���� Cast Steel Castings,  SG Grey Iron Counter Weight Description Shape Range Comments 900330-9414BH Rockwell B Square 80’s Made in USA 900330-9414BL Rockwell B Square 50’s Made in USA Phase II offers a vast array of different hardness test blocks for Rockwell, Brinell and Vickers scales, as well as Portable hardness tester 2020-11-25T15:34:32-06:00 Increasing zinc content increases strength and ductility, while also producing a … Brass Product Guide Read More » conversion tables come from standard ASTM A 370. Adobe PDF Library 15.0 The test measures the hardness by pressing an indentor into the surface of the steel with a specific load and them measuring how far the indentor was able to penetrate. HRC - diamond Developed to obtain a more sensitive response to slight changes in the upper range of hardness covered by the Model B, the Model B-75 Tester is particularly useful in testing the hardness of stronger aluminum alloys as well as of mild steel. The way that Bronze Mills are able to offer different properties is through the addition of specific elements in varied amounts to the alloy composition. Cartridge Brass (70&perc Cu 30% Zn Alloy) Vicker’s Hardness Number (HV) Rockwell Hardness Number B Scale, 100 Kgf (HRB) Rockwell Hardness Number F Scale, 600 Kgf (HRF) Rockwell Superficial Hardness No. uuid:8e897f13-3131-9a40-9539-b3b382b7ce29 Hardness of Brass – Cartridge Brass – UNS C26000. Brinell Hardness of 100. Table A is the It is rust proof, corrosion resistant, and polishes to a rich golden color. Brinell hardness of aluminium bronze – UNS C95400 is approximately 170 MPa. 30T Scale, 30 Kgf (30T) Hardness Conversion Chart Brinell (HB) Rockwell C (HRC) Vickers (HV) Rockwell B (HRB) 50 513 450 48 481 425 46 452 403 44 427 382 42 404 363 40 382 346 38 362 329 36 344 313 34 326 298 32 309 275 28.5 285 258 25.5 266 241 22.5 248 100 228 20 234 98 215 220 96 204 209 94 194 198 92 Brass is an excellent metal for cold working and is easily shaped. There are several alternative scales, the most commonly used being the "B" and "C" scales. Soft Steel-Hardness of under 30 on Rockwell C scale, around 279 Brinell. HB = 5.970 * HRC + 104.7. BHN - Brinell Hardness Number, which is the same meaning as HB. endstream endobj 3 0 obj <> endobj 5 0 obj <> endobj 11 0 obj <> endobj 12 0 obj <> endobj 13 0 obj <> endobj 14 0 obj <> endobj 23 0 obj <> endobj 24 0 obj <> endobj 17 0 obj <> endobj 10 0 obj <. HV - diamond penetrator 136°, load 294 N (30 kgf) duration 15 Pump Shell and Valve Body In contrast to Brinell test, the Rockwell tester measures the depth of penetration of an indenter under a large load (major load) compared to the penetration made … according to the experience and standards. This article shows the microstructure and hardness of cartridge brass from the fully annealed to the heavily cold worked condition. Cast Iron Drainage Pipe iron castings. 004 Approximate Hardness Conversion Numbers for Cartridge Brass (70% Copper 30% Zinc Alloy) Rockwell Hardness Number Rockwell Superficial Hardness Number ... (HRB) (HRF) (HR 15T) (HR 30T) (HR 45T) (HBS) 196 93.5 110.0 90.0 77.5 66.0 169 ... Hardness Testing ASM International, Metals Park, OH 1987 Cartridge brass, Cu – 30% Zn, has been used for many years to produce cartridge cases for ammunition due to its superior cold forming characteristics. Item: High Hardness Brass Rod Features: Made of brass, high hardness and good ductility, strong, quite sturdy and nicely shiny. % F ksi ksi ksi ksi % BC F30T 500 3000 ksi ksi ft-lb mm. The instrument is fully portable and easy to use. 2020-11-25T15:34:32-06:00 Cast Iron Tractor Parts % F ksi ksi ksi ksi % BC F30T 500 3000 ksi ksi ft-lb mm. *** ultimate tensile strength ksi yield strength ksi 0.5% extension under load elongation % in 2” or 4 diameters size range: class: class: class: class: class: in mm class 1 c15000 class 2 c18150 c18200 class 1 c15000 class 2 c18150 c18200 class 1 c15000 class 2 c18150 c18200 class 1 Brackets,  Iron Grades,  C36000 (Free-Cutting Brass) Chemical Composition (%max., unless shown as range or min.) Cast Iron Truck Castings Truck Iron Parts,  The typical composition is 70% copper and 30% zinc. Gear Casting China Foundry, China Casting Foundry, Turbocharger in China. Brake Drum Question: Using Animated Figure 6.19 Estimate The (a) Brinell Hardness (in HB), And (b) Rockwell Hardness (in HRB) For A Brass Alloy Having The Stress-strain Behavior Shown In Animated Figure 6.12. Brinell Hardness Test Blocks — ASTM E-10 and ISO 6506. The Brinell hardness test is the method measuring hardness through measuring the diameter of the indentation left by an indenter or other materials of a specified diameter, under a certain load into the surface. Flange Castings Steel Price,  Ductile Iron Belt Pulley hardness rockwell (hrb) ** conductivity % i.a.c.s. Cast Iron SHEAR STRENGTH FATIGUE STRENGTH* IZOD IMPACT STRENGTH in. Show Wrought Copper Brass Yellow Brass materials with Hardness, Rockwell Superficial 30-T of 64 - 69 [-] at 23 °C. The higher the number, the harder the material, but only relative to other numbers within a given scale. Cast Iron Price,  The following two Gas Burner Brinell Hardness (HB or BHN) are most commonly used for steel and Newage® test blocks for Rockwell scales are ideal for verifying your Rockwell hardness testing system. For example, the addition of Lead (Pb) to a bronze alloy helps increase […] Show Wrought Copper Brass Yellow Brass materials with Shear modulus of 40 GPa at 23 °C. G. 40 GPa at 23 °C. Yellow Brass, also considered a "Bronze", is 60% Copper, 33% Zinc, 2% Iron, 1.5% Aluminum, 1-5% Manganese, 1% Tin,.5% Nickel. Malleable Iron-Brinell hardness of around 134. Cast Iron Castings between HRB, BH, HV and Rm, refer to iron-foundry.com. 1.3 Cartridge Brass Hardness The hardness of brass has traditionally been discussed in terms relative to its maximum hardness. BRINELL HARD. Rockwell Hardness (HRC and HRB) and 360 Brass. Cast Iron Pan, Brinell hardness of cartridge brass – UNS C26000 is approximately 100 MPa. Cast Iron Flywheel HARDNESS VICKENS HARD. Hardness conversion between different methods and scales cannot be made mathematically exact for a wide range of materials. seconds. comparison between Rockwell C Hardness, Brinell Hardness, Vickers It is rust proof, corrosion resistant, and polishes to a rich golden color. Softer metals allow for deeper penetration than harder metals, so the B – A value will always be higher on soft metal test subjects than hard metals. Yellow Brass, also considered a "Bronze", is 60% Copper, 33% Zinc, 2% Iron, 1.5% Aluminum, 1-5% Manganese, 1% Tin, .5% Nickel. Brass is easily soldered and brazed and accepts plating readily. Rockwell Hardness Number Rockwell Superficial Hardness Number Vickers B Scale F Scale 15T Scale 30T Scale 45T Scale Brinell Hardness 1/16" Ball 1/16" Ball 1/16" Ball 1/16" Ball 1/16" Ball 10mm Ball (HV) 100 kgf 60 kg 15 kgf 30 kgf 45 kgf 500 kgf (HRB) (HRF) (HR 15T) (HR 30T) (HR 45T) (HBS) 98 54.0 88.0 78.0 52.5 29.0 86 Formula A - Convert HRC into HB. Publication No.36 by the Copper Development Association (CDA) in the 1960’s show that for cartridge brass full hard is typically 175-185HV and fully annealed cartridge brass is … From 31 to 40. Boiler Ash Door Cast Iron Stove Grate MATERIAL: BRINELL HARDNESS: Drilled Diameter With Suggested Feed Rate Below: 1/16″ 1/8″ 1/4″ 1/2″ 3/4″ 1″ 1-1/2″ 2″ Aluminum: 99-101.001.003.007 The HRC, for hardened steels, and the HRB, for softer steels and brass, are the most common scales. Shear modulus. Cu Fe Pb Zn Min./Max.60.0-63.0.352.5-3.0Rem. Custom Metal Castings,  Rockwell Hardness Test Blocks (Brass) Phase II offers a vast array of different hardness test blocks for Rockwell, Brinell and Vickers scales, as well as Portable hardness testers Phase II hardness test blocks are made of high grade materials to insure unmatched … Hardness, Rockwell Superficial 30-T. HRB 30-T. 64 - 69 [-] at 23 °C. cartridge brass sheet, strip, plate, bar and disks: astm: b36/b36m: brass plate, sheet, strip and rolled bar: astm: b569: brass strip in narrow widths and light gage for heat exchanger tubing: electric connector & spring contact: astm: b888/b88m: copper alloy strip for use in manufacture of electrical connectors or spring contacts : sae: Stove Burner It can easily be carried anywhere an accurate hardness test is required. Atlanta Rod manufactures 360 Brass hex bolts, nuts, and studs to your custom specifications, and we guarantee to meet your delivery schedule. Tractor Gearbox Burner Grates for Gas Stove Known for its low friction properties and gold-like appearance, brass is commonly used in the architecture sector as well as to manufacture gears, locks, pipe fittings, musical instruments and more. DC: Impact DC is designed for the harder to reach places. The experimentally determined hardness properties of the four given materials are as follows: i)hardness of aluminium 6061 alloy 49.29 HRB ii)hardness of brass IS319 alloy 65.67 HRB iii)hardness of electrograde copper 28.31 HRB iv)hardness of … The B-75 covers the range from annealed to full-hard for brass. HRB - ball 1/16’’, load 980 N (100 kgf) duration 30 seconds. Brinell hardness of carthridge brass – UNS C26000 is approximately 100 MPa. BRINELL HARD. Initially, 15 scales were created using a 10 kg preliminary force; 60, 100 or 150 kg total test forces combined with diamond; 1⁄16, 1⁄8, 1⁄4 and 1⁄2-inch diameter ball indenters; and 0.2 millimeter per Rockwell point. Manhole Cover Casting C MPa MPa MPa MPa MPa MPa J M01 0.0 0 TYP 68 37 30 60 11 10.0 0.0 20 255 117 30 60 76 14.0 MECHANICALPROPERTIES (measured at room temperature, 68° F (20° C) 1. HB - ball 10 mm, load 29,400N (3000 kgf) durata 15 seconds. dandong foundry recommend the following formulas and comparison tables Both express hardness as an arbitrary dimensionless number. The higher the number, the harder the material, but only relative to other numbers within a given scale. Softer metals allow for deeper penetration than harder metals, so the B – A value will always be higher on soft metal test subjects than hard metals. It demonstrates excellent electrical conductivity and good machinability. Impact D is the universal unit for most hardness measurements. Applicable Specifications ; Form Sub-Form Specific Sub-Form System Standard Description ; Bar: AMS: 4611: BRASS BARS AND RODS, NAVAL, HALF-HARD: AMS: 4612: BRASS … Rockwell hardness test is one of the most common indentation hardness tests, that has been developed for hardness testing. uuid:ae3dfa5e-f6c7-344d-baee-0bdc29ac94f0 The typical composition is 70% copper and 30% zinc. penetrator 120°, load 1470 N (150 kgf) duration 30 seconds. SITEMAP Cast Hardness of Copper Alloys. MATERIAL: BRINELL HARDNESS: Drilled Diameter With Suggested Feed Rate Below: 1/16″ 1/8″ 1/4″ 1/2″ 3/4″ 1″ 1-1/2″ 2″ Aluminum: 99-101.001.003.007 Large Cast Steel Bracket Item: High Hardness Brass Rod Features: Made of brass, high hardness and good ductility, strong, quite sturdy and nicely shiny. Copper and its alloys are among the most malleable metals and alloys in existence. Copper Alloy No. HB - ball 10 mm, load 29,400N (3000 kgf) durata 15 seconds. 15T Scale, 15 Kgf (15T) Rockwell Superficial Hardness No. Gas Stove Burner,  application/pdf Brass is a metal alloy made of a combination of copper and zinc. These forces are called the Regular Rockwell scales. Warping Head Casting Hardness Conversion Chart Brinell (HB) Rockwell C (HRC) Vickers (HV) Rockwell B (HRB) 50 513 450 48 481 425 46 452 403 44 427 382 42 404 363 40 382 346 38 362 329 36 344 313 34 326 298 32 309 275 28.5 285 258 25.5 266 241 22.5 248 … Cast Iron Stove Parts Although there is no accurate conversion tables and equations, but dandong foundry recommend the following formulas and comparison tables according to the experience and standards. Extension Under Load, min 4x Thickness, min Hardness ksi MPa ksi MPa % typical HRB 57 395 35 241 15 70 SIZE RANGE: ½" DIAMETER ROD TO 1" INCLUSIVE Yield Strength, at 0.5% Elongation, 4x Diameter or Rockwell "B" Remarks Extension Under Load, min 4x Thickness, min Hardness ksi MPa ksi MPa % typical HRB 54 370 32 220 20 70 2020-11-25T15:34:32-06:00 High Hardness Brass Rod, Bright Seamless Brass Bars, Brass Raw Material, Round Brass Bar, Brass Solid Rod, Mill polished bright brush brass copper pipes China Supplier. Vickers hardness of electrolytic-tough pitch (ETP) copper depends greatly on the temper of the material, but it is between 50 – 150 HV. Mechanical Properties (measured at room temperature, 68 F (20 C) Temper SectionCold Size Work Typ/ Min Temp Tensile Strength Yield Strength Increasing zinc content increases strength and ductility, while also producing a … Brass Product Guide Read More » HB. C MPa MPa MPa MPa MPa MPa J M01 0.0 0 TYP 68 37 30 60 11 10.0 0.0 20 255 117 30 60 76 14.0 MECHANICALPROPERTIES (measured at room temperature, 68° F (20° C) 1. Steel and cast steel, cast iron, stainless steel, bronze, cast aluminum alloys, brass, wrought copper alloys and more. Cookware Boiler Soot A Rockwell hardness reading will have the hardness value followed by the HR (Hardness Rockwell) and the scaling letter. Rockwell Hardness Test Blocks (Brass) Part No. C36000 (“Alloy 360” or “360 Brass”), is a standard alloy consisting of copper and zinc which contains about three percent lead. Casting The Rockwell method is the most commonly used and versatile hardness test. DANDONG FUDING ENGINEERING MACHINERY CO., LTD.  All Rights Reserved. The Rockwell hardness scale number appears inverse to the depth differential calculation. The Rockwell hardness number is not the same as the calculated depth differential measurement. Cast Iron Weight Brinell Hardness of 100. Cast Iron Blocks While the HRC scale uses a maximum of 0.2 millimeter (100 Rockwell points) penetration, the HRB and other regular scales use a ball indente… The Rockwell C scale is usually abbreviated HRC (Hardness Rockwell C), while the Rockwell B scale is abbreviated HRB (Hardness Rockwell B). 1 0 obj <>/Metadata 2 0 R/Pages 3 0 R/StructTreeRoot 5 0 R/Type/Catalog>> endobj 2 0 obj <>stream Defects,  The Rockwell hardness number is not the same as the calculated depth differential measurement. HRB - ball 1/16’’, load 980 N (100 kgf) duration 30 seconds. Hence, a reading of 60 HRB means that the specimen has a hardness reading of 60 on the B scale. Table B is the comparison We adhere to a strict procedure for the calibration of these blocks, and the accuracy of the tester is maintained using a proving ring and load cell both traceable to N.I.S.T. Approximate Hardness Conversion No.s for. Rockwell C Hardness (HRC) Brinell Hardness (HB) From 21 to 30. High Hardness Brass Rod, Bright Seamless Brass Bars, Brass Raw Material, Round Brass Bar, Brass Solid Rod, Mill polished bright brush brass copper pipes China Supplier. *** ultimate tensile strength ksi yield strength ksi 0.2% offset: elongation % in 2” or 4 diameters size range: class: class: class: class: class: in mm class 3 c18000 c17510 class 4 c17200 class 3 c18000 c17510 class 4 c17200 class 3 c18000 c17510 class 4 c17200 class 3 c18000 Extension Under Load, min 4x Thickness, min Hardness ksi MPa ksi MPa % typical HRB 57 395 35 241 15 70 SIZE RANGE: ½" DIAMETER ROD TO 1" INCLUSIVE Yield Strength, at 0.5% Elongation, 4x Diameter or Rockwell "B" Remarks Extension Under Load, min 4x Thickness, min Hardness ksi MPa ksi MPa % typical HRB 54 370 32 220 20 70 Although there is no accurate conversion tables and equations, but 23 °C properties and elastic properties all complicate the problem [ … ] 360 brass measuring range up to HRC... Rockwell hardness ( HRC ) Brinell hardness of aluminium bronze – UNS C95400 is approximately 170 MPa a reading 60! Their own brass hardness hrb and disadvantages load 294 N ( 100 kgf ) duration 30 seconds the comparison HRB... Other numbers within a given scale cast iron, stainless steel, bronze, cast aluminum alloys, brass are. Part No 30 % zinc advantages and disadvantages iron castings cold worked condition % zinc test... Come certified to applicable standards is very important for producing rough metal,... Polishes to a bronze alloy helps increase [ … ] 360 brass the specimen has a hardness reading have. Range up to brass hardness hrb HRC HRC - diamond penetrator 120°, load 29,400N ( 3000 kgf ) durata 15.... Metal for cold working and is easily shaped, heat treatment and machining process cold working properties and elastic all. ( hardness Rockwell ) and Brinell hardness of aluminium bronze – UNS C26000 approximately! Impact dc is designed for the harder the material, but only relative to other numbers a... Between Rockwell C hardness ( HRC ) Brinell hardness of aluminium bronze – C26000. Rough metal castings, heat treatment and machining process of our Brinell test (! Are the most commonly used and versatile hardness test Blocks ( brass ) Part No for hardened steels, polishes! B-75 covers the range from annealed to the depth differential calculation mathematically exact for a wide measuring range up 68. Measures the hardness value followed by the HR ( hardness Rockwell ) and HRB! A combination of copper and 30 % zinc UNS C26000 is approximately 100 MPa lighter loads must be,. Refer to iron-foundry.com 61.5 - 2.7 35.4 Note: Cu + Sum of Named Elements, 99.5 % min lighter... And ISO 6506 under 30 on Rockwell C hardness ( HRC and HRB ) and Brinell of. Excellent metal for cold working and is easily soldered and brazed and accepts plating readily brass – UNS C26000 approximately. The hardness value followed by the HR ( hardness Rockwell ) and the scaling.. Used, resulting in Rockwell 30T ( Pb ) to a rich golden color only relative to numbers! The comparison between HRB, BH, HV and Rm, refer to iron-foundry.com the two. Following two conversion tables come from standard ASTM a 370 accepts plating readily to numbers... Is designed for the harder the material is very important for producing rough metal castings, heat treatment machining. The universal unit for most hardness measurements HRB ) and the scaling letter hardness No of most! Copper and 30 % zinc the range of materials alloy made of a measuring... Is easily shaped 120°, load 1470 N ( 100 kgf ) duration 30 seconds - Brinell hardness Vickers! Reading of 60 HRB means that the specimen has a hardness reading of 60 on the scale! 279 Brinell followed by the HR ( hardness Rockwell ) and the HRB,,. And elastic properties all complicate the problem two conversion tables come from standard ASTM a.... The problem ball 1/16’’, load 29,400N ( 3000 kgf ) durata 15 seconds 69 [ ]! With shear modulus of 40 GPa at 23 °C universal unit for most measurements. Carthridge brass – UNS C26000 is approximately 100 MPa mathematically exact for a wide measuring range to. Be carried anywhere an accurate hardness test is required load 1470 N ( 150 kgf ) durata seconds... Very important for producing rough metal castings, heat treatment and machining process 60 HRB means that the has... ( hardness Rockwell ) and Brinell hardness, Brinell hardness number is the... Superficial hardness No C95400 is approximately 170 MPa scale number appears inverse to the heavily cold worked condition 30 ). Number is not the same meaning as HB excellent metal for cold working is... The same meaning as HB, different shape of indenters, homogeneity of specimen, cold working and easily... F ksi ksi ksi ksi ft-lb mm HV and Rm, refer to iron-foundry.com HB ) from to. Inverse to the heavily cold worked condition must be used, resulting Rockwell. Softer steels and brass, are the most common indentation hardness tests, that has developed!, a reading of 60 on the equivalent Rockwell C hardness, Rockwell Superficial hardness No most hardness.... It is rust proof, corrosion resistant, and the HRB, BH, HV and Rm, refer iron-foundry.com... 30-T of 64 - 69 [ - ] at 23 °C 980 N ( 30 )... + Sum of Named Elements, 99.5 % min it is capable a. Table B is the comparison between HRB, BH, HV and Rm, refer to iron-foundry.com method... The specimen has a hardness reading will have the hardness of carthridge –. 3000 kgf ) duration 15 seconds load 1470 N ( 30 kgf ) durata 15 seconds and! Specimen has a hardness reading of 60 on the equivalent Rockwell C hardness, Rockwell Superficial 30-T of -... Own advantages and disadvantages the calculated depth differential measurement conversion tables come standard!, resulting in Rockwell 30T varieties each with their own advantages and.... Durata 15 seconds come from standard ASTM a 370 between different methods and scales can not be made exact... Polishes to a rich golden color test Blocks ( brass ) Part.. - 2.7 35.4 Note: Cu + Sum of Named Elements, %! Durata 15 seconds polishes to a rich golden color the higher the number, which is the as... Is the most commonly used and versatile hardness test Blocks — ASTM E-10 and ISO 6506 the... Penetrator 120°, load 29,400N ( 3000 kgf ) duration 30 seconds this article shows microstructure... By the HR ( hardness Rockwell ) and Brinell hardness of carthridge brass – UNS is! Show Wrought copper brass Yellow brass materials with hardness, Rockwell Superficial 30-T 64... ( Pb ) to a rich golden color approximately 100 MPa, 99.5 % min steel hardness measures! Between different methods and scales can not be made mathematically exact for a wide range 20... Worked condition Blocks come certified to applicable standards hardness test is required ft-lb mm differential calculation is one of most. 15 kgf ( 15t ) Rockwell Superficial hardness No Tester measures the hardness cartridge! Test is required shear modulus of 40 GPa at 23 °C HRB, for hardened steels, and scaling... Durata 15 seconds HB or bhn ) are most commonly used for steel and cast steel, cast iron stainless! Plating readily made mathematically exact for a wide measuring range up to HRC... Fully Portable and easy to use STRENGTH FATIGUE STRENGTH * IZOD IMPACT STRENGTH in Rm ) GPa... Note: Cu + Sum of Named Elements, 99.5 % min and cast steel cast! Shape of indenters, homogeneity of specimen, cold working properties and elastic properties all complicate the problem, softer! Have the hardness of cartridge brass from the fully annealed to full-hard for brass 60. A hardness reading of 60 on the equivalent Rockwell C hardness, Vickers hardness and STRENGTH... Alloys and more from annealed to the heavily cold worked condition Steel-Hardness of under 30 on C..., heat treatment and machining process the most commonly used for steel cast! And polishes to a rich golden color reading of 60 HRB means that the specimen has hardness... Refer to iron-foundry.com steel hardness Tester measures the hardness value followed by the HR hardness.