【最新】日本碳素钢材和合金钢硬度表.doc

碳素钢材和合金钢Mechanical Properties 机械性能( minima unless stated )Chemical Composition 化学成份%( maxima unless stated )YieldStress屈服强度TensileStrength抗拉强度Elongation伸长率Impact冲击功( charpy )Hardness硬度 JIS1)AISI2)orSAE3)C Si Mn P S Cr Mo Nikg/mm2 kg/mm2 % J HBCarbon Steel for Machine Structural Use JIS G4051 : 1979 0.08 ~0.130.15 ~0.350.30 ~0.600.03 0.035 - - - 21 32 33 -109 ~159S10C10100.08 ~0.13-0.30 ~0.600.035 0.045 - - - 21 32 33 -109 ~1590.13 ~0.180.15 ~0.350.30 ~0.600.03 0.035 - - - 24 38 30 -111 ~167S15C10150.13 ~0.18-0.30 ~0.600.035 0.045 - - - 24 38 30 -111 ~1670.18 ~0.230.15 ~0.350.30 ~0.600.03 0.035 - - - 35 41 28 -116 ~174S20C10200.18 ~0.23-0.30 ~0.600.035 0.045 - - - 35 41 28 -116 ~1740.37 ~0.430.15 ~0.350.60 ~0.900.03 0.035 - - - 33 55 22 -156 ~217S40C1040 0.37 ~ - 0.60 ~ 0.03 0.045 - - - 33 55 22 - 156 ~0.44 0.90 2170.42 ~0.480.15 ~0.350.60 ~0.900.03 0.035 - - - 35 58 20 -167 ~229S45C10454)0.43~0.50-0.60 ~0.900.035 0.045 - - - 35 58 20 -167 ~2290.52 ~0.580.15 ~0.350.60 ~0.900.03 0.035 - - - 40 66 15 -183 ~255S55C10550.50 ~0.60-0.60 ~0.900.035 0.045 - - - 40 66 15 -183 ~255Chromium Molybdenum Steels JIS G4105 : 19790.28 ~0.330.15 ~0.350.60 ~0.850.03 0.030.90 ~1.200.15 ~0.30- 70 85 18 11241 ~293SCM43041300.28 ~0.330.15 ~0.300.40 ~0.600.035 0.040.80 ~1.100.15 ~0.25- 70 85 18 11241 ~2930.38 ~0.430.15 ~0.350.60 ~0.850.03 0.030.90 ~1.200.15 ~0.30- 85 100 12 6285 ~341SCM44041405)0.38 ~0.430.15 ~0.300.75 ~1.000.035 0.040.80 ~1.100.15 ~0.25- 85 100 12 6285 ~341Nickel Chromium Molybdenum Steels JIS G4103 : 19790.17 ~0.230.15 ~0.350.40 ~0.700.03 0.030.40 ~0.650.15 ~0.301.60 ~2.00- 100 15 7293 ~375SNCM42043200.17 ~0.220.15 ~0.300.45 ~0.650.035 0.040.40 ~0.600.20 ~0.301.65 ~2.00- 100 15 7293 ~375SNCM439 0.36 ~ 0.15 ~ 0.60 ~ 0.03 0.03 0.60 ~ 0.15 ~ 1.60 ~ 90 100 16 7 293 ~0.43 0.35 0.90 1.00 0.30 2.00 35243406)0.38 ~0.430.15 ~0.300.60 ~0.800.035 0.030.70 ~0.900.20 ~0.301.65 ~2.0090 100 16 7293 ~352Notes:1) JIS = Japanese Industrial Standard 日本工业标准2) AISI = American Iron Steel Institute 美国钢铁学会3) SAE = Society of Automotive Enginners 美国汽车工程协会4) AISI 1045 nearest equilvalent : Steel No. 1.1203ASSAB 760BS EN 9 ( BS 970 GRADE 070M55 )EN 10083-1 2C55UNS G104505) AISI 4140 nearest equilvalent : Steel No. 1.7225ASSAB 709BS EN 19A ( BS970 GRADE 708M40 )EN 10083-1 42CrMo4UNS G414006) AISI 4340 nearest equilvalent : Steel No. 1.6582ASSAB 705BS EN 24 ( BS970 GRADE 817M40 )EN 10083-1 34CrNiMo6UNS G43400。