GB307788合金结构钢技术条件.doc

(GB3077-88)牌号化学成份%CSiMnMoCrNiVTiB40MnB0.37-0.440.17-0.371.10-1.40-0.0005-0.003540MnVB0.37-0.440.17-0.371.10-1.40-0.05-0.10-0.0005-0.003520Cr0.17-0.240.17-0.370.50-0.80-0.70-1.00-40Cr0.37-0.440.17-0.370.50-0.80-0.80-1.10-30CrMo0.26-0.340.17-0.370.40-0.700.15-0.250.80-1.10-35CrMo0.32-0.400.17-0.370.40-0.700.15-0.250.80-1.10-42CrMo0.38-0.450.17-0.370.50-0.800.15-0.250.90-1.20-25Cr2MoVA0.22-0.290.17-0.370.40-0.700.25-0.351.50-1.80-0.15-0.30-返回结构钢 发布时间: 2002/08/22 文章来源: 结构钢 合金结构钢、碳素结构钢生产历史悠久，钢以精炼方法冶炼，性能优良,质量稳定,品种齐全。高质量水平的汽车钢和近年研制开发的经济型剥皮钢，非调质钢、抽油杆用钢，在各行业获得极高信誉。“合金结构钢光亮材”实物质量水平同发达国家同类产品相同，荣获国家冶金产品实物质量“金杯奖”。 钢的牌号 牌 号化 学 成 份 %中国JISAISICSiMnPSNiCrMo其它碳素结构钢45S45C10450.42 0.500.17 0.370.50 0.800.0350.0350.0250.02560MnS58C10620.57 0.650.17 0.370.70 1.000.0350.0350.0250.025合金结构钢40Mn2SMn43813400.37 0.440.17 0.371.40 1.800.0350.0350.300.3035SiMn0.32 0.401.10 1.401.10 1.400.0350.0350.300.3040B14B350.37 0.440.17 0.370.60 0.900.0350.0350.300.30B:0.0005 0.003540CrSCr44051400.42 0.490.17 0.370.50 0.800.0350.0350.300.80 1.1035CrMoSCM43541350.32 0.400.17 0.370.40 0.700.0350.0350.300.80 1.100.15 0.2550CrVASUP1061500.47 0.540.17 0.370.50 0.800.0250.0250.300.80 1.10V:0.10 0.2020CrMnSMnC42051200.17 0.230.17 0.370.90 1.200.0350.0350.300.90 1.2030CrMnSiA0.28 0.340.90 1.200.80 1.100.0250.0250.300.80 1.10牌 号化 学 成 份 %中国JISAISICSiMnPSNiCrMo其它40CrNiMoASNCM43943400.37 0.440.17 0.370.50 0.800.0250.0251.25 1.650.60 0.900.15 0.2540CrMnMo41420.37 0.450.17 0.370.90 1.200.0350.0350.300.90 1.200.20 0.3020CrMnTi0.17 0.230.17 0.370.80 1.100.0350.0350.301.00 1.30Ti:0.04 0.1040CrNi31400.37 0.440.17 0.370.50 0.800.0350.0351.00 1.400.45 0.7512CrNi3SNC81533100.10 0.170.17 0.370.30 0.600.0350.0352.75 3.150.60 0.9018Cr2Ni4WA33160.13 0.190.17 0.370.30 0.600.0250.0254.00 4.501.35 1.65Ti:0.80 1.20易切削钢Y12SUM21B11120.08 0.160.15 0.350.70 1.000.08 0.150.10 0.20Y40MnSUM4212120.37 0.450.15 0.351.20 1.550.0500.20 0.3045S200.42 0.500.10 0.400.70 1.100.0700.15 0.25Cu:0.25牌 号化 学 成 份 %中国JISAISICSiMnPSNiCrMo其它非调质钢YF35V0.32 0.390.20 0.400.60 1.000.0350.035 0.0750.300.30V:0.06 0.13YF40MnV0.37 0.440.30 0.601.00 1.500.0350.35 0.750.300.30V:0.060.13F45V0.42 0.490.20 0.400.60 1.000.0350.0350.300.30V:0.060.13抽油杆材料30Mn2SiV0.30 0.340.90 1.051.28 1.420.0250.0250.04Ti:0.020.05V:0.080.1320CrMoA0.17 0.240.17 0.370.40 0.700.0250.0250.300.80 1.100.15 0.25 【关闭窗口】合金结构钢性能特点：合金结构钢除含碳外，还会有一种或几种合金元素，如硅、锰、钒、钛、硼、镍、铬、钼等，易于淬硬和不易变形，便于通过热处理改善钢的性能。主要用途：合金结构钢广泛用于制造汽车、拖拉机、船舶、汽轮机、重型机床等各种传动件和紧固件，如齿轮、连杆、各类工具等。牌号相似牌号化学成份力学性能AISIJISDINCSiMnMoCrNiS (Mpa) b (Mp) 5 (%) (%) Ak(J)20Cr5120SCr42020Cr40.18-0.240.17-0.370.50-0.800.07-1.0054083510404740Cr5140SCr44041Cr40.37-0.440.17-0.370.50-0.800.08-1.1078509809454720CrMo4118SCM42020CrMo40.17-0.240.17-0.370.40-0.700.15-0.250.08-1.10685088512507835CrMo4135SCM43534CrMo40.32-0.400.17-0.370.40-0.700.15-0.250.09-1.2083598012456342CrMo4140SCM44042CrMo40.38-0.450.17-0.370.50-0.800.15-0.250.09-1.20930408012456340CrMnMo4142SCM44042CrMo40.37-0.450.17-0.370.90-1.200.15-0.250.09-1.2078598010456320CrMn5120SmnC42020MnCr50.17-0.230.17-0.370.90-1.200.09-1.2073593010454720CrMnTi0.17-0.230.17-0.370.80-1.101.00-1.30(Ti)0.04-0.10835408010455520MnVB0.17-0.230.17-0.371.20-1.60(V)0.07-0.12(B)0.0005-0.0035885408010455538CrMoAlSmnC6450.35-0.421.30-1.600.15-0.251.35-1.65(Al)0.70-1.01835980145071牌号主要作途20Cr凹轮轴，小拖拉机传动齿轮，较重要渗碳件40Cr螺杆，连杆，进气阀螺栓，重要齿轮