常用材料标准20180628

优质碳素结构钢（GB/T 699-1999）机械性能牌号C08AL08F10F15F081015202530354045505560657075808515Mn20Mn25Mn30Mn35Mn40Mn45Mn50Mn60Mn65Mn70Mn0.05-0.12≤0.030.05-0.110.07-0.13≤0.070.12-0.180.05-0.110.07-0.130.35-0.650.12-0.180.17-0.230.22-0.290.27-0.340.32-0.390.37-0.440.42-0.500.47-0.550.52-0.600.57-0.65≤0.0350.62-0.700.67-0.750.17-0.370.72-0.80≤0.250.77-0.850.82-0.900.12-0.180.17-0.230.22-0.290.27-0.340.32-0.390.37-0.440.42-0.500.48-0.560.57-0.650.62-0.700.90-1.200.67-0.757854508300.70-1.00108011304104504905405605906206456957359309802452752953153353553753904104306626242220181715131193030555050454545404035301080880730≤0.035≤0.25≤0.3069571541042010930300.50-0.803754104504905305706006306456752252452752953153353553753804002725232120191614131255555050454540403535≤0.25≤0.10≤0.153553253352051952052933315560550.25-0.50≤0.15Si化学成分（%）,不大于Mn≤0.45≤0.10CrPSCuNi抗拉强度屈服强度断后伸长断面收缩σbσa率δ5率ψ不小于（≥）Mpa不小于（≥）%325295315195175185333533606055Ps：高级/特级优质碳素结构钢见标准GB/T 699-1999

碳素结构钢（GB/T 700-2006)厚度(或直统一数字牌号等级代号径)/mmQ195Q215U11952U12152U12155U12352U12355U12358U12359U12752U12755U12758U12759--ABABCDABCD----------------≤40＞40----化学成分（%），不大于C0.120.150.220.200.170.240.210.220.200.351.40机械性能屈服强度σa Mpa，不小于断后伸长率A/%,不小于抗拉强度σb Mpa＞40~60厚度(或直径)/mm≤40＞40~60Si0.300.35Mn0.501.20P0.0350.0450.0450.0400.0350.045S0.0400.0500.0450.0500.0450.0400.0350.0500.0450.0400.035厚度(或直径)/mm≤16＞16~40195215185205--195315-430335-4503331--30Q235235225215370-5002625Q2750.351.500.0400.035275265255410-5402221汽车大梁用热轧钢板和钢带（GB/T 3273-2005)牌号370L420L440L510L550L统一数字代号L11381L12431L13451L14521L15561化学成分（%），不大于C0.120.120.180.200.20Si0.500.500.501.001.00Mn0.601.201.401.601.600.0300.030PS机械性能下屈服强度σ抗拉强度σb 断后伸长率a Mpa，不小MpaA/%,不小于于245280305355400370-480420-520440-540510-630550-67028262624233-10mm汽车大梁用搞强度钢带（Q/TX3287-2007)牌号T610L统一数字代号化学成分（%），不大于C0.12Si0.5Mn1.7P0.030S0.025机械性能下屈服强度σ抗拉强度σb 断后伸长率a Mpa，不小MpaA/%,不小于于500550-70018汽车结构用热连轧钢板及钢带（Q/BQB-310-2014)化学成分（%），不大于牌号SAPH310SAPH370SAPH400SAPH440牌号SPFH540SPFH590牌号QStE340TMQStE380TMQStE420TMQStE460TMQStE500TMQStE550TMQStE600TMQStE650TMQStE700TM牌号B600LB650LB700LB750L牌号B440QkB330CLB380CLbccaaaaa机械性能抗拉强度σb Mpa，不小于可用厚度C1.5-16.01.5-12.51.5-12.01.5-8.0可用厚度1.5-6.0可用厚度0.100.210.210.15C0.150.18C上屈服强度σa Mpa，不小于＜6.06.0~＜8.0≥8.01.5~＜2.02.0~＜2.52.5~＜3.15断后伸长率A/%,不小于3.15~＜4.04.0~＜6.3≥6.3拉伸试验规定值适用于纵向取样,L0=50mm,b=25mm(SAPH310屈服强度作为参考值）Si0.300.300.300.30Si0.500.60SiMn0.600.751.401.60Mn1.802.00Mn1.301.40P0.0350.030P0.025P0.0300.0300.0300.0300.0300.0250.0250.0250.025P0.0250.0250.0250.025P0.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0250.030S0.0350.0250.025S0.0250.025S0.0250.0250.0250.0250.0250.0150.0150.0150.015S0.0150.0150.0150.015S0.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0350.0350.0250.0250.0200.025Alt0.0100.0100.0100.010所有板厚310370400440所有板厚185225225305295所有板厚17521523527533323129＜2.02119＜3.0191816141212111010343332302.0~＜2.52220≥3.0252321191716151413≥3.0363534322.5~＜3.252321383635333.25~6.024224037363441383735Alt0.0100.010540590所有板厚355420所有板厚拉伸试验规定值适用于横向取样，L0=50mm,b=25mm,GB/T 228中P14试样Alt0.0150.0150.0150.0150.0150.0150.0150.0150.015420-540450-590480-620520-670550-700600-760650-820700-880750-950所有板厚340380420460500550600650700所有板厚1.5-14.00.120.501.501.601.70拉伸试验规定值适用于纵向试样.标注:当厚度T＞8mm时，允许规定的屈服强度下限降低20Mpaa0.120.121.5-12.0可用厚度0.120.12C0.122.0-12.00.120.120.12可用厚度3.0-8.0C0.210.100.120.120.100.120.120.150.153.0-8.04.0-8.01.5-8.02.0-8.02.0-14.04.0-8.00.120.160.100.120.160.180.160.500.500.600.60Si0.500.500.600.60Si0.350.300.300.300.300.300.300.300.500.50.50.300.500.500.300.501.801.902.002.10Mn1.801.902.002.10Mn1.80.601.201.501.501.502.002.002.001.31.50.601.501.601.601.60Alt0.0150.0150.0150.015＜3.012111010600-760650-820700-880750-950抗拉强度σb Mpa，不小于55060065070016151413拉伸试验规定值适用于纵向试样，标注:当厚度T＞8mm时，允许规定的屈服强度下限降低20Mpa，＜3.0采用L0=80mm,b=20mm试样，≥3.0采用L0=5.65√S0c化学成分（%），不大于机械性能Alt0.0100.010下屈服强度σa Mpa，不小295330-430260于断后伸长率A/%,不小于440225t≤5.5mmt＞5.5-10.0mmt＞10.0-14.0mm343332282528282624222015212725242423拉伸试验规定值适用于纵向取样，L0=50mm,b=25mm0.0100.0100.0100.0100.0100.0100.010----0.0100.0100.0100.0100.010235220380-480420-520450-570380-500450-570500-620550-680320355215305355355400B420CLB450CLB500CLB550CLB600CLB650CLbbbbb1.5-14.0290320-450500-620550-680600-750650-800440-570480-580320-420420-520510-630510-630550-670拉伸试验规定值适用于横向试样，标注:当厚度T＞10mm时，允许规定的屈服强度下限降低10MpabB440QZRB480QZRB320LB420LB510LB510DLB550L低合金高强度结构钢(GB/T 1591-2008)化学成分（%），不大于牌号等级CABQ345CDEABQ390CDEABQ420CDECQ460DECQ500DECQ550DECQ620DECQ690DE0.200.082.020.190.072.010.180.062.000.180.601.800.200.601.800.200.501.700.200.501.700.180.200.501.70机械性能下屈服强度σa Mpa，不小于抗拉强度σb Mpa断后伸长率A/%,不小于SiMnP0.0350.0350.0300.0300.0250.0350.0350.0300.0300.0250.0350.0350.0300.0300.0250.0300.0300.0250.0300.0300.0250.0300.0300.0250.0300.0300.0250.0300.0300.025S0.0350.0350.0300.0250.0200.0350.0350.0300.0250.0200.0350.0350.0300.0250.0200.0300.0250.0200.0300.0250.0200.0150.0100.0050.0000.0050.0100.0150.0200.025厚度(或直径)/mm≤16＞16~40＞40~63厚度(或直径)/mm≤40＞40~63厚度(或直径)/mm≤4020＞40~6319345335325470-6302120390370350490-6502019420400280520-6801918460440420550-7201716500480470610-770600-7601717550530520670-830620-8101616620600590710-880690-8801515690670660770-940750-9201414冷成型用热轧高强度钢（EN10149-2:1995)钢级牌号简称同级以往德国牌号材料编号C化学成分%，不大于MnSiPS机械性能下屈服强度抗拉强度MpaMpa,不小于断后伸长率%，不小于＜3≥3S315MCQStE300TM1.09720.121.300.500.025S355MCQStE360TM1.09760.121.500.500.025S420MCQStE420TM1.09800.121.600.500.025S460MCQStE460TM1.09820.121.600.500.025S500MCQStE500TM1.09840.121.700.500.025S550MCQStE550TM1.09860.121.800.500.025S600MCQStE600TM1.89690.121.900.500.025S650MCQStE650TM1.89760.122.000.600.025S700MCQStE690TM1.89740.122.100.600.025Ps:以往同级牌号并不意味着能完全替代，其它化学成分含量见相关标准a2 :试验批厚度＞8mm，则最低屈服强度可下调20N/mm; 试验批厚度＜3时，断后伸长率L0=80mm；≥3时，断后伸长率L0=5.65√S00.0200.0200.0150.0150.0150.0150.0150.0150.015315355420460500550600650a700a390-510430-550480-620520-670550-700600-760650-820700-880750-950201916141212111010242319171414131212汽车用热轧高强度钢板和钢带（Q/EQL-27-2009)化学成分（%），不大于用途机械性能抗拉强度σb Mpa，不小于屈服强度σa Mpa＜6.0mm期望≥6.0mm期望断后伸长率A/%,不小于L0=50mm,b=25mm＜3.15期望≥3.15~6.3期望L0=200mm,b=40mm≥6.3期望牌号SAPH310SAPH370SAPH400SAPH440可用厚度C1.6-161.6-12.51.6-121.6-8--------Mn--------P0.0250.0250.0250.025S0.0300.0300.0300.030所有板厚310370400440185-305225-355255-400305-440260290350380175-305215-355235-395275-44026029034037033-4732-4531-4029-38＜3.04038363438-5036-4835-4533-42期望27262320184442403726-3825-3724-3622-34L0=5.65√S0≥3.032313028期望汽车一般结构用钢L0=80mm,b=20mmQStE340TMQStE380TMQStE420TMQStE460TMQStE500TMDL370DL440DL5103-103-103-103-103-102-102-102.5-102.5-102.5-102.5-102.5-102.5-101.6-161.6-161.6-161.6-161.6-161.6-161.6-165-145-165-165-16----------------------------------------****----------------------------------------****0.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.030420450480520550370440510540590700750800330380440490510540590440510540590340-460380-510420-550460-590500-700225-355315-445355-510400-540450-590650-750700-800750-850230-315235-365300-425355-490355-510400-590450-590305-445355-505390-530450-590400450500540590290380450480530700750800260300360420430470520375430460530340-450380-500420-540460-580500-690225-355315-435355-500400-530450-580650-740700-790750-840225-310235-355290-420350-480350-490400-525450-580305-435355-495390-520450-58039044049053058029037045047052069074079025529035541041546551036542045052019-3518-3316-3014-2712-2525-4023-3821-3619-3117-2828-4226-4024-3622-3420-3215-2812-2610-2431-3427-4126-4025-3825-3823-3721-3526-4224-3722-3521-33L0=5.65√S0333128252332303028262018163633313030282732312827期望22-3720-3520-3418-3216-3012-2510-238-2126-4022-3721-3620-3420-3418-3217-30--------L0=80mm,b=20mm＜6.0302827252318161433302827272523汽车梁用钢板DL540DL590DL700DL750DL800DCL330DCL380DCL440DCL490DCL510DCL540DCL590DQK440汽车车轮用钢板汽车桥壳用钢板DQK510DQK540DQK590期望≥6.0DP540双相钢DP600DP8001.5-121.5-121.5-6------------0.150.09540600800295-440330-510450-610370420550290-440330-500450-60036041054024-4021-3817-3233302427-4324-40--3532--Ps:1. 对梁用钢和车轮钢的化学成分另有要求的，在材料供货技术协议中规定； 2.“*”标识桥壳用钢的其它化学成分需更加桥壳成型工艺进行规定（在材料供货技术协议中规定）。