4.安钢产品说明书

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1、第9页共9页一、高强度钢板1.1产品牌号及用途。产品名称牌号牌号含义执行标准用途低合金高强度钢板Q390Q—钢材屈服点的“屈”字汉语拼音的首位字母；数值—代表屈服点；GB/T1591-94用于工程机械、钢结构、桥梁、建筑等行业，具有良好的强度、韧性和焊接性能。制造厂房、一般建筑及各类工程机械、如矿山和各类工程施工用的钻机、电铲、电动轮反斗车、矿用汽车、挖掘机、装载机、推土机、各类起重机、煤矿液压支架等机械设备及其它结构件。Q420Q460AH60AH—代表安钢高强度钢；60，70—代表抗拉强度分别60，70为公斤级。企业

2、标准或技术协议AH70DB1.2技术要求：1.2.1化学成分牌号等级C≤MnSi≤P≤S≤VNbTiAL≥Cr≤Ni≤Q390A0.21.0~1.60.550.0450.0450.02~0.200.015~0.060.02~0.020.30.7B0.0400.0400.02~0.200.015~0.060.02~0.020.30.7C0.0350.0350.02~0.200.015~0.060.02~0.020.0150.30.7D0.0300.0300.02~0.200.015~0.060.02~0.020.0150.

3、30.7E0.0250.0250.02~0.200.015~0.060.02~0.020.0150.30.7Q420A0.21.0~1.70.550.0450.0450.02~0.200.015~0.060.02~0.020.40.7B0.21.0~1.70.550.0400.0400.02~0.200.015~0.060.02~0.020.40.7C0.21.0~1.70.550.0350.0350.02~0.200.015~0.060.02~0.020.0150.40.7D0.21.0~1.70.550.0300.0

4、300.02~0.200.015~0.060.02~0.020.0150.40.7E0.21.0~1.70.550.0250.0250.02~0.200.015~0.060.02~0.020.0150.40.7Q460C0.21.0~1.70.550.0350.0350.02~0.200.015~0.060.02~0.020.0150.70.7D0.21.0~1.70.550.0300.0300.02~0.200.015~0.060.02~0.020.0150.70.7E0.21.0~1.70.550.0250.0250

5、.02~0.200.015~0.060.02~0.020.0150.70.7AH60CSiMnPSNbV0.13-0.190.15-0.501.20-1.60≤0.035≤0.0350.015-0.0600.02-0.20第9页共9页AH70DBCSiMnPSNbVTiAl、Cr、Ni、Cu、Mo、B≤0.120.12-0.501.20-1.85≤0.025≤0.0250.015-0.100≤0.20≤0.030适量1.2.2力学性能牌号等级屈服点σs，MPa抗拉强度σbMPa伸长率δ5%纵向冲击功，AkV，J（℃）18

6、0°弯曲试验d=弯心直径a=试样厚度≤16>16-35>35-50200-20-40不小于不小于≤16＞16Q390A390370350490-650182a3aB390370350490-65018342a3aC390370350490-65019342a3aD390370350490-65019342a3aE390370350490-65019272a3aQ420A420400380520-680172a3aB420400380520-68017342a3aC420400380520-68018342a3aD4204

7、00380520-68018342a3aE420400380520-68018272a3aQ460C460440420550-72016342a3aD460440420550-72016342a3aE460440420550-72016272a3aAH60A460440420≥570162a3aB460440420≥57016342a3aC460440420≥57016342a3aD460440420≥57016342a3aAH70DB550≥67016473a第9页共9页二、桥梁板2.1产品牌号及用途产品名称牌号牌号含

8、义执行标准用途桥梁钢Q345qQ—钢材屈服点的“屈”字汉语拼音的首位字母；数值—代表屈服点；q—桥的汉语拼音的首位字母GB/T714-2000用于制作铆接及栓焊结构的公路桥梁及铁路桥梁（包括跨海大桥）。Q370qQ420q2.2技术要求：2.2.1牌号及熔炼成分2.2.1.1牌号及熔炼成分表1牌号质量等级CSiMnP