S355J2钢板采用了欧洲标准EN10025-2,该板由ECISS/TC10技术委员会“结构钢的分级和质量”编写。S355J2钢板大致相当于GB的Q345dS355J2,J2表示递送状态已归一化,-20°C时的冲击能为27J。
S355J2低合金钢的化学成分
碳C:≤0.22;Silicon SI:≤0.55;锰MN:≤1.60;磷P:≤0.025;硫S:≤0.025;Cu:≤0.55;
S355J2低合金钢的屈服强度
(MPA):≤16mm:≥355;
16-40:≥345;
40-63:≥335;
63-80:≥325;
80-100:≥315;
100-150:295;
150-200:≥285;
200-250:≥275;
250-400:≥265。
S355J2低合金钢的拉伸强度
(MPA):450-680。
冲击能量:-20℃:≥27。
S355J2低合金钢的应用
S355J2 low alloy steel has good comprehensive mechanical properties, low temperature impact toughness, cold stamping and machinability, and is widely used in welded structures subjected to dynamic loads, such as bridges, vehicles, ships, pipelines, boilers, large containers, oil tanks,重型机械和设备。
下一个:ASTM A517用于储罐的钢