产品介绍
Q390,,,,,,,
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化学成分含量
等级,C,Mn,Si,P,S,V,Nb,Ti,Al,Cr,Ni,
A,≤0.20,1.00~1.60,≤0.55,≤0.045,≤0.045,0.02~0.20,0.015~0.060,0.02~0.20,-,≤0.30,≤0.70,
B,≤0.20,1.00~1.60,≤0.55,≤0.040,≤0.040,0.02~0.20,0.015~0.060,0.02~0.20,-,≤0.30,≤0.70,
C,≤0.20,1.00~1.60,≤0.55,≤0.035,≤0.035,0.02~0.20,0.015~0.060,0.02~0.20,≥0.015,≤0.30,≤0.70,
D,≤0.20,1.00~1.60,≤0.55,≤0.030,≤0.030,0.02~0.20,0.015~0.060,0.02~0.20,≥0.015,≤0.30,≤0.70,
E,≤0.20,1.00~1.60,≤0.55,≤0.025,≤0.025,0.02~0.20,0.015~0.060,0.02~0.20,≥0.015,≤0.30,≤0.70,
力学性能
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【抗拉强度】(σb/MPa),490~650
【伸长率】(δ5/%)
等级,δ5/%,
A,≥19,
B,≥19,
C,≥20,
D,≥20,
E,≥20,
【屈服点】(σs/MPa)
厚度(直径、边长)/mm,≤16,>16~35,>35~50,>50~100,
σs/MPa,≥390,≥370,≥350,≥330,
【冲击吸收功】(Akv(纵向)/J)
等级¦温度,,20℃,0℃,-20℃,-40℃,
A,?,?,?,?,
B,≥34,?,?,?,
C,?,≥34,?,?,
D,?,?,≥34,?,
E,?,?,?,≥27,
Q390E
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材料名称:低合金高强度结构钢,
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标准:GB/T,1591-1994,
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化学成份:,
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碳,C:≤0.20,
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硅,Si:≤0.55,
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锰,Mn:1.00~1.60,
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硫,S:≤0.025,
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磷,P:≤0.025,
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铬,Cr:≤0.30,
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镍,Ni:≤0.70,
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铜,Cu:答应残余含量≤0.30,
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钒,V:0.02~0.20,
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铌,Nb:0.015~0.060,
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钛,Ti:0.02~0.20,
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钼,Mo:可少量加入,
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力学性能:,
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抗拉强度,σb(MPa):490~650,
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屈服强度,σs(MPa):≤16时:≥390,,>16~35时:≥370,,>35~50时:,≥350,,>50~100时:,≥330,
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伸长率,δ5(%):≥20,
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冲击功,Akv(J):-40℃时:≥27,
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试样尺寸:试样厚度(直径,边长),
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交货状态:以热轧、控轧、正火及正火加回火状态交货。
单位名称:昆山奔驰特殊钢材有限公司
地址:江苏省昆山市城北国际模具城材料区7幢4号,邮编:213000
我公司:长期有大量现货供应,规格齐全,欢迎前来选购。
手机:18784552399
传真:0512-87886370
联系人:朱小姐
联系电话0512-57802609,,,57800094
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