中国钢材标准
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
GB 699-88 |
|
化学成分(%)
|
0.42-0.50C,0.17-0.37Si,0.50-0.80Mn,0.035P,0.035S,0.25Ni,0.25Cr,0.25Cu |
|
形
态 |
锭、坯、条、管、板、带 |
状
态 |
不热处理、退火、正火、高温回火 |
|
抗拉强度Mpa
|
600 |
屈服强度Mpa
|
355 |
伸长率%
|
16 |
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
GB 8713-88 GB 3639-83 |
|
化学成分(%)
|
0.42-0.50C,0.17-0.37Si,0.50-0.80Mn,0.035P,0.035S,0.25Ni,0.25Cr,0.25Cu |
|
形
态 |
无缝管 |
状
态 |
冷加工、消除应力 |
|
抗拉强度Mpa
|
608-647 |
屈服强度Mpa
|
------ |
伸长率%
|
4、5、7 |
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
GB 3094-82 |
|
化学成分(%)
|
0.42-0.50C,0.17-0.37Si,0.50-0.80Mn,0.035P,0.035S,0.25Ni,0.25Cr,0.25Cu |
|
形
态 |
异型管 |
状
态 |
冷拔、正火 |
|
抗拉强度Mpa
|
588 |
屈服强度Mpa
|
333 |
伸长率%
|
14 |
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
GB 8162-82 YB(T)63-87 |
|
化学成分(%)
|
0.42-0.50C,0.17-0.37Si,0.50-0.80Mn,0.035P,0.035S,0.25Ni,0.25Cr,0.25Cu |
|
形
态 |
无缝管 |
状
态 |
热轧、热处理 |
|
抗拉强度Mpa
|
590 |
屈服强度Mpa
|
315-335 |
伸长率%
|
14 |
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
GB 3078-82 |
|
化学成分(%)
|
0.42-0.49C,0.20Si,0.60Mn,0.04S,0.035P |
|
形
态 |
冷顶锻用棒 |
状
态 |
退火 |
|
抗拉强度Mpa
|
商定 |
屈服强度Mpa
|
商定 |
伸长率%
|
商定 |
|
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
ZBH 44002-88 |
|
化学成分(%)
|
0.43-0.49C,0.17-0.37Si,0.50-0.80Mn,0.035P，0.035S |
|
形
态 |
盘条 |
状
态 |
热轧 |
|
抗拉强度Mpa
|
------ |
屈服强度Mpa
|
------ |
伸长率%
|
------ |
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
YB(T)67-87 |
|
化学成分(%)
|
0.43-0.49C,0.17-0.37Si,0.50-0.80Mn,0.035P，0.035S,0.025Cr，残余镍、铜各0.25 |
|
形
态 |
板、带 |
状
态 |
正火、退火、高温、回火 |
|
抗拉强度Mpa
|
600 |
屈服强度Mpa
|
345 |
伸长率%
|
18 |
|
国
家 |
中国 |
牌
号 |
45 |
编号UNS
|
|
标准号
|
YB 477-64 |
|
化学成分(%)
|
0.040P,0.040S,其余与GB
699相同 |
|
形
态 |
棒 |
状
态 |
热轧、冷粒、热处理 |
|
抗拉强度Mpa
|
598 |
屈服强度Mpa
|
353 |
伸长率%
|
16 |
|
国
家 |
中国 |
牌
号 |
20MnSi |
编号UNS
|
|
标准号
|
YB(T)27(1)-89 |
|
化学成分(%)
|
0.17-0.23C,0.40-0.70Si,1.30-1.70Mn,0.045P，0.045S，残余铬、镍、铜各0.30，C+1/6Mn<=0.5 |
|
形
态 |
螺纹钢筋 |
状
态 |
热轧 |
|
抗拉强度Mpa
|
510 |
屈服强度Mpa
|
345 |
伸长率%
|
18 |
|
国
家 |
中国 |
牌
号 |
Q235-A(F.B.Z) |
编号UNS
|
|
标准号
|
GB 700-88 |
|
化学成分(%)
|
0.14-0.22C,0.30-0.65Mn(F钢Mn上限0.60),0.30Si,0.050S,0.045P,残余铬、镍、铜各0.30 |
|
形
态 |
锭、坯、型、条、板、管、带线 |
状
态 |
热（冷）轧、正火 |
|
抗拉强度Mpa
|
375-460 |
屈服强度Mpa
|
185-235 |
伸长率%
|
21-26（按不同尺寸） |
|
|
国
家 |
中国 |
牌
号 |
Q235-B(F.B.Z) |
编号UNS
|
|
标准号
|
GB 700-88 |
|
化学成分(%)
|
0.12-0.20C,0.30-0.70Mn(F钢Mn上限0.60),0.30Si,0.045S,0.045P,残余铬、镍、铜各0.30 |
|
形
态 |
锭、坯、型、条、板、管、带线 |
状 态 |
热（冷）轧、正火 |
|
抗拉强度Mpa
|
375-460 |
屈服强度Mpa
|
185-235 |
伸长率% |
21-26（按不同尺寸） |
|
|
|
