全国服务热线：

15022007788

为民族工业和天津经济腾飞做贡献
专注石油管材产品生产

新闻资讯

News and information

全国服务热线

400-0000-00X

新闻资讯

Q345B等成分性能
来源: | 作者:恒基伟业 | 发布时间: 2022-01-06 | 1390 次浏览 | 分享到:
天津恒基所有钢种内控化学成分与力学性能


化学成分（％）力学性能

钢种CSiMnPSAlsNiCrCuNbTi屈服点（MPa）抗拉强度（MPa）延伸率(%)A冷弯 180°
普碳钢Q1950.06-0.120.12-0.300.25-0.50≤0.045≤0.050





≥195315～430≥33d=0.5a
Q215A0.09-0.150.12-0.300.25-0.55≤0.045≤0.050





≥215335～450≥31d=a
Q215B0.09-0.150.12-0.300.25-0.55≤0.045≤0.045





≥215335～450≥31d=a
Q235A0.14-0.220.12-0.300.30-0.65≤0.045≤0.050





≥235375～500≥26d=1.5a
Q235B0.12-0.200.12-0.300.30-0.70≤0.045≤0.045





≥235375～500≥26d=1.5a
品种钢Q195L≤0.08≤0.100.25-0.50≤0.035≤0.035





≥195315～430≥35d=0.5a
S08Al≤0.08≤0.03≤0.40≤0.020≤0.0300.015-0.065





275～410≥27（长标距）d=0
JL510L≤0.13≤0.50≤1.60≤0.030≤0.025



0.015-0.025
≥355510～610≥24d=a;B=35mm
Q345B0.10-0.16≤0.551.00-1.60≤0.040≤0.040



0.015-0.025
≥345470～570≥21d=2a;B=35mm
Q345C≤0.20≤0.551.00-1.60≤0.035≤0.035≥0.015




≥345470～630

SPA-H≤0.120.25-0.750.20-0.500.07-0.15≤0.040
≤0.650.30-1.250.25-0.60

≥345≥480≥22d=a;B=35mm
20＃0.17-0.230.17-0.370.30-0.65≤0.035≤0.0350.015-0.065




≥245≥410≥25d=2a;B=35mm

J550.07-0.12≤0.301.00-1.50≤0.015≤0.0100.010-0.050


0.015-0.025
380-550≥517≥24d=2a;B=35mm