热轧薄板厂工艺规程-2006-06-01.doc

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1、唐山国丰钢铁有限公司热轧薄板厂工艺规程（草案）目录1目的22适用范围23标准：33.1产品范围及标准33.2各类钢材内控标准63.3商品卷表面质量标准63.4冷轧用热轧卷尺寸偏差与外形标准63.5冷轧用热轧卷表面质量标准73.6各类钢材交货标准73.7取样方法83.8包装标准84产品生产管理流程84.1生产规模84.2生产流程95热轧工艺制度95.1温度制度95.2换辊制度95.3PDI编制105.4轧制单位编制1021目的为加强职工规范操作，保证产品质量和满足顾客的要求。2适用范围热轧薄板厂所有工序。2

2、1标准：1.1产品范围及标准1.1.1低碳钢规格范围牌号分类用途厚度标准CSiMnPSAlCuCrNi屈服强度抗拉强度伸长率180冷弯d(1.2~12.7)*(800~1200)(1.5~12.7)*(800~1300)Q195一般碳素结构钢≤4GB912-890.06~0.120.12~0.300.25~0.5≤0.045≤0.05≥195315~430≥334.0~12.7GB3274-88内控≤0.06≤0.060.25~0.35≤0.025≤0.025Q195L一般碳素结构钢冷轧内控≤0.08≤0

3、.080.25~0.5≤0.035≤0.03508AL优质碳素结构钢冷轧≤4GB710-91≤0.08≤0.03≤0.65≤0.035≤0.0350.015~0.065≤0.25≤0.10≤0.30≥195275~410≥33　4.0~12.7GB711-88内控0.03~0.06≤0.030.25~0.35≤0.020≤0.0200.02~0.04SPHC优质碳素结构钢冷轧JISG3131≤0.15≤0.6≤0.05≤0.05≥270≥310/0.5a内控≤0.08≤0.03≤0.65≤0.035≤0.

4、0350.015~0.065SPHD优质碳素结构钢冷轧JISG3131≤0.08≤0.030.25~0.50≤0.035≤0.035≥195275~410≥38　内控≤0.06≤0.030.30~0.40≤0.025≤0.025St12优质碳素结构钢冷轧DIN1614≤0.10≤0.035≤0.035≤440≥29内控≤0.08≤0.03≤0.65≤0.035≤0.0350.015~0.06508优质碳素结构钢　GB710-910.05~0.110.17~0.370.35~0.65≤0.035≤0.035

5、内控10中碳钢规格范围牌号分类用途厚度标准CSiMnPSAlCuCrNi屈服强度抗拉强度伸长率180冷弯d(1.2~12.7)*(800~1000)(1.5~12.7)*(800~1300)Q215一般碳素结构钢≤4GB912-890.09~0.150.12~0.30≤0.045≤0.045≤0.050≥215335~450≥30　4.0~12.7GB3274-88内控Q235一般碳素结构钢≤4GB912-890.14~0.220.12~0.300.30~0.65≤0.045≤0.050≥235375~5

6、00≥25a/1.5a4.0~12.7GB3274-88内控S235JREN10025-2≤0.19≤1.50≤0.045≤0.0450.015~0.035≤0.6≥235360~510≥261.5a协议0.12~0.16≤0.050.55~0.65≤0.025≤0.025SS400JISG31010.14~0.180.1~0.20.4~0.6≤0.025≤0.0250.015~0.03≥245400~510≥211.5a内控10优质碳素结构钢≤4GB710-910.07~0.130.17~0.370.2

7、5~0.65≤0.035≤0.035295~430≥244.0~12.7GB711-880.07~0.14≤0.040≥335≥320内控15优质碳素结构钢≤4GB710-910.12~0.180.17~0.370.35~0.65≤0.035≤0.035335~470≥244.0~12.7GB711-880.12~0.19≤0.040≥370≥300.5a内控20优质碳素结构钢≤4GB710-910.17~0.230.17~0.370.35~0.65≤0.035≤0.035≤0.25≤0.25≤0.30　

8、355~500≥244.0~12.7GB711-880.17~0.24≤0.040≥410≥28a内控0.17~0.220.18~0.300.40~0.50≤0.025≤0.02510高碳钢及低合金钢规格范围牌号分类用途厚度标准CSiMnPSAlCuCrNi屈服强度抗拉强度伸长率180冷弯d(1.5~12.7)*(800~900)(1.6~12.7)*(800~1000)(2.2~12.7)*(800~1300)Q345B一般