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钢号úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
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Q195úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
| 不分等级,其化学成分和力学性能(σs,σb,δ和冷弯)均须保证。úÝi¿õ±;bbs.3c3t.comùëHÀ\\® 对轧制薄板和盘条等产品,其力学性能的保证条件,可根据产品特点和使用要求,在有关标准中另行规定。úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
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|
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|
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|
Q255úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
| 分A、B等级,规定的化学成分和力学性能均须保证úÝi¿õ±;bbs.3c3t.comùëHÀ\\® Q255A不作冲击试验úÝi¿õ±;bbs.3c3t.comùëHÀ\\® Q255B须作室温冲击试验,用V型缺口试样úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
| A4úÝi¿õ±;bbs.3c3t.comùëHÀ\\® C4úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
| A4钢保证的力学性能,C4钢保证的化学成分及力学性能,与Q255钢基本相同úÝi¿õ±;bbs.3c3t.comùëHÀ\\® C4钢附加保证冲击试验,用U型缺口试样úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
|
Q275úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
| 不分等级,规定的化学成分和力学性能均须保证úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
| C5úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
| C5钢保证的化学成分及力学性能,与Q275钢基本相同úÝi¿õ±;bbs.3c3t.comùëHÀ\\®
|