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钢号hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 技术条件hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K | 钢号hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 技术条件hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K |
Q195hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 不分等级,其化学成分和力学性能(σs,σb,δ和冷弯)均须保证。hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K 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。hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| A1hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K B1hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| A1钢保证的力学性能(σs,σb,δ和冷弯),B1钢保证的化学成分与Q195相同hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K A1钢的冷弯试验是附加保证条件hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K 1号钢没有特类钢hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
|
Q215hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 分A、B等级,规定的化学成分和力学性能均须保证hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K Q215A不作冲击试验hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K Q215B 须作室温冲击试验,用V型缺口试样hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| A2hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K C2hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| A2钢保证的力学性能,C2钢保证的化学成分及力学性能,与Q215钢基本相同hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
|
Q235hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 分A、B、C、D等级,规定的化学成分和力学性能均须保证hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K Q235A不作冲击试验hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K Q235B 须作室温冲击试验,用V型缺口试样hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K Q235C、Q235D用于重要焊接结构,前者于0OC作冲击试验,后者于-20OC作冲击试验,试样,试样同上hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| A3hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K C3hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| A3钢保证的力学性能,C3钢保证的化学成分及力学性能,与Q235钢基本相同hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K A3钢附加保证常温冲击试验,用U型缺口试样hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K C3钢附加保证常温或-20OC冲击试验,试样同上hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
|
Q255hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 分A、B等级,规定的化学成分和力学性能均须保证hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K Q255A不作冲击试验hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K Q255B须作室温冲击试验,用V型缺口试样hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| A4hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K C4hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 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hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K C4钢附加保证冲击试验,用U型缺口试样hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
|
Q275hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| 不分等级,规定的化学成分和力学性能均须保证hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| C5hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
| C5钢保证的化学成分及力学性能,与Q275钢基本相同hSüª¶©½Àbbs.3c3t.comIÞRÂ5ªI0K
|