平均含碳量为0.42-0.50%，平均含硅量为0.17-0.37%，平均含锰量为0.50-0.80%，平均含硫量<=0.035%，平均含磷量<=0.035%，平均含铬量<=0.25%，平均含镍量<=0.2545钢
机械加工用45#厚壁无缝钢管
45号无缝钢管
规格
|
89x12 |
146x30 |
194x35 |
245x50 |
377x20 |
|
89x20 |
159x18 |
194x40 |
245x55 |
377x25 |
|
89x26 |
159x22 |
194x50 |
273x20 |
377x30 |
|
89x30 |
159x25 |
219x20 |
273x22 |
377x35 |
|
108x16 |
159x30 |
219x25 |
273x25 |
377x40 |
|
108x20 |
159x35 |
219x28 |
273x28 |
377x45 |
|
108x26 |
159x40 |
219x30 |
273x30 |
377x50 |
|
108x30 |
168x20 |
219x35 |
273x32 |
377x55 |
|
114x18 |
168x25 |
219x40 |
273x35 |
377x60 |
|
114x22 |
168x28 |
219x45 |
273x40 |
406x20 |
|
114x28 |
168x30 |
219x48 |
273x45 |
406x26 |
|
133x18 |
168x35 |
219x50 |
273x50 |
406x32 |
|
133x22 |
168x40 |
203x20 |
273x55 |
406x40 |
|
133x26 |
180x16 |
203x30 |
325x20 |
426x20 |
