20#精密鋼管38*5.5化學成分 無錫無縫鋼管市場價格
精密鋼管 http://ptcdx.cn
化學成分% | ||||||
C |
Si |
Mn |
S |
P |
Cr | |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
35 |
0.32-0.39 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
|
40Cr |
0.37-0.44 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.08-1.10 |
25Mn |
0.22-0.29 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
37Mn5 http://ptcdx.cn |
0.30-0.39 |
0.15-0.30 |
1.20-1.50 |
≤0.015 |
≤0.020 |
精密鋼管的化學成分有碳C、硅Si、錳Mn、硫S、磷P、鉻Cr。
14*3 |
38*5.5 |
89*5 |
133*18 |
14*3.5 |
42*3 |
89*5.5 |
159*6 |
14*4 |
42*3.5 |
89*6 |
159*6.5 |
16*3 |
42*4 |
89*7 |
159*7 |
18*2 |
42*5 |
89*7.5 |
159*8 |