|
DIN 2391-1/EN 10305-1
所属分类:碳钢无缝管和合金管
产品介绍:
标准: DIN 2391-1/EN 10305-1 |
冷拔或冷轧精密无缝钢管GB/T 3639 Cold drawn or cold rolled precision seamless steel tubes 液压气动缸筒用精密内径无缝钢管GB/T 8713 inside precision seamless tubes for hydraulic pressure and pneumatic services |
Application:
| 汽车用管/for Atuo usd;机械用途/for machinery use;油缸管/Oil cylinder tube;摩托车减震器钢管/Motorcycle shock reducer steel tubes;汽车减震器内缸筒/Auto shock reducer inner cylinder |
Size(mm):
| 外径 O.D.:6.0-224.0 壁厚 W.T.:1-15 长度 L:max 12000 |
钢号及化学成分 Grade and Chemical Composition(%):
牌号 |
化学成分(%) |
C max |
Si max |
Mn |
P max |
S max |
St 35 |
0.17 |
0.35 |
≥0.40 |
0.025 |
0.025 |
St 45 |
0.21 |
0.35 |
≥0.40 |
0.025 |
0.025 |
St 52 |
0.22 |
0.55 |
≤1.60 |
0.025 |
0.025 |
Steel grade |
化学成分(%) |
Steel name |
Steel number |
C max |
Si max |
Mn |
P max |
S max |
Al min |
E215 |
1.0212 |
0.10 |
0.05 |
0.70 |
0.025 |
0.025 |
0.025 |
E235 |
1.0308 |
0.17 |
0.35 |
1.20 |
0.025 |
0.025 |
- |
E355 |
1.0580 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
- |
机械化学性能 Mechanical Properties(Mpa):
Steel grade |
冷拔光亮硬态 BK |
冷拔光亮硬态 BKW |
拉拔光亮 消除应力退火 BKS |
退火 GBK |
正火 NBK |
抗拉强度Rm N/mm min |
伸长率% min |
抗拉强度Rm N/mm min |
伸长率% min |
抗拉强度Rm N/mm min |
屈服强度 ReH N/mm min |
伸长率% min |
抗拉强度Rm N/mm min |
伸长率% min |
抗拉强度Rm N/mm min |
屈服强度 ReH N/mm min |
伸长率% min |
St35 |
480 |
6 |
420 |
10 |
420 |
315 |
14 |
315 |
25 |
340-470 |
235 |
25 |
St45 |
580 |
5 |
520 |
8 |
520 |
375 |
12 |
390 |
21 |
440-570 |
235 |
21 |
St52 |
640 |
4 |
580 |
7 |
580 |
420 |
10 |
490 |
22 |
490-630 |
355 |
22 |
Steel grade |
Minimum values for the delivery condition |
Steel name |
Steel number |
+ C |
+ LC |
+ SR |
+ A |
+ N |
Rm Mpa |
A% |
Rm Mpa |
A% |
Rm Mpa |
ReH Mpa |
A% |
ReH Mpa |
A% |
Rm Mpa |
ReH Mpa |
A% |
E215 |
1.0212 |
430 |
8 |
380 |
12 |
380 |
280 |
16 |
280 |
30 |
290-430 |
215 |
30 |
E235 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
350 |
16 |
315 |
25 |
340-480 |
235 |
25 |
E355 |
1.0580 |
640 |
4 |
580 |
7 |
580 |
450 |
10 |
450 |
22 |
490-630 |
355 |
22 |
|