Seamless steel tube
Outdiameter:10---812.2mm(2/5”—32’’)
Wall thickness: 1.0—200mm(1/25”—8”)
Grade: 4140, 5140, 4130
Seamless Steel Tube
Outdiameter:10---812.2mm(2/5”—32’’)
Wall thickness: 1.0—200mm(1/25”—8”)
STANDARD
GRADE
ASTM A53/A106
Gr.A/B
ASTM A519
4140, 8720, 4130
ASTM A213
T5/T9/T11/T22
ASTM A335
T5/T9/T11/T22
DIN1629
ST35/ST45/ST52
DIN2448
ST37.2/ST37.4/ST52
EN
S235, S355
DIN17175
ST35.8/ST45.8
GB
42CrMo, 40CrNiMo
30CrMnSi, 20CrMnTi
WT
1
2
3
4
5
6
7
8
9
10
12
14
16
18
20
22
24
25
27
28
30
32
35
38
≥40
10
18
25
32
42
51
57
68
70
73
76
89
95
102
108
114
127
133
152
159
168
180
194
203
219
232
254
273
299
330
351
377
406
450
508
610
≥ 610
OD
