Main Material:30CrMo、37Mn、34CrMo4、35CrMo
Standard:GB18248-2008
International Standard:JIS G 3429、ASTM 519、EN 10297-1、EN 10083、DIN 17204、GOST4543-71
Size range:
O.D.Φ60~210mm;W.T.2.4~5.0mm;
O.D.Φ210~356mm;W.T.4.5~7.0mm;
O.D.Φ370~457mm;W.T.5.5~25mm;
O.D.Φ480~730 mm;W.T.8.0~30.0mm
Part of size list :
1
φ90*2.6
2
φ105*3
3
φ108*2.8
4
φ108*2.8
5
φ116*3
6
φ114*3.4
7
φ125*4.0
8
φ133*3.5
9
φ140*3.1
10
φ140*3.8
11
φ178*4.0
12
φ178*4.2
13
φ178*4.6
14
φ178*4.8
15
φ178*4.8
16
φ189*4.8
17
φ197*4.2
18
φ203*5.0
19
φ204*4.7
20
φ325*6.7
21
φ330*5.0
22
φ406*6.5
23
φ406*9.6
24
φ406*10
cold drawn seamless tubes used for Vehicle gas cylinder:
Number
O.D.*W.T.
1
φ279*4.7
2
φ300*4.4
3
φ325*4.6
4
φ325*5.0
5
φ356*4.8
6
φ356*5.0
7
φ356*5.3
8
φ356*6.8
9
φ406*5.6
10
φ406*5.9
11
φ406*6.2
12
φ406*7.3
13
φ406*7.8
14
φ457*7.5
cold drawn seamless tubes used for long tube trailer: