Specification :

DIN 2391 ST 35, ST 45, ST 52 in BK and BK+S
ASTM A519 1020, 1020,1045
JIS G3473 STC J70
GB8713-88 10#,20#,35#,45#
DIN 1629 ST 37.0, ST 44.0, ST 52.0
DIN 1630 ST 37.4, ST 44.4, ST 52.4
DIN 17124 STE 460
DIN 17204 C 45
DIN 17210 16MnCr5
EN 10210 S235JRH, S275J0H, S275J2H,S355J0H, S355J2H
ASTM A105 A105
ASTM A519 1020, 1025
NFA 49-311 TU 52-b
NFA 49-312 TU 52-b
SR 404/1 OLT 35, OLT 45, OLT 65
STAS 530/1 OLT 35, OLT 45, OLT 65
ASME SA106 ——Seamless Carbon Steel Pipe for high-temperature service
Grade:10,20,20G,SA106B,SA106C,A106B,A106C
ASTM A106,ASTM A178,ASTM A179,ASTM A192,ASTM A209, ASTM A213, ASTM A210, ASTM A333, ASTM A335
JIS G3461-1988
JIS G3462-1998
DIN 17175-1979
BS3059Part 21990
GB 3087 – 1999, GB 5310 - 1995 , GB 18248 - 2000 YB/T 102 - 2000
BS 3059
EN 10216EN 1021 7
Seamless tubes for manufacture of high pressure steam boilers and pipe lines,etc
Commonly used typical steel grade20G,12CrMoG,20MnG,25MoG,20MoG,15CrMoG,12Cr2MoG,12Cr1MoVG,12Cr2MoWVTiB,1 0Cr9Mo1VNb

OD
W/T

inch
mm
inch
mm

0.405
10.29
0.095
2.4

0.54
13.72
0.088 -0.119
2.2-3.0

0.675
17.15
0.091-0.126
2.3-3.2

1/2
21.34
0.109-0.147
2.8-3 .7

1
26.67
0.113-0.154
2.9-3.9

1-1/4
33.4
0.133-0.179
3.4-4.6

1-3/4
42.2
0.145-0.382
3.7-9.7

1-1/2
48.3
0.145-0.400
3.7-10.2

2 3/8
60.3
0.109-0.436
2.8-11

2 7/8
73
0.109-0.552
2.8-14

3 1/2
88.9
0.141-0.600
3.6-15.2

4
101.6
0.156-0.318
4-8.1

4 1/2
114.3
0.156-0.674
4-17.1

5 9/16
141.3
0.156-0.750
4-19.1

6 5/8
168.3
0.188-0.875
4.8-22.2

8 5/8
219.1
0.250-1.000
6.4-25.4

10 3/4
273.1
0.250-1.25
6.4-31.8

12 3/4
323.9
0.330-1.250
8.4-31.8