Grades Overview

Vallourec offers seamless steel tubes and pipes for conventional and nuclear power plant applications in a broad spectrum of materials, from carbon steels for lower operating temperatures to low- and high-alloy ferritic steels for higher ones. The table below lists the most common steel grades for the power generation sector by specification and service temperature.

 

​Comparison of materials 1)
​Service tempera-ture ​United States ​​Germany ​Europe ​Japan
ASTM / ASME ​DIN EN ​​JIS
​A/SA 106 ​A/SA 192 ​A/SA 209 ​A/SA 210 ​A/SA 213
A/SA 335
​17 175 ​VdTÜV material data sheet ​10216-2 ​3461
3462
​3456
3458
​300 °C
580 °F
Gr. A ​low-carbon ​St35.8 ​P235GH ​STB340 STPT370
​​ ​Gr. B ​Gr. A1 ​St45.8 ​P265GH ​STB410 STPT410
​Gr. C ​Gr. C ​17Mn4 ​STB510 STPT480
​19Mn5 2) ​20MnNb6 2)
​15Mo3 16Mo3
T1/T1A​ ​P1 16Mo5 ​8MoB5-4 2) ​STBA12 ​STPA12
​T36/P36 ​15NiCuMoNb
5-6-4 (WB36)
​15NiCuMoNb
5-6-4 (WB36)
T2/P2 ​STBA20 ​STPA20
T11/P11 ​10CrMo5-5 ​STBA23 ​STPA23
T12/P12 ​13CrMo4 4 ​13CrMo4-5 ​STBA22 ​STPA22
​T22/P22 ​ 10CrMo9-10 ​10CrMo9-10 ​STBA24 ​STPA24
​ 14MoV6-3 3) 14MoV6-3 3)
T24 ​7CrMoVTiB
10-10
7CrMoVTiB
10-10
T23/P23 7CrWVMoNb
9-6
STBA24J1 STPA24J1
​T9/P9 ​X12CrMo9-1 ​X11CrMo9-1 STBA26 STPA26
T91/P91 ​X10CrMoVNb
9-1
X10CrMoVNb
9-1
​STBA28 STPA28
​X20CrMoV
12-1
X20​CrMoV
11-1 3)
VM12-SHC X12CrCoWMoVNb
12-2-2
VM12-SHC4)
​T911/
P911
X11CrMoWV
Nb911 (E911)
X11CrMoWVNb
9-1-1
​625 °C
1155 °F
​T92/P92 ​X10CrWMoVNb
9-2
X10CrWMoVNb
9-2
​STBA29 STPA29

 

1) Materials according to other national standards upon request
2) Upon request
3) Only for pipes > 7" and under special request
4) Alternative for tubes < 7" according to VdTÜV data sheet 560/2