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Pressure Vessel Steels

17 Materials

Steels for elevated-temperature pressure vessels per EN 10028 (P265GH, 16Mo3, 13CrMo4-5)

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10CrMo9-10 (Grade 22 / 2.25Cr1Mo)
Creep-Resistant Pressure Steel
Grade 22 / 2.25Cr1Mo — creep-resistant Cr-Mo steel for service to 600 C. For hydrocracker reactors, reformer piping and …
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
11CrMo9-10 (2.25Cr-1Mo Creep-Resistant)
Creep-Resistant Pressure Vessel Steel
11CrMo9-10 (2.25Cr-1Mo) -- service to 570 C. Standard for high-temperature steam piping and superheater headers in fossi…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
15MnNi6-3 (Cryogenic LPG Vessel Steel)
Pressure Vessel Steel
15MnNi6-3 -- low-Ni fine-grain steel, service to -60 C. For LPG tankers, refrigerated ammonia storage and cryogenic vess…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
16Mo3
Pressure Vessel Steel (Mo-alloyed)
Mo-alloyed pressure vessel steel for service to 530 C. Standard for superheater headers and boiler drums at elevated tem…
Tensile
450–600 MPa
Hardness
— HB
Pressure Vessel Steels View →
16Mo3 (0.3Mo Boiler Steel)
Pressure Vessel Steel
16Mo3 -- basic Mo-alloyed boiler steel between P265GH and the full Cr-Mo grades. Service to 480-500 C. For steam boiler …
Tensile
450–600 MPa
Hardness
— HB
Pressure Vessel Steels View →
P235GH (Basic Boiler and Vessel Steel)
Pressure Vessel Steel
P235GH -- simplest standard PV steel. Re 235 MPa, best weldability (CE~0.30). For low-pressure steam heaters and lightly…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
P250GH (Very Basic Boiler Steel -- Small Vessels)
Pressure Vessel Steel
P250GH -- an even more basic PV grade than P235GH, used for small, low-duty pressure vessels and simple boiler component…
Tensile
360–480 MPa
Hardness
— HB
Pressure Vessel Steels View →
P265GH
Pressure Vessel Steel
Standard non-alloyed steel for pressure vessels and boilers to 450 C. Base plate for heat exchanger fabrication.…
Tensile
410–530 MPa
Hardness
— HB
Pressure Vessel Steels View →
P280GH (Intermediate Boiler Steel)
Pressure Vessel Steel
P280GH -- intermediate PV steel between P265GH and P355GH. Re>=280 MPa. For boiler drums and pressure vessel shells wher…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
P355GH (Pressure Vessel Steel)
Pressure Vessel Steel
P355GH — elevated temperature pressure vessel steel. Max service 400 C. For boilers, pressure vessels and heat exchanger…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
P460NH (High-Strength Normalised PV)
Pressure Vessel Steel
P460NH -- highest-strength normalised PV steel. Re>=460 MPa, service to 450 C. For thick-wall high-pressure chemical rea…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
P460NL1 (High-Strength Pressure Vessel)
Pressure Vessel Steel
P460NL1 -- high-strength normalized pressure vessel steel. Re>=460 MPa. For offshore process vessels, LNG storage and hi…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
SA-387 Grade 11 Cl.2 (1.25Cr-0.5Mo Pipe)
Creep-Resistant Pressure Vessel Steel
SA-387 Grade 11 Cl.2 (1.25Cr-0.5Mo) -- the lowest-alloy Cr-Mo PV steel. Service to 450 C. For oil refinery hydrogen serv…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
SA-508 Gr.3 Cl.1 (Nuclear RPV Steel)
Nuclear Pressure Vessel Steel
SA-508 Grade 3 Cl.1 -- the world standard for PWR nuclear reactor pressure vessels since 1970. Rm 550-725 MPa. Used in v…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
X10CrMoVNb9-1 (P91 / Grade 91)
Creep-Resistant Pressure Steel
P91 / Grade 91 — 9Cr1Mo modified creep steel, service to 650 C. Standard for ultra-supercritical power station main stea…
Tensile
— MPa
Hardness
— HB
Pressure Vessel Steels View →
X10CrMoVNb9-1 (P91 Forged/Cast Fitting Grade)
Creep-Resistant Pressure Vessel Steel
P91-grade forgings and castings for fittings, valve bodies and flanges matching P91 pipe. Same 9Cr-1Mo-V-Nb composition …
Tensile
585–760 MPa
Hardness
— HB
Pressure Vessel Steels View →
X8Ni9-XX (Nickel Steel Weld Consumable Note) / P355NL2 (Low-Temp Fine-Grain PV Steel)
Pressure Vessel Steel
P355NL2 -- fine-grain normalised pressure vessel steel with the deepest standard low-temperature guarantee below the Ni-…
Tensile
490–630 MPa
Hardness
— HB
Pressure Vessel Steels View →