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What is the different of X20CrMoV11-1 1.4922 AND X10CrMoVNb9-1 (T/P91) 1.4903

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What is the different of X20CrMoV11-1 1.4922 AND X10CrMoVNb9-1 (T/P91) 1.4903

Alloy or not : Is Alloy

Surface treatment : Varnished,black painted,PE coated

Application : Structure Pipe,Boiler Pipe,Fluid Pipe,Drill Pipe,Oil Pipe

Outer diameter(round) : 6 - 2400 mm

Product name : High quality steel hollow pipe

Type : Seamless Round Steel Pipe,boiler tube,Seamless

Usage : Transportation oil and water

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What is the different of X20CrMoV11-1 1.4922 AND X10CrMoVNb9-1 (T/P91) 1.4903


Chemical composition in mass-%
MaterialCSiMnCrNiMoVWNbOther

Martensitic steels

(9 - 12 % Cr steels)

X20CrMoV11-1

1.4922 Chemical composition

0.17 - 0.230.15 - 0.50< 1.010.0 - 12.50.30 - 0.800.80 - 1.200.25 - 0.35----------

X10CrMoVNb9-1

(T/P91)

1.4903 Chemical composition

0.08 - 0.120.20 - 0.500.30 - 0.608.0 - 9.5< 0.400.85 - 1.050.18 - 0.250.06 - 0.10N 0.03 - 0.07

X10CrWMoVNb9-2

(T/P92) 1.4901 Chemical composition

0.07 - 0.13< 0.500.30 - 0.608.5 - 9.5< 0.400.30 - 0.600.15 - 0.251.5 - 2.00.04 - 0.09

N 0.03 - 0.07

B 0.001 - 0.006

VM12-SHC Chemical composition​0.10 - 0.140.40 - 0.600.15 - 0.4511.0 - 12.00.10 - 0.400.20 - 0.400.20 - 0.301.30 - 1.700.03 - 0.08

Co 1.4 - 1.8

N 0.030 - 0.070

B 0.0030 - 0.0060

Al < 0.020


Chemical composition of steel VM12-SHC compared to other 9 - 12 % Cr steels



Mechanical properties of VM12-SHC, X20CrMoV11-1 ,1.4922 , X10CrMoVNb9-1 ,(T/P91) ,1.4903


Heat treated

condition

Yield strength

Rp0.2 (MPa)

Tensile strength

Rm (MPa)

Elongation A5 (%)

Impact energy

(J)

long.transv.transverse

quenched and

tempered

≥ 450620 - 850≥ 19≥ 19≥ 27



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What is the different of X20CrMoV11-1 1.4922 AND X10CrMoVNb9-1 (T/P91) 1.4903 Images

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