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X7CrNiMoB17-12

Favorite Datasheet
X7CrNiMo17-12 X6CrNiMoTi17-12
#X7CrNiMoB17-12

Description

International ISO ISO 9327-5, ISO 9328-5, ISO 9329-4, ISO 9330-6, X7CrNiMoB17-12 Specialsteel Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X7CrNiMoB17-12
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X7CrNiMoB17-12 Austenite ISO International Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes

Chemical composition(mass fraction)(wt.%) of the X7CrNiMoB17-12

C Si Mn P S Cr Mo Ni B
0.04 -0.10 ≤1.00 ≤2.00 ≤0.040 ≤0.030 16.50 -18.50 10.50 -13.50 2.00 -2.50 0.001 -0.005

Mechanical Properties of steel grade X7CrNiMoB17-12

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
586 (≥) 131 (≥) 31 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade X7CrNiMoB17-12

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
34 - -     0.44 -  
912 746 - 24.3 144   -  
591 - 33 33.2   332 113

Heat Treatment of steel grade X7CrNiMoB17-12

Heat treated : 1893°C - 1665°C

Technological Curves of steel grade X7CrNiMoB17-12

Relevant standard of X7CrNiMoB17-12

ISO 9327-5 Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels ISO-9327-5.pdf
ISO 9328-5 Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled ISO-9328-5.pdf
ISO 9329-4 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels ISO-9329-4.pdf
ISO 9330-6 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes ISO-9330-6.pdf
X7CrNiMo17-12 X6CrNiMoTi17-12
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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