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X7CrNiAl32-21

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X8NiCrAlTi32-21 X3CrNiMo18-16-4
#X7CrNiAl32-21

Description

International ISO ISO 15510 (2010), ISO 16143-3 (2005), ISO 4955 (2005), ISO 9328-5, ISO 9328-7 (2011), X7CrNiAl32-21 Specialsteel Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X7CrNiAl32-21
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X7CrNiAl32-21 Austenite ISO International Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels

Chemical composition(mass fraction)(wt.%) of the X7CrNiAl32-21

C Si Mn P S Cr Mo Ni Al Ti Cu
≤0.10 ≤1.00 ≤2.00 ≤0.030 ≤0.020 19.00 -23.00 ≤ ≥ 30.00 -35.00 0.15 -0.60 0.15 -0.60 ≤0.75

Mechanical Properties of steel grade X7CrNiAl32-21

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)
966 (≥) 928 (≥) 11 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade X7CrNiAl32-21

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
31 - -     0.32 -  
495 927 - 33.3 144   -  
982 - 22 13.2   434 243

Heat Treatment of steel grade X7CrNiAl32-21

Heat treated : 1796°C - 1321°C

Technological Curves of steel grade X7CrNiAl32-21

Relevant standard of X7CrNiAl32-21

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 16143-3 (2005) Stainless steels for general purposes -- Part 3: Wire ISO-16143-3-(2005).pdf
ISO 4955 (2005) Heat-resistant steels ISO-4955-(2005).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 9328-7 (2011) Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels ISO-9328-7-(2011).pdf
X8NiCrAlTi32-21 X3CrNiMo18-16-4
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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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