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X7CrNiAl17-7

Favorite Datasheet
1.4542 1.4568
#X7CrNiAl17-7 #1-4568

Description

France AFNOR NF EN 10088-1, NF EN 10088-2, NF EN 10088-3, NF EN 10088-4, NF EN 10088-5, NF EN 10151, NF EN 10270-3, X7CrNiAl17-7 Specialsteel Steel wire for mechanical springs - Part 3: Stainless spring steel wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X7CrNiAl17-7
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X7CrNiAl17-7 Precipitation-Hardening AFNOR France Steel wire for mechanical springs - Part 3: Stainless spring steel wire

Chemical composition(mass fraction)(wt.%) of the X7CrNiAl17-7

C Si Mn P S Cr Mo Ni Al
≤0.09 ≤0.70 ≤1.00 ≤0.040 ≤0.015 16.00 -18.00 ≤ ≥ 6.50 -7.80 0.70 -1.50

Mechanical Properties of steel grade X7CrNiAl17-7

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)
668 (≥) 144 (≥) 23 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade X7CrNiAl17-7

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
22 - -     0.43 -  
774 792 - 33.3 311   -  
236 - 12 24.2   444 113

Heat Treatment of steel grade X7CrNiAl17-7

Heat treated : 1745°C - 1213°C

Technological Curves of steel grade X7CrNiAl17-7

Relevant standard of X7CrNiAl17-7

NF EN 10088-1 Stainless steels - Part 1: List of stainless steels NF-EN-10088-1.pdf
NF EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes NF-EN-10088-2.pdf
NF EN 10088-3 Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes NF-EN-10088-3.pdf
NF EN 10088-4 Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes NF-EN-10088-4.pdf
NF EN 10088-5 Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes NF-EN-10088-5.pdf
NF EN 10151 Stainless steel strip for springs - Technical delivery conditions NF-EN-10151.pdf
NF EN 10270-3 Steel wire for mechanical springs - Part 3: Stainless spring steel wire NF-EN-10270-3.pdf
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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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