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X7CrNiAl17-7

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

Description

UK B.S. BS EN 10088-1, BS EN 10088-2, BS EN 10088-3, BS EN 10088-4, BS EN 10088-5, BS EN 10151, BS 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 B.S. UK 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 Ni Mo Al
≤0.09 ≤0.70 ≤1.00 ≤0.04 ≤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)
248 (≥) 671 (≥) 31 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

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
41 - -     0.31 -  
341 371 - 42.3 142   -  
139 - 43 21.2   441 443

Heat Treatment of steel grade X7CrNiAl17-7

Heat treated : 1344°C - 1419°C

Technological Curves of steel grade X7CrNiAl17-7

Relevant standard of X7CrNiAl17-7

BS EN 10088-1 Stainless steels - Part 1: List of stainless steels BS-EN-10088-1.pdf
BS EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes BS-EN-10088-2.pdf
BS 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 BS-EN-10088-3.pdf
BS EN 10088-4 Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes BS-EN-10088-4.pdf
BS 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 BS-EN-10088-5.pdf
BS EN 10151 Stainless steel strip for springs - Technical delivery conditions BS-EN-10151.pdf
BS EN 10270-3 Steel wire for mechanical springs - Part 3: Stainless spring steel wire BS-EN-10270-3.pdf
1.4542 1.4568
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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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