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X 7 CrNiAl 17 7

Favorite Datasheet

Germany DIN X7CrNiAl177 Stainless steel wire and strip for springs; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X7CrNiAl177 / X 7 CrNiAl 17 7
Category Grade Standard Region/Area Standard Content
Metals X 7 CrNiAl 17 7 DIN 17224 Germany Stainless steel wire and strip for springs; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the X 7 CrNiAl 17 7

Element Min Max Similar
Si - 0.7000 -
S - 0.0150 -
P - 0.0400 -
Ni 6.5000 7.8000 -
Mn - 1.0000 -
Cr 16.0000 18.0000 -
C - 0.0900 -
Al 0.7000 1.5000 -

Mechanical Properties of steel grade X 7 CrNiAl 17 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)
639 (≥) 983 (≥) 11 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade X 7 CrNiAl 17 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
24 - -     0.12 -  
851 529 - 34.3 443   -  
382 - 14 22.2   434 313

Heat Treatment of steel grade X 7 CrNiAl 17 7

Heat treated : 1841°C - 1379°C

Technological Curves of steel grade X 7 CrNiAl 17 7

Cross Reference Table (Equivalent Grade) of X 7 CrNiAl 17 7

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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