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G-X 7 CrNiNb 18 9

Favorite Datasheet

Germany DIN G-X7CrNiNb189 Corrosion resistant steel castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G-X7CrNiNb189 / G-X 7 CrNiNb 18 9
Category Grade Standard Region/Area Standard Content
Metals G-X 7 CrNiNb 18 9 DIN 17445 Germany Corrosion resistant steel castings

Chemical composition(mass fraction)(wt.%) of the G-X 7 CrNiNb 18 9

Element Min Max Similar
Si - 1.5000 -
S - 0.0300 -
P - 0.0400 -
Ni 9.0000 12.0000 -
Nb - 1.0000 -
Mn - 1.5000 -
Cr 18.0000 20.0000 -
C - 0.0700 -

Mechanical Properties of steel grade G-X 7 CrNiNb 18 9

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)
185 (≥) 259 (≥) 22 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade G-X 7 CrNiNb 18 9

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
23 - -     0.32 -  
817 928 - 43.3 121   -  
847 - 24 42.2   433 334

Heat Treatment of steel grade G-X 7 CrNiNb 18 9

Heat treated : 1413°C - 1695°C

Technological Curves of steel grade G-X 7 CrNiNb 18 9

Cross Reference Table (Equivalent Grade) of G-X 7 CrNiNb 18 9

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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