GX 2 CrNiMoCuN 25 6 3 3

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France AFNOR NF GX2CrNiMoCuN25633 Corrosion resistant steel castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GX2CrNiMoCuN25633 / GX 2 CrNiMoCuN 25 6 3 3

Category	Grade	Standard	Region/Area	Standard Content
Metals	GX 2 CrNiMoCuN 25 6 3 3	NF EN 10283	France	Corrosion resistant steel castings

Chemical composition(mass fraction)(wt.%) of the GX 2 CrNiMoCuN 25 6 3 3

Element	Min	Max	Similar
Si	-	1.0000	-
S	-	0.0250	-
P	-	0.0350	-
Ni	5.0000	7.0000	-
N	0.1200	0.2200	-
Mo	2.5000	3.5000	-
Mn	-	1.5000	-
Cu	2.7500	3.5000	-
Cr	24.5000	26.5000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0250	-
P	-	0.0350	-
Ni	5.0000	7.0000	-
N	0.1200	0.2200	-
Mo	2.5000	3.5000	-
Mn	-	1.5000	-
Cu	2.7500	3.5000	-
Cr	24.5000	26.5000	-
C	-	0.0300	-

Mechanical Properties of steel grade GX 2 CrNiMoCuN 25 6 3 3

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
897 (≥)	366 (≥)	21	42	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade GX 2 CrNiMoCuN 25 6 3 3

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	-	-			0.22	-
368	147	-	32.3	214		-
976	-	14	43.2			424	212

Heat Treatment of steel grade GX 2 CrNiMoCuN 25 6 3 3

Heat treated : 1189°C - 1689°C

Technological Curves of steel grade GX 2 CrNiMoCuN 25 6 3 3

No Curve

Cross Reference Table (Equivalent Grade) of GX 2 CrNiMoCuN 25 6 3 3

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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