X 2 CrNiMoCuWN 25 7 4

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France AFNOR NF X2CrNiMoCuWN2574 stainless steels - part 2: technical delivery conditions for sheet/plate and strip for general purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X2CrNiMoCuWN2574 / X 2 CrNiMoCuWN 25 7 4

Category	Grade	Standard	Region/Area	Standard Content
Metals	X 2 CrNiMoCuWN 25 7 4	NF EN 10088-2	France	stainless steels - part 2: technical delivery conditions for sheet/plate and strip for general purposes

Chemical composition(mass fraction)(wt.%) of the X 2 CrNiMoCuWN 25 7 4

Element	Min	Max	Similar
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
V	0.2000	0.3000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
V	0.2000	0.3000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
W	0.5000	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3000	-
Mo	3.0000	4.0000	-
Mn	-	1.0000	-
Cu	0.5000	1.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-

Mechanical Properties of steel grade X 2 CrNiMoCuWN 25 7 4

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)
486 (≥)	684 (≥)	33	44	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	312

Physical Properties of steel grade X 2 CrNiMoCuWN 25 7 4

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
14	-	-			0.42	-
184	586	-	21.3	323		-
366	-	23	32.2			231	233

Heat Treatment of steel grade X 2 CrNiMoCuWN 25 7 4

Heat treated : 1143°C - 1212°C

Technological Curves of steel grade X 2 CrNiMoCuWN 25 7 4

No Curve

Cross Reference Table (Equivalent Grade) of X 2 CrNiMoCuWN 25 7 4

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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