X 2 CrNiMoN 25 7 4

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France AFNOR NF X2CrNiMoN2574 Flat products made of steels for pressure purposes - part 7: stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X2CrNiMoN2574 / X 2 CrNiMoN 25 7 4

Category	Grade	Standard	Region/Area	Standard Content
Metals	X 2 CrNiMoN 25 7 4	NF EN 10028-7	France	Flat products made of steels for pressure purposes - part 7: stainless steels

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

Element	Min	Max	Similar
Si	-	1.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2400	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2400	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2400	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2000	0.3500	-
Mo	3.5000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2400	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2400	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0350	-
Ni	6.0000	8.0000	-
N	0.2400	0.3500	-
Mo	3.0000	4.5000	-
Mn	-	2.0000	-
Cr	24.0000	26.0000	-
C	-	0.0300	-

Mechanical Properties of steel grade X 2 CrNiMoN 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)
718 (≥)	445 (≥)	14	32	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade X 2 CrNiMoN 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
23	-	-			0.32	-
568	248	-	41.3	144		-
981	-	14	12.2			132	443

Heat Treatment of steel grade X 2 CrNiMoN 25 7 4

Heat treated : 1188°C - 1794°C

Technological Curves of steel grade X 2 CrNiMoN 25 7 4

No Curve

Cross Reference Table (Equivalent Grade) of X 2 CrNiMoN 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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