1.4938

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EU EN 1.4938 steels and nickel alloys for fasteners with specified elevated and/or low temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.4938 / 1.4938

Category	Grade	Standard	Region/Area	Standard Content
Metals	1.4938	EN 10269	EU	steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(mass fraction)(wt.%) of the 1.4938

Element	Min	Max	Similar
C	0.0800	0.1500	-
Mn	0.4000	0.9000	-
P	-	0.0250	-
S	-	0.0150	-
Si	-	0.5000	-
Ni	2.0000	3.0000	-
Cr	11.0000	12.5000	-
Mo	1.5000	2.0000	-
V	0.2500	0.4000	-
N	0.0200	0.0400	-
C	0.0800	0.1500	-
Mn	0.4000	0.9000	-
P	-	0.0250	-
S	-	0.0150	-
Si	-	0.5000	-
Ni	2.0000	3.0000	-
Cr	11.0000	12.5000	-
Mo	1.5000	2.0000	-
V	0.2500	0.4000	-
N	0.0200	0.0400	-
V	0.2500	0.4000	-
Si	-	0.5000	-
S	-	0.0150	-
P	-	0.0250	-
Ni	2.0000	3.0000	-
N	0.0200	0.0400	-
Mo	1.5000	2.0000	-
Mn	0.4000	0.9000	-
Cr	11.0000	12.5000	-
C	0.0800	0.1500	-

Mechanical Properties of steel grade 1.4938

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)
421 (≥)	224 (≥)	42	43	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	243

Physical Properties of steel grade 1.4938

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
21	-	-			0.44	-
629	952	-	41.3	132		-
168	-	31	32.2			434	133

Heat Treatment of steel grade 1.4938

Heat treated : 1566°C - 1899°C

Technological Curves of steel grade 1.4938

No Curve

Cross Reference Table (Equivalent Grade) of 1.4938

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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