25CrMnNiTiA

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China GJB 25CrMnNiTiA Specification for quality structure steel bars for aviation and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25CrMnNiTiA / 25CrMnNiTiA

Category	Grade	Standard	Region/Area	Standard Content
Metals	25CrMnNiTiA	GJB 1951	China	Specification for quality structure steel bars for aviation

Chemical composition(mass fraction)(wt.%) of the 25CrMnNiTiA

Element	Min	Max	Similar
C	0.2200	0.2900	-
Mn	0.8000	1.2000	-
Si	0.2000	0.5000	-
Cr	1.2000	1.7000	-
Ni	0.9000	1.4000	-
Ti	0.0600	0.1200	-
S	-	0.0250	-
P	-	0.0250	-
Cu	-	0.2500	-
W	-	0.2000	-
Mo	-	0.1500	-
V	-	0.0500	-
C	0.2200	0.2900	-
Mn	0.8000	1.2000	-
Si	0.2000	0.5000	-
Cr	1.2000	1.7000	-
Ni	0.9000	1.4000	-
Ti	0.0600	0.1200	-
S	-	0.0250	-
P	-	0.0250	-
Cu	-	0.2500	-
W	-	0.2000	-
Mo	-	0.1500	-
V	-	0.0500	-

Mechanical Properties of steel grade 25CrMnNiTiA

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)
764 (≥)	764 (≥)	42	43	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade 25CrMnNiTiA

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
42	-	-			0.44	-
832	234	-	34.3	422		-
253	-	33	23.2			322	134

Heat Treatment of steel grade 25CrMnNiTiA

Heat treated : 1627°C - 1176°C

Technological Curves of steel grade 25CrMnNiTiA

No Curve

Cross Reference Table (Equivalent Grade) of 25CrMnNiTiA

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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