38Cr4Mn2BT

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India IS 38Cr4Mn2BT Steels for cold heading/cold extrusion application Part 1 Wrought carbon and low alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38Cr4Mn2BT / 38Cr4Mn2BT

Category	Grade	Standard	Region/Area	Standard Content
Metals	38Cr4Mn2BT	IS 11169-1	India	Steels for cold heading/cold extrusion application Part 1 Wrought carbon and low alloy steels

Chemical composition(mass fraction)(wt.%) of the 38Cr4Mn2BT

Element	Min	Max	Similar
V	-	0.0500	-
Sn	-	0.0200	-
Si	0.1500	0.3000	-
S	-	0.0350	-
P	-	0.0350	-
Other	-	0.4000	-
Ni	-	0.1500	-
Mo	-	0.0500	-
Mn	0.3000	0.5000	-
Cu	-	0.1500	-
Cr	0.9500	1.1500	-
C	0.3500	0.4000	-
B	0.0005	0.0030	-

Mechanical Properties of steel grade 38Cr4Mn2BT

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)
429 (≥)	573 (≥)	33	11	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	231

Physical Properties of steel grade 38Cr4Mn2BT

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
11	-	-			0.21	-
638	895	-	11.3	141		-
792	-	32	14.2			224	321

Heat Treatment of steel grade 38Cr4Mn2BT

Heat treated : 1811°C - 1544°C

Technological Curves of steel grade 38Cr4Mn2BT

No Curve

Cross Reference Table (Equivalent Grade) of 38Cr4Mn2BT

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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