18Cr2Mo

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India IS 18Cr2Mo Specification for steel tubes for steel exchangers. Part 4: Seamless alloy steel tubes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 18Cr2Mo / 18Cr2Mo

Category	Grade	Standard	Region/Area	Standard Content
Metals	18Cr2Mo	IS 11714-4	India	Specification for steel tubes for steel exchangers. Part 4: Seamless alloy steel tubes

Chemical composition(mass fraction)(wt.%) of the 18Cr2Mo

Element	Min	Max	Similar
Si	-	1.0000	-
S	-	0.0300	-
P	-	0.0400	-
Mo	1.7500	2.5000	-
Mn	-	1.0000	-
Cr	17.5000	19.5000	-
C	-	0.0250	-

Mechanical Properties of steel grade 18Cr2Mo

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)
817 (≥)	768 (≥)	42	41	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	323

Physical Properties of steel grade 18Cr2Mo

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
24	-	-			0.32	-
476	461	-	14.3	323		-
226	-	43	13.2			342	111

Heat Treatment of steel grade 18Cr2Mo

Heat treated : 1642°C - 1925°C

Technological Curves of steel grade 18Cr2Mo

No Curve

Cross Reference Table (Equivalent Grade) of 18Cr2Mo

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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