T74002

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America UNS T74002 高速削切表面用铬钢固体焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T74002 / T74002

Category	Grade	Standard	Region/Area	Standard Content
Metals	T74002	--	America	高速削切表面用铬钢固体焊条

Chemical composition(mass fraction)(wt.%) of the T74002

Element	Min	Max	Similar
V	-	0.3500	-
Si	-	1.0000	-
Ni	-	1.0000	-
Mo	-	1.0000	-
Mn	0.5000	2.0000	-
Fe	-	-	-
Cr	1.8000	3.8000	-
C	0.1000	0.3000	-

Mechanical Properties of steel grade T74002

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)
992 (≥)	878 (≥)	32	34	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	412

Physical Properties of steel grade T74002

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
22	-	-			0.31	-
341	473	-	21.3	413		-
613	-	13	13.2			332	433

Heat Treatment of steel grade T74002

Heat treated : 1999°C - 1682°C

Technological Curves of steel grade T74002

No Curve

Cross Reference Table (Equivalent Grade) of T74002

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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Rfq.: sales@longhaisteel.com

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