B774 281

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America ASTM B774281 低熔点金属 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B774281 / B774 281

Category	Grade	Standard	Region/Area	Standard Content
Metals	B774 281	ASTM B774	America	低熔点金属

Chemical composition(mass fraction)(wt.%) of the B774 281

Element	Min	Max	Similar
Zn	-	0.0800	-
Sn	41.5000	42.5000	-
Sb	-	0.1000	-
Pb	-	0.0500	-
In	-	0.0080	-
Cu	-	0.0800	-
Cd	-	0.0050	-
Bi	57.5000	58.5000	-
Ag	-	0.0100	-

Mechanical Properties of steel grade B774 281

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)
676 (≥)	747 (≥)	42	13	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade B774 281

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
43	-	-			0.13	-
488	349	-	43.3	243		-
795	-	31	33.2			223	343

Heat Treatment of steel grade B774 281

Heat treated : 1555°C - 1159°C

Technological Curves of steel grade B774 281

No Curve

Cross Reference Table (Equivalent Grade) of B774 281

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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