B639 R30155

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America ASTM B639R30155 高温用沉积硬化钴合金(UNS R30155 and UNS R30816)条材、棒材、锻件和锻造坯料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B639R30155 / B639 R30155

Category	Grade	Standard	Region/Area	Standard Content
Metals	B639 R30155	ASTM B639	America	高温用沉积硬化钴合金(UNS R30155 and UNS R30816)条材、棒材、锻件和锻造坯料

Chemical composition(mass fraction)(wt.%) of the B639 R30155

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade B639 R30155

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)
186 (≥)	987 (≥)	43	33	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	412

Physical Properties of steel grade B639 R30155

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	-	-			0.31	-
935	542	-	21.3	124		-
162	-	43	42.2			214	232

Heat Treatment of steel grade B639 R30155

Heat treated : 1974°C - 1428°C

Technological Curves of steel grade B639 R30155

No Curve

Cross Reference Table (Equivalent Grade) of B639 R30155

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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