A645 Grade A

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America ASTM A645GradeA 压力容器用经特殊热处理的5%镍合金钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A645GradeA / A645 Grade A

Category	Grade	Standard	Region/Area	Standard Content
Metals	A645 Grade A	ASTM A645/A645M	America	压力容器用经特殊热处理的5%镍合金钢板

Chemical composition(mass fraction)(wt.%) of the A645 Grade A

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade A645 Grade A

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)
494 (≥)	361 (≥)	34	41	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	234

Physical Properties of steel grade A645 Grade A

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	-	-			0.14	-
989	244	-	43.3	131		-
265	-	31	44.2			131	434

Heat Treatment of steel grade A645 Grade A

Heat treated : 1169°C - 1772°C

Technological Curves of steel grade A645 Grade A

No Curve

Cross Reference Table (Equivalent Grade) of A645 Grade A

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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