A320 L7A

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America ASTM A320L7A 低温用合金钢螺栓材料规格 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A320L7A / A320 L7A

Category	Grade	Standard	Region/Area	Standard Content
Metals	A320 L7A	ASTM A320/A320M	America	低温用合金钢螺栓材料规格

Chemical composition(mass fraction)(wt.%) of the A320 L7A

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade A320 L7A

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)
787 (≥)	922 (≥)	23	22	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade A320 L7A

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
23	-	-			0.44	-
573	921	-	41.3	211		-
869	-	33	23.2			244	434

Heat Treatment of steel grade A320 L7A

Heat treated : 1325°C - 1687°C

Technological Curves of steel grade A320 L7A

No Curve

Cross Reference Table (Equivalent Grade) of A320 L7A

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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