B320LR

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China GB B320LR 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B320LR / B320LR

Category	Grade	Standard	Region/Area	Standard Content
Metals	B320LR	GB/T 29713	China	不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the B320LR

Element	Min	Max	Similar
C	-	0.0250	-
Si	-	0.1500	-
Mn	1.5000	2.0000	-
P	-	0.0150	-
S	-	0.0200	-
Cr	19.0000	21.0000	-
Ni	32.0000	36.0000	-
Mo	2.0000	3.0000	-
Cu	3.0000	4.0000	-
Nb	-	0.4000	-

Mechanical Properties of steel grade B320LR

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)
585 (≥)	865 (≥)	32	22	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	234

Physical Properties of steel grade B320LR

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
33	-	-			0.23	-
934	122	-	31.3	112		-
694	-	21	32.2			111	443

Heat Treatment of steel grade B320LR

Heat treated : 1679°C - 1874°C

Technological Curves of steel grade B320LR

No Curve

Cross Reference Table (Equivalent Grade) of B320LR

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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