ER55S-B8

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America ASME ER55S-B8 气体保护电弧焊用低合金钢焊丝和填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER55S-B8 / ER55S-B8

Category	Grade	Standard	Region/Area	Standard Content
Metals	ER55S-B8	ASME SFA-5.28/SFA-5.28M	America	气体保护电弧焊用低合金钢焊丝和填充丝标准

Chemical composition(mass fraction)(wt.%) of the ER55S-B8

Element	Min	Max	Similar
C	-	0.1000	-
Mn	0.4000	0.7000	-
P	-	0.0250	-
S	-	0.0250	-
Si	-	0.5000	-
Ni	-	0.5000	-
Cr	8.0000	10.5000	-
Mo	0.8000	1.2000	-
Cu	-	0.3500	-
Others Total	-	0.5000	-

Mechanical Properties of steel grade ER55S-B8

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)
781 (≥)	171 (≥)	31	13	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	231

Physical Properties of steel grade ER55S-B8

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
42	-	-			0.34	-
629	846	-	24.3	332		-
186	-	42	14.2			214	113

Heat Treatment of steel grade ER55S-B8

Heat treated : 1713°C - 1978°C

Technological Curves of steel grade ER55S-B8

No Curve

Cross Reference Table (Equivalent Grade) of ER55S-B8

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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