BST625

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Japan DAIDO BST625 锅炉管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BST625 / BST625

Category	Grade	Standard	Region/Area	Standard Content
Metals	BST625	DAIDO BST	Japan	锅炉管

Chemical composition(mass fraction)(wt.%) of the BST625

Element	Min	Max	Similar
Co	-	-	2.0000
Mo	-	-	9.0000
Cr	-	-	22.0000
Si	-	-	0.8000
C	-	-	0.0100

Mechanical Properties of steel grade BST625

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)
578 (≥)	837 (≥)	31	43	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade BST625

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
12	-	-			0.21	-
918	631	-	42.3	113		-
819	-	34	11.2			111	433

Heat Treatment of steel grade BST625

Heat treated : 1791°C - 1892°C

Technological Curves of steel grade BST625

No Curve

Cross Reference Table (Equivalent Grade) of BST625

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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