B550TG178

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China 宝钢Q/BQB B550TG178 水轮发电机磁轭、磁极用钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B550TG178 / B550TG178

Category	Grade	Standard	Region/Area	Standard Content
Metals	B550TG178	Q/BQB 484	China	水轮发电机磁轭、磁极用钢板及钢带

Chemical composition(mass fraction)(wt.%) of the B550TG178

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade B550TG178

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)
539 (≥)	644 (≥)	43	32	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade B550TG178

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
22	-	-			0.14	-
528	712	-	44.3	431		-
125	-	43	24.2			143	231

Heat Treatment of steel grade B550TG178

Heat treated : 1754°C - 1181°C

Technological Curves of steel grade B550TG178

No Curve

Cross Reference Table (Equivalent Grade) of B550TG178

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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