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T550

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International ISO T550 冷成型黑钢板生产马口铁钢卷或电解铬/氧化铬涂层钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T550 / T550
Category Grade Standard Region/Area Standard Content
Metals T550 ISO 11951 International 冷成型黑钢板生产马口铁钢卷或电解铬/氧化铬涂层钢板

Chemical composition(mass fraction)(wt.%) of the T550

Element Min Max Similar

Mechanical Properties of steel grade T550

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
245 (≥) 299 (≥) 11 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade T550

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
31 - -     0.12 -  
985 918 - 11.3 111   -  
326 - 13 12.2   114 232

Heat Treatment of steel grade T550

Heat treated : 1786°C - 1544°C

Technological Curves of steel grade T550

Cross Reference Table (Equivalent Grade) of T550

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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