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T74000

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America UNS T74000 高速削切表面用铬钢固体焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T74000 / T74000
Category Grade Standard Region/Area Standard Content
Metals T74000 -- America 高速削切表面用铬钢固体焊条

Chemical composition(mass fraction)(wt.%) of the T74000

Element Min Max Similar
Si - 1.0000 -
Mo - 1.5000 -
Mn 0.5000 2.0000 -
Fe - - -
Cr 0.5000 3.5000 -
C 0.2500 0.5000 -

Mechanical Properties of steel grade T74000

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)
424 (≥) 257 (≥) 21 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade T74000

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
24 - -     0.44 -  
579 228 - 11.3 311   -  
754 - 24 42.2   332 442

Heat Treatment of steel grade T74000

Heat treated : 1571°C - 1469°C

Technological Curves of steel grade T74000

Cross Reference Table (Equivalent Grade) of T74000

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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