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A928 Type 255

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America ASTM A928Type255 铁素体/奥氏体(二联)不锈钢管加填料金属焊接的标准规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A928Type255 / A928 Type 255
Category Grade Standard Region/Area Standard Content
Metals A928 Type 255 ASTM A928/A928M America 铁素体/奥氏体(二联)不锈钢管加填料金属焊接的标准规范

Chemical composition(mass fraction)(wt.%) of the A928 Type 255

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 4.5000 6.5000 -
N 0.1000 0.2500 -
Mo 2.9000 3.9000 -
Mn - 1.5000 -
Cu 1.5000 2.5000 -
Cr 24.0000 27.0000 -
C - 0.0400 -

Mechanical Properties of steel grade A928 Type 255

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)
223 (≥) 839 (≥) 14 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade A928 Type 255

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
13 - -     0.44 -  
853 449 - 21.3 124   -  
971 - 21 31.2   232 213

Heat Treatment of steel grade A928 Type 255

Heat treated : 1588°C - 1186°C

Technological Curves of steel grade A928 Type 255

Cross Reference Table (Equivalent Grade) of A928 Type 255

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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