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A268 Type 443

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America ASTM A268Type443 一般设备用无缝和焊接铁素体与马氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A268Type443 / A268 Type 443
Category Grade Standard Region/Area Standard Content
Metals A268 Type 443 ASTM A268/A268M America 一般设备用无缝和焊接铁素体与马氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A268 Type 443

Element Min Max Similar
Cu 0.9000 1.2500 -
Ni - 0.5000 -
Cr 18.0000 23.0000 -
P - 0.0400 -
S - 0.0300 -
Mn - 1.0000 -
Si - 0.7500 -
C - 0.2000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni - 0.7500 -
Mn - 1.0000 -
Cu 0.9000 1.2500 -
Cr 18.0000 23.0000 -
C - 0.2000 -

Mechanical Properties of steel grade A268 Type 443

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)
463 (≥) 991 (≥) 31 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade A268 Type 443

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 - -     0.32 -  
777 421 - 11.3 422   -  
225 - 34 43.2   434 223

Heat Treatment of steel grade A268 Type 443

Heat treated : 1775°C - 1929°C

Technological Curves of steel grade A268 Type 443

Cross Reference Table (Equivalent Grade) of A268 Type 443

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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