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A268 26-3-3

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America ASTM A26826-3-3 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: A26826-3-3 / A268 26-3-3
Category Grade Standard Region/Area Standard Content
Metals A268 26-3-3 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 26-3-3

Element Min Max Similar
Ti+Cb 0.2000 1.0000 -
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 1.0000 3.5000 -
N - 0.0400 -
Mo 3.0000 4.0000 -
Mn - 1.0000 -
Cr 25.0000 28.0000 -
C - 0.0300 -

Mechanical Properties of steel grade A268 26-3-3

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)
442 (≥) 182 (≥) 41 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade A268 26-3-3

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
12 - -     0.11 -  
527 117 - 31.3 314   -  
355 - 44 12.2   213 244

Heat Treatment of steel grade A268 26-3-3

Heat treated : 1756°C - 1669°C

Technological Curves of steel grade A268 26-3-3

Cross Reference Table (Equivalent Grade) of A268 26-3-3

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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