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SA-268 TP XM-8

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America ASME SA-268TPXM-8 般用途无缝和焊接铁素体和马氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-268TPXM-8 / SA-268 TP XM-8
Category Grade Standard Region/Area Standard Content
Metals SA-268 TP XM-8 ASME SA-268/SA-268M America 般用途无缝和焊接铁素体和马氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the SA-268 TP XM-8

Element Min Max Similar
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni - 0.5000 -
Mn - 1.0000 -
Cr 17.0000 19.0000 -
C - 0.0700 -
Al - 0.1500 -

Mechanical Properties of steel grade SA-268 TP XM-8

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)
738 (≥) 984 (≥) 22 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade SA-268 TP XM-8

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
33 - -     0.32 -  
895 893 - 13.3 144   -  
878 - 31 13.2   333 121

Heat Treatment of steel grade SA-268 TP XM-8

Heat treated : 1357°C - 1796°C

Technological Curves of steel grade SA-268 TP XM-8

Cross Reference Table (Equivalent Grade) of SA-268 TP XM-8

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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