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A270 Type 304

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America ASTM A270Type304 卫生设施用无缝钢和焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A270Type304 / A270 Type 304
Category Grade Standard Region/Area Standard Content
Metals A270 Type 304 ASTM A270/A270M America 卫生设施用无缝钢和焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A270 Type 304

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 8.0000 11.0000 -
Mn - 2.0000 -
Cr 18.0000 20.0000 -
C - 0.0800 -

Mechanical Properties of steel grade A270 Type 304

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)
783 (≥) 732 (≥) 14 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade A270 Type 304

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
41 - -     0.24 -  
221 273 - 14.3 113   -  
541 - 24 12.2   333 222

Heat Treatment of steel grade A270 Type 304

Heat treated : 1446°C - 1751°C

Technological Curves of steel grade A270 Type 304

Cross Reference Table (Equivalent Grade) of A270 Type 304

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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