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STBA 20

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Japan JIS STBA20 锅炉和热交换器用合金钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STBA20 / STBA 20
Category Grade Standard Region/Area Standard Content
Metals STBA 20 JIS G3462 Japan 锅炉和热交换器用合金钢管

Chemical composition(mass fraction)(wt.%) of the STBA 20

Element Min Max Similar

Mechanical Properties of steel grade STBA 20

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)
648 (≥) 566 (≥) 31 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade STBA 20

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
34 - -     0.44 -  
248 748 - 13.3 143   -  
856 - 14 33.2   414 422

Heat Treatment of steel grade STBA 20

Heat treated : 1571°C - 1591°C

Technological Curves of steel grade STBA 20

Cross Reference Table (Equivalent Grade) of STBA 20

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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