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A803 Grade 26-3-3

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America ASTM A803Grade26-3-3 焊接铁素体不锈钢给水加热器管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A803Grade26-3-3 / A803 Grade 26-3-3
Category Grade Standard Region/Area Standard Content
Metals A803 Grade 26-3-3 ASTM A803/A803M America 焊接铁素体不锈钢给水加热器管

Chemical composition(mass fraction)(wt.%) of the A803 Grade 26-3-3

Element Min Max Similar
Ti+Cb 0.2000 1.0000 -
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 A803 Grade 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)
311 (≥) 824 (≥) 44 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade A803 Grade 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
41 - -     0.41 -  
612 138 - 13.3 141   -  
767 - 13 12.2   312 332

Heat Treatment of steel grade A803 Grade 26-3-3

Heat treated : 1142°C - 1596°C

Technological Curves of steel grade A803 Grade 26-3-3

Cross Reference Table (Equivalent Grade) of A803 Grade 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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