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202

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S20161 ASTM 202
#202

Description

USA YB A 213/A 213M (2011) , A 240/A 240M (2012) , A 249/A 249M (2010) , A 276 (2010) , A 314 (2008) , A 473 (2009) , A 959 (2011) , SAE AMS-QQ-S-763B (1998) , SAE J 405 (1998) , 202 Specialsteel Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 202
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 202 Austenite YB USA Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

Chemical composition(mass fraction)(wt.%) of the 202

C Si Mn P S Cr Ni N
≤0.15 ≤1.00 7.50 -10.0 ≤0.06 ≤0.03 17.0 -19.0 4.00 -6.00 ≤0.25

Mechanical Properties of steel grade 202

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)
768 (≥) 826 (≥) 21 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade 202

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
32 - -     0.11 -  
318 297 - 24.3 122   -  
391 - 23 44.2   234 431

Heat Treatment of steel grade 202

Heat treated : 1282°C - 1287°C

Technological Curves of steel grade 202

Cross Reference Table (Equivalent Grade) of 202

Grade Standard Country Application
AISI 202
1.3202
202
S20200
S42020
S42023
S20200
202
S42020
S42023
S20200
S20200
S20200
A633 K12202
UNS K12023
UNS T61202
ASP 2023
UNS J93202
SUS202
DIN 1.3202

Relevant standard of 202

A 213/A 213M (2011) Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes A-213-A-213M--(2011)-.pdf
A 240/A 240M (2012) Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications A-240-A-240M--(2012)--.pdf
A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010)--.pdf
A 276 (2010) Stainless Steel Bars and Shapes A-276--(2010)-.pdf
A 314 (2008) Stainless Steel Billets and Bars for Forging A-314--(2008)-.pdf
A 473 (2009) Stainless Steel Forgings A-473--(2009)-.pdf
A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels A-959--(2011)-.pdf
SAE AMS-QQ-S-763B (1998) Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings SAE-AMS-QQ-S-763B--(1998)--.pdf
SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels SAE-J-405--(1998)-.pdf
S20161 ASTM 202
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