TIÊU CHUẨN THÉP ASTM A285-03

ASTM A285-03 Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength 
Grade Chemical Composition % Tensile Test
C Mn P S Yield Strength Tensile Strength Elongation
ksi(N/mm2) ksi(N/mm2) Test piece in(mm)
Grade A 0.17max 0.90 max 0.035 max 0.035 max 24(165) min 45~65(310~450) GL=8(200) 27 min
   
GL=2(50) 30 min
Grade B 0.22 max 27(185) min 50~70(345~485) GL=8(200) 25 min
   
GL=2(50) 28 min
Grade C 0.28 max 30(205) min 55~75(380~515) GL=8(200) 23 min
   
GL=2(50) 27 min

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