SA387Gr21CL2,SA387Gr.21CL.2,SA387 Gr 21 CL 2,SA387 Gr.21 CL.

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SA387Gr21CL2,SA387Gr.21CL.2,SA387 Gr 21 CL 2,SA387 Gr.21 CL.2 steel plate
 
Unitedsteel mill produced super thickness plate for ASME SA387 Gr 21 CL 2 is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 3.00 % and the Mo content 1.00 %.
Each grade except grade 21L, Grade 22L, Grade 91 and Grade 911 is available in two classes of tensile strength levels. Grade 91 and Grade 911 are available only as Class 2.
 
Supplementary Technology:   HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2 | S3 | S4
S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17
 
SA387 Gr.21 CL.2 Chemical Composition
Grade The Element Max (%)
C Si Mn P S Cr Mo
SA387 Gr.21 Cl.2 0.04-0.15 0.50 0.25-0.66 0.035 0.035 2.63-3.37 0.85-1.15
 
Grade SA387 Gr.12 CL.2 Mechanical Property
Thickness Yield Tensile Elongation
SA387 Gr.21 Cl.2 mm Min Mpa Mpa Min  %
t≦50 310 515-690 18
50<t≦200 - - -
 
 
Equivalent steel grade of SA387 Gr.21 Cl.2
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If you have any inquiry for SA387 STEEL PLATE, Please feel free to contact us by email sales@unitedsteelplate.com