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SA387Gr11CL1,SA387Gr.11Cl.1,SA387 Gr 11 CL 1,SA387 Gr.11 CL.1 steel Plate
Gangsteel mill produced super thickness plate for ASME SA387 Gr 11 CL 1 is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 1.25% and the Mo content 0.5%.
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
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SA387 Gr.11 CL.1Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Cr |
Mo |
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SA387 Gr.11 Cl.1 |
0.04-0.17 |
0.44-0.86 |
0.35-0.73 |
0.035 |
0.035 |
0.94-1.56 |
0.40-0.70 |
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Grade |
SA387 Gr.11 CL.1Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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SA387 Gr.11 Cl.1 |
mm |
Min Mpa |
Mpa |
Min % |
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t≦50 |
240 |
415-585 |
22 |
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50<t≦200 |
240 |
415-585 |
19 |
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Equivalent steel grade of SA387 Gr.11 Cl.1 |
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Europe |
Belgium |
Germany |
France |
Italy |
Sweden |
India |
Japan |
U.K |
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621 gr. A,B |
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