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SA387Gr21LCl1,SA387Gr.21L CL.1,SA387 Gr 21L CL 1 Steel PLATE
Gangsteel mill produced super thickness plate for ASME SA387 Gr 21L 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 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
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SA387 Gr.21L 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.21L Cl.1 |
0.12 |
0.50 |
0.25-0.66 |
0.035 |
0.035 |
2.63-3.37 |
0.85-1.15 |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
SA387 Gr.21L CL.1Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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SA387 Gr.21L Cl.1 |
mm |
Min Mpa |
Mpa |
Min % |
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t≦50 |
205 |
415-585 |
18 |
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50<t≦200 |
- |
- |
- |
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Equivalent steel grade of SA387 Gr.21L Cl.1 |
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Europe |
Belgium |
Germany |
France |
Italy |
Sweden |
India |
Japan |
U.K |
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If you have any inquiry for SA387 STEEL PLATE, Please feel free to contact us by email
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