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Gangsteel is specialized in ASTM A387 Gr.21 Cl.2, A387 Gr.12 Cl.2, A387 Gr.22 Cl.1, A387 Gr.21L Cl.1, A387 Gr.91 Cl.2 super thick steel plate.
Supply ASTM A387 Gr.21 Cl.2 steel plate
Gangsteel could supply steel grade ASTM A387 Gr.21 Cl.2, A387 Gr.12 Cl.2, A387 Gr.22 Cl.1, A387 Gr.21L Cl.1, A387 Gr.91 Cl.2.
ASTM A387 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 | S4.1
S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17
S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17
The dimension our mill could supply:
Thickness: 6mm to 300mm
Width: 1000mm to 4050mm
Length: 3000mm to 18000mm
Gangsteel could supply super thick steel plate from 100mm to 300mm, which has certified by TUV, SGS, CE and nine Classification Societies: ABS, DNV, LR, GL, BV, KR, RINA, CCS, NK.
At competitive price, better quality, faster delivery and better service in supply of steel plate in China.
Gangsteel has a strong relationship with our mill. We can supply ASTM A387 Gr.21 Cl.2 material directly at our mill cost price from sales department. Each plate has the Mill Certificate Test EN 10204 3.1/3.2 Version.
The Chemical is max composition of product analysis:
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A387 Gr.21 CL.2 Chemical Composition
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Grade
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The Element Max (%)
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C
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Si
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Mn
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P
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S
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Cr
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Mo
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A387 Gr.21 Cl.2
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0.04-0.15
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0.50
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0.25-0.66
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0.035
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0.035
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2.63-3.37
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0.85-1.15
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade
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A387 Gr.21 CL.2Mechanical Property
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Thickness
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Yield
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Tensile
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Elongation
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A387 Gr.21 Cl.2
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mm
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Min Mpa
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Mpa
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Min %
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6-50
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310
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515-690
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18
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50-200
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-
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-
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-
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If you are in need of ASTM A387 Gr.21 Cl.2, Please feel free to contact us. We sincerely hope old and new customers to visit our mill for long-term business cooperation.
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Henan Gang Iron and Steel Co., ltd
