ASME SA387 STEEL PLATE

SA387 Gr 21L CL 1 Steel PLATE

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

 

 

SA387 Gr.21L CL.1Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Cr

Mo

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】%

 

Grade

SA387 Gr.21L CL.1Mechanical Property

Thickness

Yield

Tensile

Elongation

SA387 Gr.21L Cl.1

mm

Min Mpa

Mpa

Min  %

t≦50

205

415-585

18

50<t≦200

-

-

-

 

 

Equivalent steel grade of SA387 Gr.21L Cl.1

Europe

Belgium

Germany

France

Italy

Sweden

India

Japan

U.K

 

 

 

 

 

 

 

 

 

 

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