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China offer A387 Grade 91 Class 2 chromium molybdenum alloy steel plates

China offer A387 Grade 91 Class 2 chromium molybdenum alloy steel plates

Shanghai Katalor steel as as steel supplier in China,we can offer all kinds of steel stock,best price and high quality,offer A387 Grade 91 Class 2 chromium molybdenum alloy steel plates in China.
A387 Grade 91 Class 2 is a chromium molybdenum alloy steel plates intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 9% and the Mo content 1%.Each grade except grade 21L,Grade 22L,Grade 91 and Grade 11 is available in two classes of tensile strength levels. Grade 91 and Grade 911 are available only as Class 2.
A387 Grade 91 Class 2 steel Chemical requirement in Product analysis:


C %

Mn %

P %

S %

SI %

Cr %

Mo %

0.06-0.15

0.25-0.66

0.025

0.012

0.18-0.56

7.90-9.60

0.80-1.10

Ni %

V %

Nb %

B %

Nitrogen

AL %

Tungsten

0.43

0.16-0.27

0.05-0.11

 

0.025-0.080

0.05

 

Mechanical Property A387 Grade 91 Class 2:


Mechanical Property A387 Grade 91 Class 2

A387 Grade 91 Class 2

Tensile strength, kis [MPa]
Yield strength, min, kis [MPa]
Elongation in under [200mm], min, %
Elongation in under [50mm], min, %

585-760
415
….
18

A387 Grade 91 Class 2 max thickness of plates is limited only by the capacity of the composition to meet specified mechanical property requirements.
Shanhai Katalor steel is a large agent in HBIS and cooperated with Wuyang Iron and steel co.,ltd to export high quality and super thickness steel plate. For the competitive price in A387 Grade 2 Class1, please contact us by email,We will give you the low price and high quality A387 Grade 91 Class 2 steel.

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