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You are here: Home- Selling listA387 Gr.9 pressure vessel steel,A387 Gr.9 steel plate

A387 Gr.9 pressure vessel steel,A387 Gr.9 steel plate

Posted:2015/11/16 2:24:44

A387 Grade 9 plate is an ideal material for welded pressure vessels and boilers used in elevated temperature service.  SA387 have ten grades or levels. They are : grade 2, grade 12, grade 11, grade 22, grade 22L, grade 21, grade 21L, grade 5 , grade 9 , grade 91.

All plates come with mill test certification and individual stampings.

we specializes in comply with ASTM A387/A387M, ASTM A20/A20M. We are assure of supplying A387Gr.9 in superior quality. The maximum thickness can reach 400mm

Chemical Requirements

(cast analysis, % by mass, maximum permitted unless indicated otherwise)

  Gr. 2 Gr. 12 Gr. 11 Gr. 22 Gr. 22L Gr. 21 Gr. 21L Gr. 5  Gr. 9 Gr. 91*
C 0.05-0.21 0.05-0.17 0.05-0.17 0.05-0.15 0.10 0.05-0.15  0.10   0.15  0.15 0.08-0.12 
Mn 0.55-0.80 0.40-0.65  0.40-0.65 0.30-0.60  0.30-0.60  0.30-0.60  0.30-0.60  0.30-0.60  0.30-0.60  0.30-0.60 
P 0.025 0.025  0.025 0.025 0.025  0.025  0.025  0.025  0.025  0.020 
S 0.025 0.025  0.025  0.025  0.025  0.025  0.025  0.025  0.025  0.010 
Si 0.15-0.40 0.15-0.40  0.50-0.80 0.50 0.50  0.50 0.50 0.50 1.00  0.20-0.50 
Cr 0.50-0.80 0.80-1.15  1.00-1.50  2.00-2.50 2.00-2.50 2.75-3.25 2.75-3.25 4.00-6.00 8.00-10.00  8.00-9.50
Mo 0.45-0.60 0.45-0.60  0.45-0.65 0.90-1.10 0.90-1.10 0.90-1.10 0.90-1.10 0.45-0.65 0.90-1.10 0.85-1.05 
V  -  -  - -  -  -  - - 0.04  0.18-0.25

We are a professional steel stockist and supplier. We can supply different product type and steel grades.If you have any need of A387 Gr.9 pressure vessel steel,A387 Gr.9 steel plate .please do not hesitate to contact us for more information,we will reply you ASAP!

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