Alloy Steel Plate ASTM A 387 Gr.9 Cl.2

ASTM A387, ASME SA 387, is one of our most popular product. It is a low alloy pressure vessel, quality steel for high temperatures. SA-387 Steel Plate, Grades 5, 9, 11, 12, 22 and 91 Class 1 and 2 Chromium - Molybdenum Alloy Steel Plates for elevated temp + corrosion. For Use in Boilers and pressure vessels. It covers the supply of weldable chrome molybdenum alloy steel plates for pressure vessels used in elevated temperature service. The added molybdenum and chromium provides excellent corrosion resistance and high temperature resistance respectively.

 

Applications for Alloy steel

 

Industrial boilers

Pressurized vessels

Heat exchangers

Flanges, fittings and valves

Ducting and pipe works

Gas application

Fabricators

Sour service environments

Numerous applications

 

 

 

 

 

 

 Comparison with Other Grades

Grade	Cr Content	Mo Content	Key Difference
A387 Gr.9	8–10.5%	0.85–1.05%	Balanced high-temperature strength
A387 Gr.11	1.0–1.5%	0.44–0.65%	Lower Cr/Mo for moderate temps
A387 Gr.22	2.0–2.5%	0.90–1.10%	Higher Cr/Mo for higher temps
A387 Gr.91	8.0–9.5%	0.85–1.05%	Modified with V, Nb, N for superior creep resistance

 

 

 

 

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our Alloy Steel Plate ASTM A 387 Gr.9 Cl.2, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

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