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high quality, low price 30 inch seamless steel pipe/ st52 seamless tube

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Specifications of carbon steel seamless pipe

Grade	ST35(E235), ST37, ST24(E255), ST52(E355), 10#, 20#, 35#, 45#
Out Diameter	21.3MM-60MM
Thickness	2-80mm
Pipe Length	4-12m or As clients requested length
Standard	API5L , ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A179/A192/A213/A210 /370 WP91, WP11,WP22 GB5310-2009, GB3087-2008,GB6479-2013, GB9948-2013, GB/T8163-2008, GB8162-2008,GB/T17396-2009
Certificates	API5L ISO 9001:2008 TUV SGS BV etc
Material	20#; A106-B, A53-B, ST45-8, ST45-4ST52, ST52.4ST37, CK45CK22, 4140P9,P11J55, K55L80, X42, X46, X52 1Cr17Mn6Ni5N(201),1Cr18Mn8Ni5N(202), 0Cr18Ni9(304),00Cr19Ni10(304L),0Cr17Ni12Mo2(316),00Cr17Ni14Mo2(316L),etc
End treatment	plain end Beveled or according to client
Application	1. Fluid pipe 2. Power Plant 3. Structure pipe 4. High and low pressure Boiler tube 5. Seamless steel tubes for petroleum cracking 6. Conduit pipe 7. Scaffolding pipe pharmaceutical and ship building etc.
Main Market	Asia, Middle East, Europe, America, Africa, Australia, etc.

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FAQ

1.Are you a factory or trading company?

A factory

2.How does your factory do regarding quality control?
Quality is priority. We always attach great importance to quality controlling from the very beginning to the very end.
Our factory has passed ISO9001,ISO14001,CE,API.

3.What is the material of your products?
The material is carbon steel, alloy steel and stainless steel. We can also choose material according to customer's requirement.

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