Hot Rolled Seamless Steel Pipe

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Hot Rolled Seamless Steel Pipe

Technical Specifications

Type	Hot Rolled Steel Pipe
Outer Diameter	32~630mm
Wall Thickness	2.5~75mm
Implementation Standard	National Standard: GBAmerican Standard: ANSI,API,ASTMJapanese Standard: JISBritish Standard: BSGerman Standard: DIN, etc.
Material	ASTM: A234-WPB,WP1, WP5, WP9, WP11, WP12, WP22, WP91, WP92, A420,WPHY42, WPHY52, WPHY60, WPHY65, WPHY70, WP304, WP304L, WP304H, WP316, WP316L, WP321, WP347, WP347H DIN: ST37.0, ST35.8, ST45.8, S235JR, P235GH, P265GH, 10CRMO910, 15CRMO, 12CR1MOV JIS: JISG3454, STPG370, STPG410, etc.
Technique	Hot Rolling
Package	The steel pipe can be bundled up, binned, bundled up with fat coating, or binned with fat coating and other customized package.

This hot rolled seamless steel pipe is different from the cold rolled type. At high temperature, the product has low resistance to deformation so that it can be deformed in large extent. Moreover, it is rolled at the temperature which the steel can be crystallized. When the cast structure of the steel is broken and the crystalline grain of the steel will be refined so that the steel will be structured extremely stably in high density. Moreover, the mechanical property on the rolled direction of the product is improved. Even if it has air bubbles, cracks and holes while pouring, the product will be welded under great pressure at high temperature.

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