Factory source (SGS 304 309 310S) Heat Resistance Ss Inox Stainless Steel Seamless Pipe for Line Pipe/Boiler Tube

Persisting in “High quality, Prompt Delivery, Competitive Price”, we have established long-term cooperation with clients from both overseas and domestically and get new and old clients’ high comments for Factory source (SGS 304 309 310S) Heat Resistance Ss Inox Stainless Steel Seamless Pipe for Line Pipe/Boiler Tube, In addition, we would properly guideline the shoppers about the application techniques to adopt our products and solutions as well as the way to select appropriate materials.
Persisting in “High quality, Prompt Delivery, Competitive Price”, we have established long-term cooperation with clients from both overseas and domestically and get new and old clients’ high comments for China Guardrail Tube and 316 Stainless Steel Tube, With more and more Chinese products and solutions around the world, our international business is developing rapidly and economic indicators big increase year by year. We now have enough confidence to supply you both better merchandise and service, because we have been more and more powerful, specialist and experience in domestic and international.

Manufacture: Seamless process ,Hot-finished or Cold-finished.
Wall thickness(WT): 3.2 mm——21 mm.
Outer diameter (OD): 33 mm——323 mm.
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded.

Port of Shipment: Tianjin, China.
Payment Terms:T / T, LC.
Delivery: 7-15 days after payment.
Surface: Tubes will be varnished (Outside only) to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No.
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required.

(1)Method of manufacturing steel
Steel are manufactured by electric furnace, oxygen converter or open hearth method.

(2)Manufacturing method of tube blank
The tube blank can be produced by a hot rolling method, and a continuous casting billet or a steel ingot can also be used.

(3)Manufacturing method of steel pipe
The steel pipe can be manufactured by a hot rolling (extrusion, expansion) or cold drawing (rolling) seamless method.

(1)Hydraulic test
The steel pipe should be hydraulically tested one by one.

(2)Flattening test
Steel pipes with an outer diameter of more than 22mm to 400mm and a wall thickness of not more than 10mm shall be subjected to a flattening test.

(3)Flaring test
The steel pipe with a wall thickness of not more than 8 mm can be subjected to a flare test with a top taper of 30°, 45° or 60°.

(4) Bending test
Steel pipes with an outer diameter of not more than 22 mm will be subjected to a bending test.

(5)Non-destructive testing
According to the requirements of the purchaser, the steel pipe will be ultrasonically tested one by one.

The inner and outer surfaces of the steel pipe do not have cracks, folds, creases, crusting or separation, and these defects should be completely removed. The clearance depth shall not exceed the negative deviation of the nominal wall thickness, and the actual wall thickness at the cleaning site shall not be less than the minimum allowed by the wall.

The packaging, marking and quality specifications of steel pipes shall comply with the provisions of GB/T 2102.

We adhere to the “high quality, timely delivery, competitive price”, with domestic and foreign customers to establish a long-term cooperative relationship, a series of our products have been praised by new and old customers, we will correctly guide customers to use our products and solutions of the application of technology, as well as how to choose the right materials.
With more and more Chinese products and solutions spread all over the world, our international business has developed rapidly and economic indicators have increased substantially year by year. We are now confident enough to provide you with better goods and services because we are growing stronger, more professional and more experienced both domestically and internationally.