JIS 3461 STB42 Seamless Tube SA210A1 Carbon Steel Boiler Tube

That has a sound business enterprise credit history, excellent after-sales assistance and modern production facilities, we now have earned an superb status among our buyers across the whole world for JIS 3461 STB42 Seamless Tube SA210A1 Carbon Steel Boiler Tube, Our professional technical team will be wholeheartedly at your service. We sincerely welcome you to visit our website and company and send us your inquiry.
That has a sound business enterprise credit history, excellent after-sales assistance and modern production facilities, we now have earned an superb status among our buyers across the whole world for Seamless Boiler Tube SA210A1 and JIS 3461 STB42 Seamless Boiler Tube, Our company always concentrate on the development of the international market. We have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.

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.

That has a sound business enterprise credit history, excellent after-sales assistance and modern production facilities, we now have earned an superb status among our buyers across the whole world for Factory Free sample JIS 3461 STB42 Seamless Tube SA210A1 Carbon Steel Boiler Tube, Our professional technical team will be wholeheartedly at your service. We sincerely welcome you to visit our website and company and send us your inquiry.
Factory Free sample China Seamless Tube SA210A1 and JIS 3461 STB42 Seamless Tube, Our company always concentrate on the development of the international market. We have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.