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Stainless Steel Welded Tube
Stainless Steel Welded Tube

Stainless Steel Welded Tube

Product ID : SPSS- Stainless Steel Welded Tube
Product Attributes :

Stainless Steel Welded Tube

Grade: 304/L, 316L, 321, 309S, 310S, 317L, Duplex2205 & 2507

Standard: ASTM A249, ASTM A269, ASTM A554

OD: 6.0mm to 101.4mm, WT: 0.3mm to 3.0mm

Length: as per customer's requirements.

Polished to 600grit max if required.

100% NDT testing.


Product Description

Stainless Steel Welded Tube


1, Executive Standard: ASTM A249, ASTM A269, ASTM A554, ASTM A312.


2, Application: Heating elements tube, Liquid transmission pipeline system, Mechanical tube, Automobile hydraulic tubing, Ornamental Tubing.


3, Material: 304/L, 316L, 321, 310S, 309S, 310S, 317L Duplex2205, Duplex2507


4, Specification: Outside diameter: 6.0mm-101.4mm, Wall thickness: 0.35mm-3.0mm, Length: according to your requirements.


5, Tolerance: As per executive standard requirements, for those tubes which require high precision, we can make according to your own tech requirements.


6, Heat treatment: In-line bright annealing, Solution.


7, Advantage: Well-proportioned wall thickness and high precision wall thickness. Also we can polish or make the tubes bead removed according to your requirements. Small outside diameter tubes are our strong producs.


8, Information: Beside the normal executive standard, we could also make the tubes according to your own requirements, such as wall thickness tolerance, hardness, surface requirements and etc by designing different technical requirements and production technology, try our best to support you. All of our welded stainless steel tube can be polished to 600grit if customers requested.


Benefited from more than 15 years of specialized in making welded stainless steel tube, we have rich experience and technology and we also the top grade welded stainless steel tube production lines. Not only we make full and detailed technical design and inspection flow, but also we pay more attention to the improvement of technology to ensure high products quality.


Strict quality control system ensures the high quality welded stainless steel tube.

1, Raw material: Testing principal component strip burr and thickness according to furnace number or materials of each roll.

2, Tubing welding: Testing length, outside diameter, spherical degree, welding seam and appearance for 50tubes/batch/set or 30 minutes/one time/set

3, Detecting: ALL.

4, Hydraulic press(Pneumatic Press): Testing all tubes by 10 MPa/holding 10s or 1 MPa/holding 10s.

5, Final tubes: Testing length, outside diameter, spherical degree, welding seam, appearance and burrs at two ends for all tubes.

6, Mechanical features: Testing flaring, flattening, reverse bending, tensile strength, yield strength and elongation for 200tubes/bath/set.


Click here to check our process flow chart for ss welded tube.

Contact us if you need technical support.

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