Welded tubes, used for auto seat frame, good quality with competitive price

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$670.00 - $710.00 / Metric Tons | 20 Metric Ton/Metric Tons (Min. Order)
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Quick Details
API 5L, ASTM A513-2007, DIN EN 10305, GB/T 13793-1992, GB/T 8713, JIS G3445-2006
Grade Group:
10#-45#, 16Mn, Q195-Q345, ST35-ST52
10#, 20#, 16Mn, Q195, Q215, Q235, Q345, St37, St37-2
2.0 mm
Section Shape:
Outer Diameter(Round):
19 mm
Place of Origin:
Hebei, China (Mainland)
to use for automotive seat frame
Surface Treatment:
Supply Ability
Supply Ability:
70000 Metric Ton/Metric Tons per Year
Packaging & Delivery
Packaging Details
Bundles be banded with steel bands, then bundles be wrapped with PVC plastic over top of the bands by tapes.
Xin gang,Tianjin
Lead Time :
30-40 days after donfirm the order
Company Profile
Bazhou Tianli Precision Tube making Co.,Ltd located in Bazhou City, Hebei Province. It lies in the central position of Beijing-Tianjin-Hebe Economical Circle, It enjoys facilitate traffic and obvious location advantages. Founded in 1997,Tianli Precision Tube is subordinated to Langfang Tianli Group, covering an area of 800,000 square meters (building area of 512,000 square meters).Annually produces high quality welded precision tubes 80,000 tons,and cold drawn precison welded tubes 50,000 tons,short tubes for automobile 10 million pieces.
The company is equipped with advanced production lines.Tianli has imported worldwide most advanced slitting、welding、annealing、drawing、straightening and cutting machines.The production range of precision welded tube &cold drawn tube covers more than two hundred specifications from tube diameter Ø12mm to Ø130mm and wall thickness 0.6mm-4.0mm. These products are widely used in automobile parts(shock absorbers, instrument panel supports, automobile door anti-crash beams, supporting bar, automobile seat, auto structural tube),motorcycles,costly furniture, pneumatic parts, fitness equipments ,low and medium pressure fluid tubing industry.
The company implements lean concept,has passed ISO9001:2008& ISO/TS16949 quality system certification.In the future,Tianli will focus on the development trend of automotive industry, speed up the product structure adjustment.Depending on the professional technology,the company will rapid rise in automotive parts field,and it is striving for the best to be antecedent among the domestic enterprises for production of high-end precision steel tube.

Production Equipment

Advanced forming tech-KTM production line from Korea

According to w-bending molding methods, it is able to make the protuberant precision of weld seams stable. So it can achieve superior quality of weld seams and precision of burrs.HFW system is automatically adjusted.KTM can produce the high or low D/T proportion products easily.

Continuous roller hearth non-oxygen annealing oven

We use continuous roller hearth annealing oven imported from Korea,which are very efficient and productive.No oxidation on the surface of tubes after annealing,thus leads to the good quality of surface after cold drawn

Triple draw bench from Korea

Triple draw bench is the most advanced cold drawn equipment in the world.It can improve the efficiency,reduce material consumption,and lead to more reliable product.This equipment ensure the precise dimension and good internal surface roughness Ra ≤0.4μm.

High frequency induction hardening /straightening machine for automobile door anti-crash beam

Product Processing

Online Eddy Current Testing in Welding Line

1,Function: Distinguish defective tubes from qualified ones.

2,Spray on defective tubes and separate automatically to prevent defective tubes from mixing.

Product Packing

Why Choose Us

1. Established in 1997, supplying high-quality steel pipes for more than 19 years.
2. Passing the ISO9001&TS16949 quality management system certification。
3. 10 automatic welding&cold-drawing production lines。
4. Manufacturering up to 500,000 tons of various pipes every year。
5. More than 10 highly qualified R&D Staffs with 8-15 years working experience in this field.
6. Holding a group of skillful workers with at least 10 years of working experience or above。
7. Advanced equipments make sure the qualified rate of products is 100%
8.The lead time for delivery can be shortened to 20 days 。
9.We help you save on cost by optimizing product design and material selection 。
10. Clients from over 50 countries trust our 19 years' experience 。

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