Huzhou Dapu Stainless Steel Co., Ltd, is a company specialized in producing and marketing stainless steel pipe products.
The annual production capacity is 15000 tons stainless steel welded pipe, and 8000 Tons seamless stainless steel.
Seamless Size OD from 3.54mm to 710.00mm, WT from 0.89mm to 40.00mm
Welded Size OD from 12.70mm to 3000.00mm, WT from 0.8mm to 50.00mm
The products from raw material, semi-finished products to finished, we have strict inspection system to test for ensuring the first class quality, and all processes will be carried out according to ISO 9001: 2008.
More questions or request about our products feel free to let us know, we will do our best to support your work.
| Chemical Composition |
UNS
Designation | C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu | Others |
| S31500 | 0.03 | 1.20- 2.00 | 0.030 | 0.030 | 1.40- 2.00 | 4.3- 5.2 | 18.0- 19.0 | 2.50- 3.00 | 0.05- 0.10 |
|
|
| S31803 | 0.03 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5- 6.5 | 21.0- 23.0 | 2.5- 3.5 | 0.08- 0.20 |
|
|
| S32001 | 0.03 | 4.00- 6.00 | 0.040 | 0.030 | 1.00 | 1.0- 3.0 | 19.5- 21.5 | 0.60 | 0.05- 0.17 | 1.00 |
|
| S32205 | 0.03 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5- 6.5 | 22.0- 23.0 | 3.0- 3.5 | 0.14- 0.20 |
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|
| S32304 | 0.03 | 2.50 | 0.040 | 0.040 | 1.00 | 3.0-5.5 | 21.5-24.5 | 0.05-0.60 | 0.05-0.20 | 0.05-0.60 |
|
| S32750 | 0.03 | 1.20 | 0.035 | 0.020 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.50 |
|
| S32760 | 0.05 | 1.00 | 0.030 | 0.010 | 1.00 | 6.0-8.0 | 24.0-26.0 | 3.0-4.0 | 0.20-0.30 | 0.50-1.00 | W 0.50- 1.00
40 minC |
Huzhou Dapu Stainless Steel Co., Ltd, is a company specialized in producing and marketing stainless steel pipe products. The company is jointly established by two companies which are professional manufacture of stainless steel welded pipe and stainless steel seamless pipe respectively. Company has professional production equipment and advanced testing equipment. We also have passed certificated by ISO9001-2000 and PED, and have obtained the Manufacture License of Special Equipment People's Republic of China.
The company annual production capacity is 15000 tons of stainless steel welded pipe, and 800 Tons of seamless stainless steel, in strict line with GB, ASTM(ASME), EN, DIN, JIS and other international standard. The company has a professional testing center, with advanced testing equipment at home and abroad: Eddy current flaw detector, ultrasonic flaw detector, direct-reading spectrometer, X-ray detector, pressure unit, universal pressure test apparatus, and crystal physics and chemistry equipment.
Specification group form that produce stainless steel welded pipe: Single slit(Φ 8mm-Φ 630mm), wall thickness(0.5mm-25mm), girth(Φ 630mm-Φ 3000mm), wall thickness(3mm-45mm)
Specification group form that produce stainless steel seamless pipe(Φ 6mm-Φ 610mm), wall thickness(0.6mm-30mm).
Main material: 304\304L\316\316L\321\310S\317L\347H\S31803\2205\904L, etc. The produce are widely used in petroleum, chemical, paper, machinery, medicine, shipping, heat exchanger and other field.
If a single business is more than $100, 000, we will provide one third party inspection for our customer.
Company concept: "Quality to win markets, improvement to win progress". Welcome customers all over the world come to our company to give guidance for development.
