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YAOLONG

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EN 10312 Stainless Steel Potable(Drinking) Water Tube

304 stainless steel pipes are among the most widely used stainless steel products globally, valued for their  excellent corrosion resistance, durability, and versatility. As part of the  austenitic stainless steel family, 304 pipes contain 18-20% chromium and 8-10.5% nickel, providing a strong balance of mechanical properties and resistance to oxidation, acids, and organic chemicals.

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EN10312 Welded Tube Dimensions And Tolerances
Series 1
Outside DiameterOutside Diameter ToleranceWall Thickness
(mm)Maximum(mm)Minimum(mm)(mm)
66,045,940,6
88,047,940,6
1010,049,940,6
1212,0411,940,6
1515,0414,940,6
1818,0417,940,7
2222,0521,950,7
2828,0527,950,8
3535,0734,971,0
4242,0741,971,1
5454,0753,841,2
66,766,7566,081,2
76,176,3075,541,5
(103)103,8102,21,5
108108,3107,21,5
(128)129,0127,01,5
133133,5132,21,5
(153)154,5151,51,5
159159,5157,92,0
The Tolerance On Wall Thickness Shall Be +/– 10 %
Series 2
Outside Diameter, mmTolerance, mmWall Thickness, mmTolerance,
12,0+/-0,101,0+/-0,10
15,0+/-0,101,0+/-0,10
18,0+/-0,101,0+/-0,10
22,0+/-0,111,2+/-0,10
28,0+/-0,141,2+/-0,10
35,0+/-0,181,5+/-0,10
42,0+/-0,211,5+/-0,10
54,0+/-0,271,5+/-0,10
64,0+/-0,322,0+/-0,15
76,1+/-0,382,0+/-0,15
88,9+/-0,442,0+/-0,15
108,0+/-0,542,0+/-0,15
133,0+/-1,003,0+/-0,30
159,0+/-1,003,0+/-0,30
219,01,503,0+/-0,30
267,0+/-1,503,0+/-0,30

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Yaolong Profile

NANTONG YAOLONG METAL MANUFACTURING CO., LTD is a modern integrated enterprise specialized in manufacturing stainless steel industrial welded tubes and pipes. Currently, Yaolong factory has 4 production bases in Foshan, Guangdong and Nantong,Jiangsu, its annual production capacity reaches 15,000 tons. Nantong Yaolong is honored with NEW TECHNOLOGY ENTERPRISE.

Yaolong company is attractive by talents of professional and technical personnel, it has imported high technology equipment from USA, Germany, France and Japan, producing industrial pipes Φ16- Φ2000mm, thickness in 0.5-18mm. Yaolong company is applying standard of GB, ASTM,  DIN, JIS and ISO. Now, Yaolong is equipped with sophisticated equipment, including Eddy Current Inspection, Metallographic Examination, Hydrostatic Test, Water Tightness Test, Spectral Analysis, X-ray, Roughness Test, Endoscope, Mechanical Universal Test.

Yaolong is equipped with state-of-the-art machinery to produce high-quality stainless steel pipes. Our advanced facilities include laser cutting machines for precise and clean cuts, internal polishing machines to ensure a smooth, flawless finish, and bright annealing technology for superior corrosion resistance and a polished appearance. Additionally, our internal levelling machines guarantee uniform pipe dimensions and enhanced structural integrity. With these cutting-edge technologies, Yaolong delivers precision-engineered stainless steel pipes that meet the highest industry standards for durability and performance.

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