YAOLONG
YAOLONG

Stainless Steel Tube & Pipe Manufacturer

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Our stainless steel tubing team specializes in delivering high-quality, precision-engineered tubing solutions tailored to meet the diverse needs of industries worldwide.

JIS G3459 Stainless Steel Pipe

JIS G3459 is a Japanese Industrial Standard (JIS) that specifies stainless steel pipes  for general piping applications.

  • International Standard :
  • Material Grades :
  • Outer Diameter :
  • Wall Thickness :
  • Tube Type :
  • Mill Test Certificate(MTC) :
  • Certificate :
  • Test Content :
  • JIS G3459
  • 304, 304L, 316, 316L, 309/309S, 310/310S,  321/321H, 347/347H, Duplex2205 / S31803, etc.
  • 1/8″ – 80″ , 10.3mm - 2032mm , DN6 - DN2000
  • SCH5S - SCH80S
  • Seamless or Welded
  • EN10204 3.1
  • ISO 9001:2015 , PED 2014/68/EU , AD 2000-WO
  • Flange & Flaring Test,Reverse Flattening Test, Roughness Test, Hydrostatic/Pneumatic Test, Eddy Current Test (NDT), Surface Finish Verification, Dimensional Inspection, Material Certification

JIS G3459 Dimensions

Nominal DiameterOutside Diameter (mm)Nominal Wall Thickness (mm)
ABSCH 5SSCH 10SSCH 20SSCH 40
81/413.81.21.652.02.22
103/817.31.21.652.02.3
151/221.71.652.12.52.8
203/427.21.652.12.52.9
25134.01.652.83.03.4
321 1/442.71.652.83.03.6
401 1/248.61.652.83.03.7
50260.51.652.83.53.9
652 1/276.32.13.03.55.2
80389.12.13.04.05.5
903 1/2101.62.13.04.05.7
1004114.32.13.04.06.0
1255139.82.83.45.06.6
1506165.22.83.45.07.1
2008216.32.84.06.58.2
25010267.43.44.06.59.3
30012318.54.01.56.510.3
35014355.6---11.1
40016406.4---12.7
45018457.2---14.3
50020508.0---15.1
55022558.8---15.9
60024609.6---17.5
65026660.4---18.9

Stainless Steel Products

Sanitary Tube

Heat Exchanger Tube

Industrial Pipe

Material Grades

Professional Stainless Steel Tube & Pipe
Manufacturer & Supplier

  • Quickly delivery
  • Stable welded seam quality
  • Third party inspection
  • Mass inventory
  • Professional inspection team
  • Flanges and fittings supply together

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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Our stainless steel tubing team specializes in delivering high-quality, precision-engineered tubing solutions tailored to meet the diverse needs of industries worldwide.

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