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EN 10217-7 Stainless Steel Tubing

EN 10217-7 is a European standard that specifies the technical delivery conditions for welded stainless steel tubes used in pressure applications, particularly for heat exchangers, boilers, and other high –  temperature / pressure environments.

Dimension of EN 10217-7 Stainless Steel Tubing

Outside DiameterThickness(mm)
(mm)1.01.21.51.62.02.32.53.03.23.54.05.05.56.06.57.18.09.010.0
10
12
15
16
17.2
18/20
21.3
22
25
26.9
28/30
31.8/32
33.7
35/38/38.1
40
42.4
44.5
48.3
50.8/51
54/57
60.3
63.5
70
76.1
88.9/101.6
114.3
139.7
168.3
219.1
273
323.9
355.6
406.4
457
508

EN 10217-7 Common Steel Grades And Equivalent AISI Grades

Steel NameSteel NumberAISI Grade
X2CrNi18-91.4307304L
X5CrNi18-101.4301304
X2CrNiMo17-12-21.4404316L
X6CrNiTi18-101.4541321
X6CrNiMoTi17-12-21.4571316Ti
X2CrNiMo18-15-41.4438317L
X2CrNiMoN22-5-31.44622205

Application

Stainless steel tubes are widely used in heat exchangers due to their excellent thermal conductivity, corrosion resistance, and durability. Heat exchangers are critical components in industries such as chemical processing, oil and gas, power generation, HVAC, and refrigeration. Stainless steel tubes are particularly favored for their ability to withstand high temperatures, pressure, and corrosive environments.

ASTM A249 heat exchanger tubing

Professional Stainless Steel Tube & Pipe
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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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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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