Stainless Steel Pipes
ASTM, AISI, GB, JIS, DIN, EN
300 Series
ISO, RoHS, AISI, ASTM, GB, EN, DIN, JIS
Round
Cold Rolled
Pickling
7-15days.Adjust According to Customer Order Volume
1ton
Chemical Industry,Oil/Gas Drilling,Food,Machinery
0.5~100mm,Customizable
2000mm~12000mm,Customizable
DAUPHINS
Standard Sea-Worthy Packing
According to your needs
China
7304419000
Product Description
Industrial grade seamless pipe
Material Type | Specification Range (Outer Diameter × Wall Thickness, in mm) | Characteristics | Applications |
Stainless Steel Seamless Pipe | 6mm × 0.5mm to 762mm × 70mm | High corrosion resistance, heat resistance, and strength | Chemical, petroleum, food, pharmaceutical, and mechanical manufacturing industries |
Carbon Steel Seamless Pipe | 10mm × 1mm to 500mm × 50mm | High strength and toughness | Construction, bridges, and mechanical structures |
Alloy Steel Seamless Pipe | 12mm × 1.5mm to 600mm × 60mm | High strength, heat resistance, and corrosion resistance | High-temperature and high-pressure environments, aerospace industry |



The product has a wide range of applications. In the petrochemical field, it is used to transport crude oil, natural gas, chemical raw materials, etc. In the power industry, it serves as boiler pipes, superheater pipes, etc. In mechanical manufacturing, it is used to manufacture components such as hydraulic cylinders and pneumatic cylinders. In the construction field, it can also be used for the support of some special structures.
PROFESSIONAL STAINLESS
STEEL PIPE MANUFACTURING
Product | Stainless Steel Pipe |
Standard | ASTM, GB, EN, AISI,JIS, DIN, |
Grade | 300 Series: 302,304,304L,316,316L,309,310,317,321,347 Duplex Steel: 904L,2205,2507,2101,2520,2304 200 Series: 201,202 400 Series: 409,410,420,430,436,444,441,440c |
Wall Thickness | 0.5mm-50mm(Cold rolled),According to customer needs |
Outer Diameter | Seamless:Φ 3mm-Φ1020mm; Welded:Φ 6mm-Φ630mm.According to customer demand |
Length | 1000mm~12000mm, as required. |
Manufacturing Method | Cold Rolled ect. |
Surface | Pickling ,sandblast, Bright Polished, Mirror polishing, ect. |
Shape | Round,square |
Seam | Seamless/Welded |
MOQ | 1 Ton |
Package | Standard Sea-Worthy Packing |
Leading time | Usually 10-15 days,Depending on customer order size |
Payment terms | T/T 30% for deposit. 70% balance before shipment |
Application area | Pipeline Transport,Boiler Pipe,Hydraulic/Automobile Pipe,Oil/Gas Drilling,Food/Beverage/Dairy Products,Machinery Industry,Chemical Industry,Mining,Construction & Decoration,Special Purpose,Solar photovoltaic,Electronic clean shop and so on. |












A: What factors affect the price? It is affected by material, specifications, market supply and demand, and raw material prices. Different materials have different prices. Large - diameter and thick - walled pipes have higher costs. Fluctuations in the supply - demand relationship and the prices of raw materials such as nickel and chromium also affect the price.
Q2: How to detect the quality of stainless steel seamless pipes?
A: The quality of stainless steel seamless pipes can be inspected as follows:
Appearance Check:Examine the surface for cracks, scratches and other defects.
Dimension Measurement:Measure the diameter, wall thickness, etc. to ensure they meet the standards.
Nondestructive Testing:Adopt nondestructive testing methods like ultrasonic flaw detection and eddy current flaw detection to check for internal defects.
Chemical Composition Analysis:Analyze the chemical composition to verify if the material meets the requirements.
Mechanical Properties Testing:Conduct mechanical properties testing to check if the material quality is up to standard.
Q3: Do you offer customized products?
A: Yes, we can customize seamless stainless steel tubes according to specific customer requirements, including different sizes, materials, and surface.
Q4: Which standards do your products comply with?
A: Our products comply with national standards (GB), international standards (ISO), and industry standards. Some products can also be customized to meet specific customer requirements.
Q5: Do you offer customized products?
A: Yes, we can customize seamless stainless steel tubes according to specific customer requirements, including different sizes, materials, and surface treatments.
Q6: What is the typical delivery time for your products?
A: The delivery time depends on the order quantity and product specifications. Generally, we can deliver within 2 to 4 weeks. The exact delivery time will be confirmed and notified to the customer after the order is placed.