201 304 304L 316 316L 309S 310S 321 430 2205 904L Polishedround Welded/Seamless Steel Tube Stainless Steel Pipe

• Customization: Available
• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, DIN, EN
• Grade: 300 Series
• Certification: ISO, RoHS, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round
• Technique: Cold Rolled
• Surface Treatment: Pickling
• Delivery Time: 7-15days.Adjust According to Customer Order Volume
• MOQ: 500kg
• Application Field: Chemical Industry, Oil/Gas Drilling, Food, Machinery
• Thickness: 0.5~100mm, Customizable
• Length: 2000mm~12000mm, Customizable
• Transport Package: Standard Sea-Worthy Packing
• Specification: According to your needs
• Trademark: DAUPHINS
• Origin: China
• HS Code: 7306110000
• Production Capacity: 400000tons/Year

Product Description

 

Product Description

Product Model	Specification Dimensions (mm)	Material	Wall Thickness (mm)	Welding Process
HG - 01	Φ20 - Φ219	Q235B	1.5 - 6	High - Frequency Resistance Welding
HG - 02	Φ250 - Φ500	Q345B	3 - 10	Submerged Arc Welding
HG - 03	Customized	Stainless Steel 304/316L	0.8 - 5	Tungsten Inert Gas Welding

Industrial - grade welded pipes are made from high - quality raw materials through advanced welding processes. They feature high precision, high strength, and strong corrosion resistance, meeting the requirements of various industrial scenarios.

Industrial - grade welded pipes are processed from high - quality steel through advanced techniques, combining high strength and high precision. They can adapt to complex working conditions and reduce installation deviations. With a variety of materials such as carbon steel and stainless steel available, the stainless - steel material can be used for a long time in corrosive environments, greatly extending the service life of pipelines. The products use processes like high - frequency resistance welding, submerged arc welding, and tungsten inert gas welding to ensure that the welds are firm, flat, and free of defects, thus guaranteeing pressure - bearing and sealing performance. Large - scale production reduces costs, and the superior performance reduces the frequency of maintenance and replacement, effectively reducing the comprehensive cost. In addition, specifications, materials, and welding processes can be customized according to customer requirements to meet diverse project needs.

 

 

Industrial - grade welded pipes are used in the construction engineering field for the erection of scaffolding and the laying of water supply and drainage pipelines, ensuring the safety and long - term use of buildings. In the petrochemical industry, they are used to transport oil, natural gas, and chemical raw materials, being able to adapt to high - temperature, high - pressure, and highly corrosive environments. In machinery manufacturing, they are used as structural parts such as machine frames and support components, ensuring the stability and accuracy of equipment. In the automotive manufacturing industry, they are applied to the manufacturing of components such as automobile chassis and exhaust systems. In the power engineering field, they are used for power transmission pipelines and cable protection sleeves, ensuring the operation of power facilities.

 

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.

 

Application And Usage

 

Main Product

Our company's main products are Stainless Steel Pipe,Stainless steel elbow,Stainless steel pipe fittings,Francois,all kinds of valves,Stainless steel products and so on.

Company Profile

Exhibitiong&Partners

Certifications

Our company's certificate certification includes ISO 9001, ISO 9000, ISO 14001, ISO 14000 and so on.

Packaging & Shipping

FAQ

Q1: What factors affect the price?
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.