Factory Price High Precision Cold Rolled S30408 S31603 Seamless Tube Stainless Steel Seamless Pipe Specially Treated for Food Industry ASTM GB En AISI JIS DIN

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Product Description

📋 Basic Information
Grade
300 Series
Certification
ISO, RoHS, AISI, ASTM, GB, EN, DIN, JIS
Shape
Round
Technique
Cold Rolled
Surface Treatment
Pickling
Delivery Time
7-15 days (Adjusted by volume)
MOQ
1 ton
Application
Chemical, Oil/Gas, Food, Machinery
Thickness
0.5~100mm, Customizable
Length
2000mm~12000mm, Customizable
Trademark
DAUPHINS
Origin
China
🏗️ Product Description

Industrial grade seamless pipes are high-precision and high-performance pipes that play a crucial role in the industrial field. Their manufacturing process uses high-quality billets and goes through precise procedures such as piercing, tube rolling, and sizing to ensure smooth, weld-free surfaces and high strength.

Material Type Specification Range (OD × WT) Characteristics Applications
Stainless Steel Seamless Pipe 6mm × 0.5mm to 762mm × 70mm High corrosion & heat resistance Chemical, food, pharmaceutical
Carbon Steel Seamless Pipe 10mm × 1mm to 500mm × 50mm High strength and toughness Construction, bridges, structures
Alloy Steel Seamless Pipe 12mm × 1.5mm to 600mm × 60mm High strength & corrosion resistance High-temp environments, aerospace
⚙️ Technical Specifications
StandardASTM, GB, EN, AISI, JIS, DIN
Grade300 Series (304, 316L, 321, etc.), Duplex Steel (2205, 2507), 200/400 Series
Wall Thickness0.5mm - 50mm (Cold rolled)
Outer DiameterSeamless: Φ 3mm-Φ 1020mm; Welded: Φ 6mm-Φ 630mm
SurfacePickling, Sandblast, Bright Polished, Mirror Polishing
ApplicationPipeline Transport, Boiler, Hydraulic, Oil/Gas Drilling, Food Industry
🌟 Application & Usage

In the petrochemical field, it is used to transport crude oil, natural gas, and chemical raw materials. In the power industry, it serves as boiler pipes and superheater pipes. In mechanical manufacturing, it is used for hydraulic and pneumatic cylinders.

💎 Main Products
Main Products Gallery

Our main product range includes: Finned Tube, Heat Exchanger, Air Cooler, Shell and Tube Condenser, Boiler Tube, Economizer, Copper Pipe, and Stainless Steel Pipe.

🛡️ Certifications & Logistics

Certified by ISO 9001, ISO 14001, and other international standards. We utilize Standard Sea-Worthy Packing to ensure product safety during transit.

❓ Frequently Asked Questions
What factors affect the price?
Price is affected by material grade, specifications, market supply/demand, and raw material fluctuations (like nickel and chromium).
How do you detect the quality of seamless pipes?
We perform appearance checks, dimension measurements, nondestructive testing (ultrasonic/eddy current), chemical analysis, and mechanical properties testing.
Do you offer customized products?
Yes, we can customize tubes according to specific requirements, including sizes, materials, and surface treatments.
Which standards do your products comply with?
Our products comply with national (GB), international (ISO), and industry standards (ASTM, AISI, JIS, DIN).
What is the typical delivery time?
The typical delivery time is 2 to 4 weeks, depending on the order quantity and product specifications.
What are the payment terms?
Standard terms are T/T 30% for deposit and 70% balance before shipment.

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