China Factory 304/316L En JIS ASTM Standard Stainless Steel Welded Pipe Tube

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Product Description

📋 Overview
Basic Info.
Model NO.
304/316L
Material
304/316L
Outer Diameter
8 inch
Type
Welded Pipe
Wall Thickness
20
Production Capacity
5000tons/Year
Packaging & Delivery
Package Size
620x80x80 cm
Gross Weight
300.000kg
Lead Time
7 days (1-10 Tons)
🛠️ Product Description
Global Leader in Ultra-Clean Pipes/Tubes

Our state-of-the-art production ensures exceptional quality for a wide range of applications. Our key products, including the ultra-smooth EP pipes with a mirror-like finish (Ra≤0.10μm) and our reliable BA pipes, perfect for high-purity environments. We also feature our versatile MP and AP pipes, designed for demanding industrial uses, alongside precision heat exchange tubes and matching fittings and joints.

Stainless Steel Tube Applications

From semiconductor cleanrooms to hydrogen energy systems, biopharmaceuticals, and food processing, our pipes are engineered for performance. Certified to international standards like PED, ISO9001, ISO14001, ISO45001.

📐 Specification
Applications
  • Full Industry Coverage
  • Ultra-High Purity Gas Delivery
  • Chemical Delivery
  • Vacuum and Gas Discharge Systems
  • Aseptic Filling System
Technical Parameters
MOQ
1 Ton
Surface Roughness
0.2μm & 0.6μm
Standards
ASTM, JIS, GB, EN
Production Process 1
Production Process 2
🏢 Professional Production

We feature fully automated production lines, eddy current testing, ultrasonic testing, hydrostatic pressure testing, and spectral laboratories. Facilities include a pure hydrogen bright annealing furnace, 500 square meters class 100K clean room, and automated electropolishing lines.

Product Certificate
Inventory 1
Inventory 2
Frequently Asked Questions
What types of stainless steel pipes do you mainly produce?
We specialize in manufacturing both Welded and Seamless Pipes suitable for pressure-bearing, high-temperature, and corrosive environments such as petrochemicals and heat exchangers.
How is the "Specification" of a stainless steel pipe usually expressed?
Specifications are defined by Outer Diameter (O.D.), Wall Thickness (W.T.) in metric or imperial units, and length (usually 5.8m or 6m standard).
Which international standards do your products comply with?
Our products strictly adhere to ASTM A312, A269; ASME SA312; EN 10216-5, 10217-7; and JIS G3459 standards.
What is the Minimum Order Quantity (MOQ)?
For standard products, the MOQ is generally low (e.g., 1 ton). Custom or non-standard products may require a higher MOQ depending on complexity.
What surface finishes are available?
We provide BA (Bright Annealed), EP (Electropolished), MP (Mechanical Polished), and AP (Annealed & Pickled) finishes to meet different purity requirements.
What industries use your ultra-high purity pipes?
Our pipes are widely used in semiconductors, biopharmaceuticals, hydrogen energy systems, and aseptic food processing industries.

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