Pickled and Brushed S31668 Stainless Steel Round Pipe for Underwater Hydrophone Array and Geophone Streamer Frames

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Product Description

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Basic Information

Model NO.
Sch 5 - Sch 160
Material
304 Stainless Steel
Outer Diameter
1/2 inch
Type
Welded Pipe / Seamless
Standard
ISO, RoHS, IBR, AISI, ASTM, DIN, JIS
Surface
BA, EP, AP, MP
Manufacturing
Cold Rolled, Hot Rolled
Production
5000 Tons/Year
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Global Leader in Ultra-Clean Pipes

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

Semiconductor Cleanrooms & Hydrogen Energy Systems
Biopharmaceuticals & Food Processing
Ultra-High Purity Gas Delivery Systems
Chemical and Vacuum Discharge Systems
Stainless Steel Pipe Specification
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Strictly Controlled Production

Facilities include fully automated production lines, eddy current testing, ultrasonic testing, hydrostatic pressure testing, spectral and physical-chemical laboratories, and a pure hydrogen bright annealing furnace. Featuring 500 square meters of class 100K clean room and high-purity nitrogen purging systems.

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Product Certificates

Quality management certified by: ISO9001, ISO45001, ISO14001, and PED.

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Factory Overview

Focused on the production of BA, AP, MP, EP ultra-pure stainless steel clean tubes, precision tubes, and heat exchanger tubes. All products are designed for high-quality, reliable performance in global industrial environments.

Factory Internal
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Product Features & Standards

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Packaging & Shipping

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Customer Visiting

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Frequently Asked Questions

Q1: What types of stainless steel pipes do you mainly produce?
We specialize in welded and seamless pipes suitable for high-pressure, high-temperature, and corrosive environments like petrochemicals and heat exchangers.
Q2: How is the "Specification" of a pipe usually expressed?
Specifications are defined by Outer Diameter (O.D.) and Wall Thickness (W.T.), expressed in metric (mm) or imperial units (Inch, BWG), along with standard or fixed lengths.
Q3: Which international standards do your products comply with?
Our products strictly adhere to ASTM A312, ASTM A269, ASME SA312, EN 10216-5, EN 10217-7, and JIS G3459 standards.
Q4: What is the Minimum Order Quantity (MOQ)?
For standard products, the MOQ is generally 1 ton. For custom or non-standard specifications, the MOQ may be higher based on production complexity.
Q5: What surface finishes are available for high-purity applications?
We provide BA (Bright Annealed), EP (Electropolished with Ra≤0.10μm), MP (Mechanical Polished), and AP (Annealed & Pickled) finishes.
Q6: What is the typical lead time for orders?
If items are in stock, delivery takes about 7 days. For standard production, it usually takes 15 to 30 days depending on the volume and specifications.

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