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Home > Line Pipes > JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
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JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines
JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines

JIS G4303 S32168 Stainless Steel Round Pipe with Oil Grinding Finish for Spacecraft Propulsion System Feed Lines

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Product Description

Basic Information
Model NO.
Sch 5, Sch10, Sch 40, Sch 80, Sch 80s, Sch 160
Material
304 Stainless Steel
Outer Diameter
1/2 inch
Type
Welded Pipe
Wall Thickness
Schedule 10
Seam
Seamless, Welded
Shape
Round
Surface
Ba Ep Ap MP
Standard
ISO, RoHS, Ibr, AISI, ASTM, GB, En, DIN, JIS
MOQ
1 Ton
Leading Time
7-15 Days
Production Capacity
5000 Tons/Year
Product Description

Global Leader in Ultra-Clean Pipes/Tubes

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. Also featuring versatile MP and AP pipes designed for demanding industrial uses, precision heat exchange tubes, and matching fittings.

Stainless Steel Round Pipe
Main Applications
  • Ultra-High Purity Gas Delivery
  • Chemical Delivery Systems
  • Vacuum and Gas Discharge Systems
  • Aseptic Filling Systems
  • Semiconductor Cleanrooms & Biopharmaceuticals
Strict Quality Control & Production

Equipped with fully automated production lines, eddy current testing, ultrasonic testing, hydrostatic pressure testing, and spectral laboratories. Facilities include a pure hydrogen bright annealing furnace and a class 100K clean room for ultrasonic pure water cleaning and electropolishing.

Production Line 1
Production Line 2
Certificates
Technical Specifications
Pipe Grade
Surface Finish
Grades: TP316L, 1.4404, 1.4435, HR31603, Austenitic, Duplex
Surface Roughness (Ra): Inner/Outer Surface: 0.2μm & 0.6μm
Standards: ASTM/ASME, JIS, GB, EN
Size Tolerance: According to international standards
Facility Overview
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Our focus is the production of BA, AP, MP, and EP ultra-pure stainless steel clean tubes and precision heat exchanger tubes. We supply high-quality, reliable stainless steel pipes and fittings to various industries worldwide.

Factory Facility
Packaging & Customer Engagement
Packing 1
Packing 2
Packing 3
Customer Visit
Frequently Asked Questions
Q: What types of stainless steel pipes do you mainly produce?
A: We specialize in manufacturing welded and seamless stainless steel pipes suitable for pressure-bearing, high-temperature, and corrosive environments, including BA, EP, and MP finishes.
Q: Which international standards do your products comply with?
A: Our products strictly adhere to ASTM A312, ASTM A269, ASME SA312, EN 10216-5, and JIS G3459 standards. Relevant certificates can be provided upon request.
Q: What is the typical lead time for an order?
A: For stock items, the lead time is approximately 7 days. For standard production orders (1-10 Tons), it usually takes 15-30 days depending on the specifications.
Q: What is the Minimum Order Quantity (MOQ)?
A: For standard products, the MOQ is generally 1 ton. Custom or non-standard products may require a higher MOQ depending on production complexity.
Q: How do you express the "Specification" of your pipes?
A: Specifications are defined by Outer Diameter (O.D.) and Wall Thickness (W.T.), expressed in metric (mm) or imperial units (Inch/BWG), along with the required length.
Q: What surface roughness levels can you achieve?
A: We can achieve Ra ≤ 0.10μm for electropolished (EP) pipes and offer various grades between 0.2μm and 0.6μm for BA and MP surfaces.

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