Stainless Steel Bright (BA) Pipe

Nina Li-Teda Ganghua
2 min readApr 30, 2024

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316L 310S 2205 polished 8k bright tube for decorative

Stainless Steel Bright (BA) Pipe: Overview and Features

Introduction

Stainless steel bright BA pipe, also known as clean pipe or bright annealed pipe, serves various purposes such as seamless gas pipelines and high-purity gas transportation.

Features

Production Standards: ASTM A269/ASTM A270/ ASME A270-BPE/ EN10216–5/ EN10305–1/ISO 1127

1. Specifications:

  • Imperial: 1/4”, 3/8”, 1/2”, 5/8”, 3/4”, 1”, 1–1/4”, 1–1/2”
  • Metric: 6, 8, 10, 12, 16, 18, 20, 25, 32, 38

2. Materials: 304/304L, 316/316L, 1.4301/1.4307, 1.4404/1.4435

3. Key Features:

  • Accurate dimensions
  • Smooth surface
  • Clean overall appearance
  • Low roughness
  • High cleanliness
  • Ultra-high purity
  • High tolerance
  • Excellent inner surface roughness (inner surface Ra < 0.4 μm or better)

4. Delivery Status: Bright annealing (BA)

5. Applications: Stainless steel BA tubes are commonly used for specialized gas or liquid transport and serve as the base material for EP tubes, as well as in polysilicon and related fields.

6. Packaging Instructions:

  1. Pipes undergo ultrasonic cleaning and drying before packaging.
  2. They are capped at both ends and packaged individually in single-layer PE packaging.
  3. Optional ultra-pure water cleaning (18 megohm @ 25 degrees Celsius), nitrogen drying, and Class1000 clean room packaging are available for BA stainless steel tubes.

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