BA grade fittings are made of 304 and 316L materials, with quality standards including ASTM A249, A269, A270, 3A, etc. This type of pipe fitting requires high dimensional accuracy and high wall smoothness, and requires degreasing and oil removal treatment. Mainly used in biopharmaceuticals, high-purity gases, electronic cleanrooms, and other gas pipeline systems with ultra-high purity requirements.

The characteristics of BA grade stainless steel pipes are as follows:

Diameter control: tolerance ± 0.05mm (0.1%);

Length control: tolerance ± 3mm;

Straightness: less than 0.1mm/m;

Surface roughness: BA tube Ra ≤ 0.8 μ M;

Concentricity control: tolerance ± 0.02mm;

Mechanical performance control: can control the hardness HRB (75-80) and strength δ B and elongation Ψ Perform adjustment control;

Heat treatment: Solidification treatment under a protective atmosphere;

Cleaning: Ultrasonic cleaning, with independent intellectual property technology to ensure its cleanliness;

Non destructive testing, ultrasonic testing, water pressure testing and other methods are used to ensure the inherent quality of the product.

Jinchuang Baoxiang (Suzhou) Pipe Valve Co., Ltd