Stainless Steel Welded Tube ASTM A270 JIS G3447
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We specialize in providing premium-quality sanitary stainless steel pipes that conform to ASTM A270 and JIS G3447 standards. These pipes are specifically designed for fluid delivery systems in industries such as food, pharmaceuticals, dairy, and chemicals. Manufactured using high-grade materials, our stainless steel pipes feature a smooth surface to prevent contamination, maintaining the purity and safety of transported fluids.
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ASTM A270 JIS G3447 Specification
Standard: ASTM A270 JIS G3447
Material/Steel Grade: TP304, TP304L, TP316L, SUS304TBS
Application: Sanitary Tubes
Size: OD: 25.4~165.2mm WT: 0.8~3.05mm
Finish: Mill,220/320/400/600 Grit
Services: Bending – Cutting – Grooving – Polishing – Threading
OUTSIDE DIAMETER | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/2″ (IN) | 5/8″ (IN) | 3/4″ (IN) | 7/8″ (IN) | 1″ (IN) | 1 1/4″ (IN) | – | 1 1/2″ (IN) | 2″ (IN) | 2 1/2″ (IN) | 3″ (IN) | 3 1/2″ (IN) | 4″ (IN) | 41/2″ (IN) | ||
THICKNESS MM | THICKNESS GAUGE | 12.7 (MM) | 15.9 (MM) | 19 (MM) | 22.2 (MM) | 25.4 (25) (MM) | 31.8 (32) (MM) | 35 (MM) | 38.1 (38) (MM) | 50.8 (51) (MM) | 63.5 (MM) | 76.2 (MM) | 88.9 (MM) | 101.6 (MM) | 114.3 (MM) |
1.20 | – | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | – | – | – | – |
1.25 | 18 | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | – | – | – | – |
1.50 | – | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | – |
1.60 | – | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | – |
1.65 | 16 | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | – |
2.00 | – | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ |
2.11 | 14 | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ | ＊ |
Remark | (1)Marking： Product Spec. for ASTM A249/A270, JIS G3447/G3463, CNS 6668/7383, AS 1528.1 (2)＊：Product Spec. for ASTM A269 | ||||||||||||||
About ASTM A270 JIS G3447
Stainless Steel Welded Tube Standards: ASTM A270 and JIS G3447
ASTM A270 and JIS G3447 are two prominent standards specifying requirements for stainless steel welded tubes used in various sanitary applications. Each caters to specific industries and regional needs.
ASTM A270
This standard applies to seamless and welded austenitic stainless steel tubing designed for use in the dairy, food, pharmaceutical, and biotechnology industries. Key specifications include:
- Chemical Composition: Defines the material’s alloy content.
- Mechanical Properties: Includes tensile strength, yield strength, and elongation.
- Dimensions and Tolerances: Covers outside diameter, wall thickness, and length.
- Surface Finish: Specifies roughness levels and cleaning requirements for sanitary applications.
- Nondestructive Testing: Includes methods like eddy current or hydrostatic tests to ensure structural integrity.
- Heat Treatment: Requirements for thermal processing, if applicable.
- Packaging and Marking: Ensures tubes are appropriately labeled and protected during transport.
Applications: This standard is widely recognized in the United States and internationally, making it a preferred choice in industries requiring stringent hygiene, such as dairy and pharmaceuticals.
JIS G3447
This Japanese Industrial Standard is intended for seamless and welded stainless steel pipes used in the food, beverage, and pharmaceutical sectors. Its specifications include:
- Chemical Composition: Defines the alloy’s makeup.
- Mechanical Properties: Similar to ASTM A270, specifying tensile strength, yield strength, and elongation.
- Dimensions and Tolerances: Covers tube sizes and allowable variations.
- Surface Finish: Ensures smooth, clean surfaces to prevent contamination.
- Nondestructive Testing: Employs methods like eddy current or hydrostatic testing for quality assurance.
- Heat Treatment: Applicable when necessary to meet performance criteria.
- Packaging and Marking: Details how tubes should be packed and labeled.
Applications: Primarily used in Japan, this standard aligns with regional requirements and is designed for similar sanitary environments as ASTM A270.