JIS G3447 304TBS 304LTBS 316TBS 316LTBS Stainless Steel Steel Tube Thin Wall Pipes for Sanitary
Material
JIS G3447 specifies the requirements for stainless steel thin-walled pipes used in sanitary applications. The primary materials covered under this standard include various grades of stainless steel, particularly 304 and 316, which are known for their excellent corrosion resistance and hygienic properties.
Specification
The standard outlines the dimensions, tolerances, and mechanical properties of the thin-walled stainless steel pipes. These pipes are typically used in industries such as food processing, pharmaceuticals, and biotechnology, where cleanliness and corrosion resistance are paramount.
Key Features
- Corrosion Resistance: Excellent resistance to rust and corrosion, making it suitable for sanitary applications.
- Hygienic: Smooth surface finish that minimizes bacterial growth.
- Durability: High strength-to-weight ratio, ensuring longevity and reliability.
- Versatility: Suitable for a wide range of applications in various industries.
Chemical Composition
| Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) |
| 304TBS | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 18.00 | 8.00 | - |
| 304LTBS | 0.03 | 1.00 | 2.00 | 0.045 | 0.030 | 18.00 | 8.00 | - |
| 316TBS | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 16.00 | 10.00 | 2.00 |
| 316LTBS | 0.03 | 1.00 | 2.00 | 0.045 | 0.030 | 16.00 | 10.00 | 2.00 |
Mechanical Properties
| Property | 304TBS | 304LTBS | 316TBS | 316LTBS |
| Yield Strength (MPa) | ≥ 215 | ≥ 185 | ≥ 220 | ≥ 200 |
| Tensile Strength (MPa) | ≥ 505 | ≥ 485 | ≥ 515 | ≥ 490 |
| Elongation (%) | ≥ 40 | ≥ 45 | ≥ 40 | ≥ 45 |
| Hardness (HRB) | ≤ 90 | ≤ 90 | ≤ 90 | ≤ 90 |
Steel Grade
The primary steel grades covered under JIS G3447 are:
- 304TBS: Standard grade for general applications.
- 304LTBS: Low carbon variant for improved weldability.
- 316TBS: Offers better corrosion resistance due to the addition of molybdenum.
- 316LTBS: Low carbon variant of 316 for enhanced weldability.
Application
These stainless steel thin-walled pipes are widely used in:
- Food and beverage processing
- Pharmaceutical manufacturing
- Biotechnology applications
- Dairy and dairy product processing
- Chemical processing
Possible Alternative Grades
While JIS G3447 primarily focuses on the 304 and 316 grades, alternative grades that may be considered for similar applications include:
- AISI 201: A lower-cost alternative with moderate corrosion resistance.
- AISI 430: Ferritic stainless steel suitable for less corrosive environments.
- AISI 321: Offers better high-temperature stability compared to 304.
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trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
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The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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