Precision Steel Pipe JIS G3459 SUS316L Steel
1. Standard Compliance: JIS G3459
JIS G3459 is a comprehensive standard that regulates the dimensions, quality, and performance of stainless - steel pipes in Japan. Pipes meeting this standard must adhere to strict requirements regarding diameter, wall thickness, straightness, and surface finish. For example, the diameter tolerance of the precision steel pipe is tightly controlled to ensure seamless integration with other components in a piping system. The straightness requirements guarantee that the pipe can be installed easily and without causing unnecessary stress on the joints. The surface finish of the pipe is also specified, which is crucial for applications where cleanliness and corrosion resistance are of utmost importance. This standard compliance ensures that the SUS316L precision steel pipe is a reliable and high - quality product that can be used in a wide range of industries.
2. Material Characteristics: SUS316L Steel
SUS316L is an austenitic stainless steel with a low carbon content (max 0.03%). This low - carbon feature is significant as it minimizes the risk of carbide precipitation during welding, maintaining the pipe's corrosion resistance even in welded areas. The alloy contains approximately 16 - 18% chromium, which forms a passive oxide layer on the surface of the pipe, protecting it from oxidation and corrosion. Nickel, with a content of 10 - 14%, enhances the steel's toughness and ductility, allowing the pipe to withstand mechanical stress without cracking. The addition of 2 - 3% molybdenum is a key factor in SUS316L's superior performance. Molybdenum significantly improves the pipe's resistance to pitting and crevice corrosion, making it ideal for use in harsh environments, such as those with high chloride content.
3. Precision Manufacturing Process
The production of Precision Steel Pipe JIS G3459 SUS316L Steel involves advanced manufacturing techniques. High - quality SUS316L steel billets are carefully selected as the raw material. These billets are then processed through a series of operations, including hot - rolling, cold - drawing, and annealing. The hot - rolling process shapes the steel into a rough pipe form, while cold - drawing refines the dimensions and improves the surface finish. Annealing is carried out to relieve internal stresses and enhance the material's mechanical properties. During the manufacturing process, precision machinery and strict quality control measures are employed to ensure that the pipe meets the exacting standards of JIS G3459. Each pipe is thoroughly inspected for dimensional accuracy, surface defects, and mechanical properties.
|
Mechanical Composition: |
||||
|
Steel Grade |
YS(Mpa) |
TS(Mpa) |
EL(%) |
HRB |
|
304 |
≥205 |
≥515 |
≥35 |
≤90 |
|
304L |
≥170 |
≥485 |
≥35 |
≤90 |
|
316 |
≥205 |
≥515 |
≥35 |
≤90 |
|
316L |
≥170 |
≥485 |
≥35 |
≤90 |
|
316Ti |
≥205 |
≥520 |
≥40 |
≤90 |
|
321 |
≥205 |
≥515 |
≥40 |
≤95 |
|
410 |
≥205 |
≥440 |
≥20 |
≤201 |
|
Chemical Composition: |
|||||||||
|
Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Ti |
|
1.4301 |
≤0.07 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.015 |
17.0-19.5 |
8.0-10.0 |
- |
- |
|
1.4307 |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.015 |
17.5-19.5 |
8.0-10.5 |
- |
- |
|
1.4401 |
≤0.07 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.015 |
16.5-18.5 |
10.0-13.0 |
2.0-2.5 |
- |
|
1.4404 |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.015 |
16.5-18.5 |
10.0-13.0 |
2.0-2.5 |
- |
|
1.4571 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.040 |
≤0.015 |
16.5-18.5 |
10.5-13.5 |
2.0-2.5 |
5C-0.7 |
Hot Tags: precision steel pipe jis g3459 sus316l steel, China precision steel pipe jis g3459 sus316l steel manufacturers, suppliers, factory, welded stainless steel pipe grade, welded stainless steel pipe installation, stainless steel welded tubing assembly, stainless steel welded pipe, stainless steel welded pipe manufacturing process, Welded 304 Stainless Steel Tubing
You Might Also Like
Send Inquiry