Surface finish, oil resistance, and a passivation layer are three specifications that must be met by stainless steel sanitary pipes. In order to avoid fluid substances from building a wall in the pipe, which may easily pollute over time and cause the pipe to clog, the inner wall and surface of the steel pipe need to be polished to make the surface shine. The steel pipe is polished, placed in a passivation tank to create passivation, and then an oil-proof cleaning is done to remove the oil stains from the steel pipe's surface. The major goal is to prevent the fluid substance inside the pipe from becoming contaminated by the oil on the pipe itself.
The inner surface polishing of sanitary stainless steel pipe, which reduces resistance and increases fluidity when conveying fluids, makes the fluid stainless and prevents it from being tainted by fluid impact flakes off the pipe wall debris. It also makes the inner wall of the steel pipe difficult to scale, ensuring health safety. Coupled with its high precision surface polish, pipe wall homogeneity, corrosion resistance, temperature resistance, and other properties.
Specification of 304 Stainless Steel Hygienic Tube
|
Product Name |
304 Stainless Steel Hygienic Tube |
|
Specification |
ASTM A270/ASME SA270, DIN 11850 |
|
Standard |
ASTM, DIN, EN, JIS |
|
Type |
Seamless, Welded |
|
Material |
SS 304 |
|
Outside Diameter |
1/2" - 6" in. |
|
Wall Thickness |
1.65 mm - 2.77 mm |
|
Length |
1 m -12 m, or as required |
|
Surface Finished |
EP, BA |
|
Payment Terms |
T/T, L/C |
|
Delivery Time |
50-80 days, as per quantity required |
Chemical Composition (%) of 304 Stainless Steel Hygienic Tube
|
Chemical Composition (%) |
|||||||
|
C, max |
Mn, max |
P, max |
S, max |
Si, max |
Cr |
Ni |
Fe |
|
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.00-20.00 |
8.00-11.00 |
Rest |
Mechanical Properties of 304 Stainless Steel Hygienic Tube
|
Mechanical Properties |
|||
|
Tensile Strength, MPa, min |
Yield Strength, MPa, min |
Elongation (%), min |
Hardness, max |
|
515 |
205 |
40 |
201 HB |
Dimensional Tolerances of 304 Stainless Steel Hygienic Tube
|
Dimensional Tolerances |
||||||||||
|
Outside Diameter |
Wall Thickness |
Length |
Weight, Kg/M |
|||||||
|
Size |
Tolerances |
Size |
Tolerances |
Tolerances |
||||||
|
+ |
- |
|||||||||
|
1/2" |
12.7 |
±0.005" |
0.13 |
0.065" |
1.65 |
±10.0% |
1/8" |
3.18 |
0 |
0.4571 |
|
3/4" |
19.1 |
±0.005" |
0.13 |
0.065" |
1.65 |
±10.0% |
1/8" |
3.18 |
0 |
0.7218 |
|
1" |
25.4 |
±0.005" |
0.13 |
0.065" |
1.65 |
±10.0% |
1/8" |
3.18 |
0 |
0.9824 |
|
1 1/2" |
38.1 |
±0.008" |
0.20 |
0.065" |
1.65 |
±10.0% |
1/8" |
3.18 |
0 |
1.5078 |
|
2" |
50.8 |
±0.008" |
0.20 |
0.065" |
1.65 |
±10.0% |
1/8" |
3.18 |
0 |
2.0331 |
|
2 1/2" |
63.5 |
±0.010" |
0.25 |
0.065" |
1.65 |
±10.0% |
1/8" |
3.18 |
0 |
2.5585 |
|
3" |
76.2 |
±0.010" |
0.25 |
0.065" |
1.65 |
±10.0% |
1/8" |
3.18 |
0 |
3.0797 |
|
4" |
101.6 |
±0.015" |
0.38 |
0.083" |
2.11 |
±10.0% |
1/8" |
3.18 |
0 |
5.2628 |
|
6" |
152.4 |
±0.030" |
0.76 |
0.109" |
2.77 |
±10.0% |
1" |
25.4 |
0 |
10.3909 |
Features of 304 Stainless Steel Hygienic Tube
- Good resistance to high temperature
- Good corrosion resistance
- High dimensional accuracy
- Good internal and external surface finish
- Good pressure-bearing capacity
Application of 304 Stainless Steel Hygienic Tube
Commonly used in pharmaceutical plants, food plants, beverage plants, breweries and other piping with high safety requirements.
Sanitary equipment also need to use stainless steel hygienic pipe, such as water purification equipment, water circulation system, fermentation tanks, etc.
TS supplies various specifications of hygienic stainless steel tubes, hygienic stainless steel seamless tubes, hygienic stainless steel welded tubes and other products all year round.
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