Mirror polish Sanitary Stainless Steel Pipe Seamless and Welded Austenitic steel food processing
This specification covers grades of seamless and welded
austenitic stainless steel sanitary tubing intended for use in the
dairy and food industry and having special surface finishes.
Pharmaceutical quality may be requested, as a supplementary
requirement
All materials should supply after hot-treatment. Except the for duplex stainless steel materials S31803, S32003, S320205, S32750, N08926 and N08367, in these cases it shall consist of heating the material to a minimum temperature of 1900 ℉ (1040 ℃) and quenching in water or rapid cooling by other means.
Product description:
1. 100% PMI,Spectro Chemical Aanlysis Test for Raw Material
2. 100% Dimension & Visual Examination
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test
4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT)
5. Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)
6. Straightness Test (optional)
7. Roughness Test (optional)
8. Intergranular Corrosion Test(optional)
9. Impact Test (optional)
10. Grain Size Determinations (optional)
NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.
| Size | OD Inches | ID Inches |
| | | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
| 1/2″ | .84″ | 0.71″ | .92″ | .622″ | .546″ | 0.464″ |
| 3/4″ | 1.05″ | .920″ | .884″ | .828″ | .742″ | 0.612″ |
| 1″ | 1.315″ | 1.185″ | 1.097″ | 1.049″ | .957″ | .815″ |
| 1 1/2″ | 1.9″ | 1.77″ | 1.682″ | 1.610″ | 1.50″ | 1.338″ |
| 2″ | 2.375″ | 2.245″ | 2.157″ | 2.067″ | 1.939″ | 1.687″ |
| 3″ | 3.5″ | 3.334″ | 3.760″ | 3.068″ | 2.901″ | 2.624″ |
| 4″ | 4.5″ | 4.334″ | 4.26″ | 4.026″ | 3.726″ | 3.438″ |
complementary:
All material shall be furnished in the heat-treated
condition. The heat treatment procedure, except for N08926
and N08367, shall consist of heating the material to a minimum
temperature of 1900°F (1040°C) and quenching in water or
rapid cooling by other means
| Chemical Composition about stainless steel pipe | | |
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| 201 | ≤0.15 | ≤0.75 | 5.5-7.5 | ≤0.06 | ≤0.03 | 3.5-5.5 | 16.0-18.0 | - |
| 202 | ≤0.15 | ≤1.0 | 7.5-10.0 | ≤0.06 | ≤0.03 | 4.-6.0 | 17.0-19.0 | - |
| 301 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 6.0-8.0 | 16.0-18.0 | - |
| 302 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 8.0-10.0 | 17.0-19.0 | - |
| 304 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 8.0-10.5 | 18.0-20.0 | - |
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Mirror Polish Sanitary Tube Welding Food Processing Industrial A270 Standard Images
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