ASTM A312 TP321H ss pipe has excellent corrosion resistance and mechanical properties, so it is widely used in petroleum, chemical, electric power, shipbuilding, environmental protection and other fields.
ASTM A312 TP321Hstainless steel tubing has high resistance to intergranular corrosion and good corrosion resistance to some organic and inorganic acids (especially in oxidizing media). In addition, 321H stainless steel seamless pipes will be hydraulically pressure tested one by one to ensure that the steel pipe remains at the specified pressure value for no less than 5 seconds without water leakage or seepage.
Products Data
SS 321h Pipe Chemical Composition
| Grade | UNS | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo | Ni |
| 321H | S32109 | 0.04-0.1 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | - | 9.0-12.0 |
A312 TP321h Pipe Mechanical Properties
|
Mechanical properties |
Tensile, min, ksi[MPa] |
Yield, min, ksi[MPa] |
Elongation, %(min) |
Hardness, HB(max) |
|
TP321H |
75【515】 |
30【205】 |
35 |
192 |
OD: 6.00mm to 914.4mm, 1/2" to 48"
Thickness Range: 0.3mm - 50mm, SCH 5, SCH 10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Length: Single Random, Double Random and Required Length
Technology: Hot Rolled, Hot Finished, Cold Rolled, Cold Drawn
Forms: Seamless Tubes and Pipes, SAW/ERW/EFW Tubes and Pipes
Ends: PE (Flat End), BE (Bevel End)
Standards: ASME B36.10, ASME B36.19
Products display
ASTM A312 TP321H stainless steel round tube
Why Choose GNEE
Gnee covers an area of 35,000 square meters and has more than 200 employees, including 80 technicians. We have established an effective and complete quality control and assurance system. The company has also obtained ISO9001 quality system certification.
If you would like to know more about our company or our products, please feel free to contact us.sales@gneetube.com
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FAQ
Q.How do we trust your company?
A. We specialist in steel business for many years, authenticated by SGS,welcome to visit our factory.
Q: What services do you provide?
A: Customized service for each customer, please feel free to contact us!
Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
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