ASTM A790 UNS S31803
ASTM A790 UNS S31803 duplex stainless steel pipe in the three duplex steel in the most widely used.
ASTM A790 UNS S31803
ASTM A790 UNS S31803 Duplex Stainless Steel pipe
ASTM A790
ASTM A790 standard includes seamless and straight seam welded ferrite / austenitic steel pipes for use in conventional corrosion processes with severe corrosion and corrosion cracking.
S31803 is a steel grade in the ASTM A790 standard.
S31803 duplex stainless steel pipe is a good stress-resistant chloride stress in the alloy duplex stainless steel. S31803 duplex stainless steel pipe in the three duplex steel (2205 duplex stainless steel tube, 2507 duplex stainless steel tube, S31803 duplex stainless steel, stainless steel, stainless steel, stainless steel, Seam pipe) in the most widely used.
ASTM A790 UNS S31803 Duplex Stainless Steel pipe Specifications
【Grade】ASTM A790
【Material】S31803.
【Type】Duplex Stainless Steel pipe.
【WT】SCH 160.
【Size】8 Inch.
【Length】 6M.
【Ends】Bevelled Ends (BE).
Additional Info
【Payment Terms】T / T, LC
【Surface】Coloring treatment.
【Marking】Standard + Steel Grade + Size + Heat No + Lot No
【Package】 According To Per Customers' Require
【Delivery time】Tubes will be completed within 30 days, and urgent delivery time can be discussed.
Application
Petrochemical and chemical industry \ chemical industry pipelines \ oil and gas industry \ pulp and paper industry \ fertilizer industry \ urea industry \ phosphate fertilizer industry \ equipment.
ASTM A790 S31803 Duplex Stainless Steel pipe Chemical Composition
| Grade | Chemical Composition(%) | ||||||||
| C | Mn | P | S | Si | Ni | Cr | Mo | N | |
| ASTM A790 S31803 | ≤0.030 | ≤2.00 | ≤0.030 | ≤0.020 | ≤1.00 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 |
ASTM A790 S31803 Duplex Stainless Steel pipe Mechanical property
| Grade | Mechanical property | |
| Tensile Strength(MPa) | Yield Strength(MPa) | |
| ASTM A790 S31803 | ≥620 | ≥450 |
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