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| Brand Name: | Jinxi Pipe |
| Model Number: | Stainless steel pipe |
| MOQ: | 1 |
| Price: | 3000USD/TON |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability: | 10000000 |
ASTM A789 S31803 Stainless Steel Tube For Oil and Gas
Specifications
ASTM A789 S31803 Stainless Steel Tube is a cost-effective solution for many purposes, especially since stainless steels belonging to 300 series tend to be sensitive to chloride ion stress related corrosion cracking. The ASTM A789 is a specification which satisfies approved requirements for grades of nominal wall thickness, Duplex pipe for those applications which require properties such as - resistance to general corrosion. The specification also places critical emphasis on the resistance of ASTM A789 UNS S32205 to stress related corrosion cracking.
| American Standard | Standard Name |
| A 789 / SA 789 | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
ASTM A789 S31803 Stainless Steel Tube Chemical Composition
(Sources American Standard A789 / A789M TABLE 2 Chemical Requirements)
| UNS Designation A | C | Mn | P | S | Si | Ni | Cr | Mo | N |
| S31803 | 0.03 | 2 | 0.03 | 0.02 | 1 | 4.5–6.5 | 21.0–23.0 | 2.5–3.5 | 0.08–0.20 |
ASTM A789 S31803 Stainless Steel Tube Mechanical Properties
(Sources American Standard A789 / A789M TABLE 1 Tensile and Hardness Requirements)
| UNS Designation | Tensile strength, | Yield strength, | Elongation | Hardness | |
| min, | min | in 2 in. or 50 | |||
| ksi[MPa] | ksi[MPa] | mm, min,% | Brinell | Rock-well C | |
| S31803 | 90 [620] | 65 [450] | 25 | 290 | 30.5 |
ASTM A789 S31803 Stainless Steel Tube Application