Y & G International Trading Company Limited
Survival by quality; Development by Integrity.
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ASTM A790 A789 ASME SA789 Stainless Steel Tubing Duplex Stainless Steel UNS S32205 UNS S31803 9.5 “ SCH20
Product Standard: ASME SA789, ASTM A789 A790
Main steel grades: UNS S32205,S31803,S31200,S32550...
Application:
1. Chemical processing, transport and storage,
2. Oil and Gas exploration and processing equipment,
3. Marine and other high chloride environments,
4. Pulp and paper digesters, liquor tanks and paper machines.
Features:
S32205 seamless pipe is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades.
Chemical Composition & Physical Properties:
| Chemical Composition | |||||||||||
| UNS Designation | C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu | Others |
| S32205 | 0.03 | 2 | 0.03 | 0.02 | 1 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 | 0.14-0.20 | … | … |
| UNS Designation | Tensile Strength, min, ksi (Mpa) | Yield Strength, min, ksi (Mpa) | Elongation in 2 in. or 50mm, min, % | Hardness, max. | |
| S32205 | 95 (655) | 70 (485) | 25 | 290 | 30 |
Mark: As required.
Inspection and Test: chemical composition test, mechanical properties test(tensile, yield, elongation), process properties test(flatting, flaring, bending, hardness, impact, etc.), appearance and size test, non-destructive inspection test, hydrostastic test.
Delivery status: Annealed, normalized, normalized+Tempered, etc.
Surface treatment: oil impregnation, paint, passivation, phosphating, shot blasting etc.
Packing: Exporting package/wooden box /as requirement.
