ASME SA 790 UNS S31803 Seamless Pipe
1. Standard: ASTM A790, ASME SA790
2. Size: 1/2''~48''
3. Thickness: SCH5~SCHXXS
4. Thickness: 5S, 10S, 40S, 80S, 160S
Duplex UNS S31803 Seamless Pipe, ASTM A790 Duplex Steel 2205 Pipe, Werkstoff Nr. 1.4462 Duplex Pipe Material Supplier, Manufacturer
ASME SA 790 UNS S31803 Pipe has ferritic and austenitic alloy properties, and the overall performance is higher than ordinary stainless steel pipes such as 316 and 316L. And it has been enhanced in corrosion resistance. SS 2205 pipes are designed for purposes and applications that must resist corrosion and also perform well in aqueous environments. The duplex S31803 stainless steel pipes we provide are heat treated at specified temperatures and immersion conditions. We are an Alloy 2205 supplier with 15+ export experience, contact us for more information and free quotes!
Industrial Uses ASME A790 UNS S31803 Seamless Pipe:
- Pulp mill digesters, bleach washers, wood chip pre-steaming vessels
- Oilfield pipelines and heat exchangers
- Chemical process vessels, pipelines and heat exchangers
- Flue gas desulfurization equipment
- Food processing equipment
ASME SA 790 S31803 Seamless Pipe Specification
| Specification | ASTM A790 ASME SA790 |
|---|---|
| Standard | ASTM, ASME, JIS, AISI, AMS, EN, SAE, DIN, NF, TOCT, DS, DTD, GB |
| Size | 4 to 219mm W. T.: 0.5 to 20mm |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish, etc |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Length | Single Random, Double Random, Standard & Cut length Pipe |
| Form | Round, Square, Hollow, Rectangular, Hydraulic, Coiled, Straight Pipes, "U" Shape, Pan Cake Coils etc. |
Hot Working And Forming
The billet is heated to a high temperature range of 1200°C - 1300°C. The solid billet is processed into a hollow pipe billet using a piercing machine (such as a Mannesmann piercer). Seamless pipes have higher compression resistance than welded pipes.
UNS S31803 Material Heat Treatment
Duplex stainless steel is usually solution annealed at a temperature of 1020°C to 1100°C, followed by rapid cooling (such as water quenching or air cooling).
ASTM A790 UNS S31803 Seamless Pipes Test
- Chemical analysis - Spectroscopic analysis
- Intergranular corrosion (IGC) test
- Hardness test
- Flattening test
- Expansion test
- Positive material identification - PMI test
- Micro and macro tests
- Pitting resistance test
- Mechanical tests such as area tensile
FAQ
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Q: Exported Countries
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