Super Duplex SS UNS S31803 Capillary Tubing
Materials:S31803/2205
Product Name:Duplex Stainless Steel Tube
Standard:ASME SA789
Length MAX:12000MM Max.
Shape:Round
Surface:Bright Annealed
Send E-mail:info@gneestainless.com
Tel:+8615824687445
Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of super duplex ss uns s31803 capillary tubing in China. With abundant experience, we warmly welcome you to wholesale customized super duplex ss uns s31803 capillary tubing from our factory. For price consultation, contact us.
Super Duplex Stainless Steel UNS S31803 pipe is a nickel-saving stainless steel with high nickel, high chromium, high molybdenum composition, good pitting resistance and high strength.
UNS S31803, also known as 2205 duplex stainless steel, is an austenite-ferrite duplex stainless steel. During the heat treatment process, austenite and ferrite coexist in a ratio of about half each, forming a unique duplex structure.
UNS S31803 stainless steel seamless pipe has a variety of specifications, with an outer diameter ranging from 6mm to 630mm and a wall thickness from 0.3mm to 100mm.
Products Data
Chemical Composition of Duplex Steel S31803 Bright Annealed Tubes
| GRADE | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
Mechanical Properties of Ferritic Duplex Steel S31803 Tubing
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Products Display
High Pressure ASTM A789 UNS S32760 Tube
Why choose GNEE
GNEE production line is equipped with cold drawing machine, cold rolling machine, natural gas high temperature solution treatment furnace, closed pickling equipment, straightening machine, material testing machine, eddy current flaw detector, ultrasonic flaw detector, physical and chemical laboratory CS analyzer and other production and testing equipment.
Contact us now for a free estimate. info@gneestainless.com
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FAQ
1. Are you a factory or a trading company?
GNEE is a company with two factories and one warehouse, producing stainless steel/(super) duplex/nickel alloy seamless tubes and pipes.
But we can also provide welded stainless steel tubes and fittings, coils, sheets, bars, plates, etc.
2. Do you have any certificates?
We have obtained ISO9001:2015, ISO14001:2015, ISO45001:2018, BV Marine and Offshore Vessel Classification Association, GOST, TUV, PED AD2000 and other certifications.
And will soon obtain ABS/NORSOK/DNV/CU-TR(EAC).
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