Duplex Steel UNS S31803 / S32205 Tubes Manufacturer

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Silver Tubes is one of the prominent exporters of Duplex Stainless Steel UNS S32205 Tubes / Stainless Steel UNS S31803 Seamless Tubes, which resists chloride environments and sulphide stress corrosion. UNS S32205 Seamless Tubes is roughly double the strength of standard austenitic stainless steels. UNS S32205 Welded Tubes recommend a maximum hot forming temperature between 2010 Degree F and 2100 Degree F (1100 Degree C to 1150 Degree C). If the shape of the work piece is not compact in UNS S32205 EFW Tubes, the edges may be significantly cooler than the bulk, and there is a risk of cracking in the cooler regions. Duplex Steel UNS S32205 ERW Tubes are somewhat more difficult to machine than the 300 series austenitic stainless steels. On the other hand, higher cutting forces in UNS S31803 Seamless Tubes are required, and more rapid tool wear is typical.

Duplex SS UNS S31803 Welded Tubes gives better-guaranteed corrosion resistance and has excellent general corrosion resistance. UNS S31803 EFW Tubes is superior to Stainless Steel 316 in most environments that have shown good formability in various fabrications. However, stainless Steel UNS S31803 ERW Tubes is not usually appropriate for use at temp beyond 300 Degree C. It agonizes from precipitation neither of hard microelements nor below -50 Degree C because of its ductile-to-brittle-transition. Duplex 2205 Tubes is two-phase, ferritic, austenitic 22% chromium, 3% molybdenum, 5-6 % nickel alloyed stainless steel.

Stainless Steel UNS S32205/S31803 Tubes

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Duplex Stainless Steel UNS S32205/S31803 Tube Specification
Specifications ASTM A789 / ASME SA789
Dimensions ASTM, ASME and API.
Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type Seamless / ERW / Welded / Fabricated / CDW
Seamless Tubes Sizes 1/2" NB - 8" NB
Welded Tubes Sizes 6" NB - 24" NB
Length Single Random, Double Random & Required Length
End Plain End, Beveled End, Treaded
Outer Diameter 6.0-630mm
Thickness 0.3mm – 50 mm

ASTM A789 Duplex Steel S32205/S31803 Tubes Equivalent Grades

STANDARD UNS WERKSTOFF NR.
Duplex 2205 S31803 / S32205 1.4462

ASME SA789 Duplex Steel S32205/S31803 Tubing Chemical Composition

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
S32205 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21.0 – 23.0 2.50 - 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min

UNS S31803 / S32205 Duplex Stainless Steel Seamless and Welded Tubing Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
Duplex 2205 621 448 25 31 293

ASME SA789 Duplex Steel S32205/S31803 Tubes Physical Properties

  Density lbm/in3 Electrical Resistivity mW•in tdermal Conductivity (BTU/hr•ft•°F) Heat Capacity BTU/lbm•°F Electrical Resistivity (in x 10-6)
at 68°F 0.278 27.6 8.7 0.112 33.5
at 212°F   26.1 9.2 0.119 35.4
at 392°F   25.4 9.8 0.127 37.4
at 572°F   24.9 10.4 0.134 39.4

2205 Duplex Steel Tube size and weight

Dimensions Wall Weight per Dimensions Wall Weight per
(mm) (mm) metre (kg) (mm) (mm) metre (kg)
12.7 x 12.7 1.20 0.44 40 x40 1.20 1.49
12.7 x 12.7 1.50 0.55 40 x40 1.50 1.85
15 x 15 1.20 0.53 40 x40 2.00 2.45
15 x 15 1.50 0.65 40 x40 3.00 3.75
20 x 20 1.20 0.71 50 x50 1.50 2.32
20 x 20 1.50 0.88 50 x50 2.00 3.08
20 x 20 2.00 1.19 50 x50 3.00 4.65
25 x 25 1.20 0.92 60 x60 2.00 3.71
25 x 25 1.50 1.14 60 x60 3.00 5.49
25 x 25 2.00 1.49 70 x70 3.00 6.53
25 x 25 3.00 2.20 80 x80 2.00 4.98
30 x 30 1.20 1.10 80 x80 3.00 7.53
30 x 30 1.50 1.37 100 x 100 2.00 6.40
30 x 30 2.00 1.84 100 x 100 3.00 9.53
30 x 30 3.00 2.72

UNS S31803 / S32205 Welded Tube Tolerances

O.D. Inches Wall Thickness Inches O.D. +/- Inches
1/2" to 1" incl. .025 to .065 .005
Over .065 to .134 .010
1 to 1-1/2" incl. .025 to .065 .008
Over .065 to .134 .010
1-1/2" to 2" incl. .025 to .049 .010
Over .049 to .083 .011
Over .083 to .148 .012
2" to 2-1/2" incl. .032 to .065 .012
Over .065 to .109 .013
Over .109 to .165 .014
2-1/2" to 3-1/2" incl. .032 to .165 .014
Over .165 to .220 .020
3-1/2" to 5" incl. .083 to .165 .020
Over .165 to .220 .025
Duplex Steel 2205 Tubes
Other types of Duplex Stainless Steel UNS S31803 / S32205 Tubes

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Supplier and Exporter of Duplex Steel UNS S32205/S31803 Tubes in Cities of India Like

Indore, Houston, Melbourne, Chandigarh, Los Angeles, Chiyoda, Vadodara, Seoul, Mexico City, Kanpur, Riyadh, New Delhi, Nashik, Jamshedpur, Faridabad, Jakarta, Courbevoie, Ernakulam, Abu Dhabi, Coimbatore, Ho Chi Minh City, Secunderabad, Baroda, Cairo, Toronto, Ludhiana, Sharjah, Nagpur, Colombo, Kuwait City, Hanoi, Ranchi, Jeddah, Thiruvananthapuram, Moscow, Istanbul, Al Khobar, Pimpri-Chinchwad, Santiago, Lagos, Brisbane, Atyrau, Singapore, Gimhae-si, Al Jubail, Granada, Kolkata, Caracas, Rajkot, Busan, Dubai, Algiers, Doha, Pune, Karachi, Bengaluru, Manama, Dammam, Lahore, Geoje-si, Muscat, Bangkok, Bogota, Bhopal, Surat, Rio de Janeiro, Navi Mumbai, Hyderabad, London, New York, Vung Tau, Calgary, Mumbai, Milan, Haryana, Madrid, La Victoria, Dallas, Ulsan, Montreal, Jaipur, Visakhapatnam, Sydney, Chennai, Kuala Lumpur, Aberdeen, Perth, Hong Kong, Port-of-Spain, Thane, Petaling Jaya, Howrah, Gurgaon, Tehran, Ahmedabad, Ankara, Ahvaz, Noida, Edmonton.

Supplier and Exporter of Duplex Stainless Steel UNS S32205/S31803 Tubes in Countries Like

Oman, United Arab Emirates, Bulgaria, Netherlands, Ghana, Nigeria, Spain, Puerto Rico, Denmark, South Africa, Thailand, United Kingdom, Sweden, Nepal, Macau, Chile, United States, Morocco, New Zealand, Romania, Ecuador, Trinidad & Tobago,Tunisia, Nigeria, Zimbabwe, Kuwait, Jordan, Kazakhstan, Azerbaijan, Poland, India, Costa Rica, Germany, Finland, France, Colombia, Mongolia, Norway, China, Pakistan, Namibia, Ireland, Slovakia, Mexico, Libya, Serbia, Lithuania, Brazil, Algeria, Argentina, Mexico, Iran, Ukraine, Venezuela, Saudi Arabia, Israel, Japan, Angola, Turkey, Yemen, Peru, Poland, Hong Kong, Italy, Afghanistan, Russia, Singapore, Gabon, Taiwan, Vietnam, Indonesia, Bahrain, Iraq, Estonia, Kenya, Iran, Egypt, Belgium, Croatia, Gambia, Austria, South Korea, Bangladesh, Portugal, Australia, Tibet, Philippines, Hungary, Qatar, Belarus, Chile, Greece, Bhutan, Bolivia, Malaysia, Switzerland, Czech Republic, Canada, Sri Lanka, Lebanon.