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Manifest Alloys

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Super Duplex Tube

Super duplex tube


Table of Content



Supplier of SDSS Seamless Tubing in India, Check Specification Table for Detail Information

Super Duplex Tube Specification

SDSS Tube

Sizes of SDSS Tube

  • OD: 1mm up to 45mm (0.04″ to 1 5/8”)
  • Welded tubes OD :up to 38.1mm / 1 1/2″
  • Size: 6” to 24”
Super Duplex Seamless Tube

Wall Thickness of Super Duplex Seamless Tube

  • 0.25 mm up to 6.35mm
SDSS Welded Tube

American Stanadards of SDSS Welded Tube

  • ASTM A928
  • ASTM A789

Super Duplex SS Annealed tube

Manufacturing Methods of of Super Duplex SS Annealed tube

  • Hot Finished
  • Cold Finished
Super Duplex Stainless Steel Square Tube

Length of Super Duplex Stainless Steel Square Tube

  • up to 14m (45ft)
SS Super Duplex Tube

Mechanical Test of SS Super Duplex Tube

  • Reverse flattening test
  • Hardness test
  • Flange test (for sdss super duplex stainless steel welded tube)
  • Flaring test (for super duplex alloy seamless tube)
  • Tension test
  • 100% PMI tested
SDSS Redrawn Tube

EN Standards of SDSS Redrawn Tube

  • EN 10312
  • EN 10296-2
  • EN 10217-7
  • EN 10297-2
  • EN 10216-5
Super Duplex Tubing

Thickness of Super Duplex Tubing

  • Schedule 5 / 5S
  • SCH 10
  • 4 Inch
  • SCH 160
  • SCH 40
  • SCH 30
  • SCH 10S
  • XSS
  • SCH 40S
  • SCH STD
  • SCH 80 / 80S
  • SCH 120
  • SCH 20
  • XS
SDSS Tube

Surface Treatment

  • Cleaned
  • Precleaned
  • Pickled
  • Passivated
Super Duplex Steel Square Tubing

Finishes of Super Duplex Steel Square Tubing

  • 600 grit
  • BA polishing
  • 2B
  • No.4
  • Bright Annealed
  • 180 grit polished
  • Annealed & Pickled
  • Matt finish
  • 320 grit
  • Cold Drawn
  • 400 grit
  • Mirror
Super Duplex Welded Pipe

Value Added Services

  • Threading
  • Polishing
  • Cutting
  • Beveling
SDSS Tube

SDSS Tube Manufacturing Types

  • ERW tubing
  • Welded tubing
  • EFW tube
  • Seamless tubing

Super duplex tube specification

SDSS Seamless Tubing Delivery Schedules


Country Name Colombia Bolivia Brazil Argentina Chile
Delivery Time 12 weeks

Get Super Duplex Stainless Steel Welded Tube in Bright Annealed, 400 /180 grit, Mirror and Matt Finish at Low Cost

Super Duplex Stainless Steel Welded Tube Dimensional Tolerance


OD 0.500”–1.500” excl ≤ .500”
OD Tolerance ± .005” ± .005”
Wall Tolerance ± 10% ± 15%

Types of SDSS Tubes


Super duplex tubing

Super duplex tubing

Super duplex seamless tube

Super duplex seamless tube

Super duplex welded tube

Super duplex welded tube

Super duplex stainless steel ERW tube

Super duplex stainless steel ERW tube

Find Super Duplex Steel Redrawn tube in SCH 5/ 5S to SCH 160 Thickness, Check Pressure Ratings

Super Duplex Alloy Annealed Tube Pressure Ratings


Tube OD(inch) 1/4 3/8 1/2 5/8 3/4 1➂  
Nominal Wall Thickness in. 0.049 0.049 0.065⑤ 0.065 0.065 0.083⑤ 0.095⑤ 0.083 0.083 0.083 0.095⑤ 0.095 0.109 0.109⑤ 0.134 0.12 0.035
Ordering Number 2507-T4-S-049-20 2507-T6-S-049-20 2507-T4-S-065-20 2507-T6-S-065-20 2507-T8-S-065-20 2507-T6-S-083-20 2507-T8-S-095-20 2507-T8-S-083-20 2507-T10-S-083-20 2507-T12-S-083-20 2507-T10-S-095-20 2507-T12-S-095-20 2507-T16-S-109-20 2507-T12-S-109-20 2507-T16-S-134-20 2507-T16-S-120-20 2507-T4-S-035-20
Nominal Length ft (m) 20 (6.1)                                
Weight lb/ft (kg/m) 0.10 (0.15) 0.17 (0.25) 0.13 (0.19) 0.21 (0.31) 0.30 (0.45) 0.26 (0.39) 0.41 (0.61) 0.36 (0.54) 0.48 (0.71) 0.58 (0.86) 0.53 (0.79) 0.66 (0.98) 1.02 (1.52) 0.74 (1.10) 1.20 (1.80) 1.12 (1.67) 0.08 (0.12)
ASME B31.3 Chapter IX Pressure Rating psig (bar) 22 600 (1557)① 14 400 (992)① 30 200 (2080) 18 300 (1260) 14 400 (992)① 24 700 (1701) 22 500 (1550)① 18 600 (1281) 14 400 (992) 12 000 (826)① 17 400 (1198)① 14 300 (985)① 11 500 (792) 16 000 (1102) 15 000 (1034)① 12 800 (881) 14 100 (971)
ASME B31.3 15 000 (1040)① 10 100 (700)① 19 800 (1370) 12 700 (880) 10 100 (700)① 16 800 (1160) 15 300 (1060)① 12 900 (890) 10 100 (700) 8 500 (590)① 12 100 (840)① 10 000 (690)① 8 100 (560) 11 100 (770) 10 000 (690)① 9 100 (630) 10 000 (690)
Get Super Duplex Alloy Annealed Tube Size Ranging From 6” to 24”, View Size Chart

SS Super Duplex Tubing Size


Wall Sizes ( O.D.)
0.020 1/16", 3/16", 1/8" , 5/16", 1/4" , 3/8"
0.010 1/16", 3/16", 1/8"
0.016 3/16", 1/8"
0.012 1/8"
0.028 1/8", 1/4", 3/16" , 3/8", 5/16" , 3/4" , 1/2" , 1 1/2", 1" , 2"
0.049 3/16" , 1/4" , 5/16", 1/2", 3/8" , 5/8", 16" , 7/8", 3/4" , 1 1/8", 1" , 1 1/2", 1 1/4" , 2", 1 5/8" , 2 1/4",
0.035 1/8" , 1/4", 3/16", 3/8", 5/16" , 1/2", 7/16" , 5/8", 16" , 7/8", 3/4" , 1 1/4", 1" , 1 5/8", 1 1/2" , 2 1/4", 2"
0.065 1/4", 3/8", 5/16" , , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
0.095 1/2", 1", 5/8" , 1 1/2", 1 1/4" , 2"
0.083 1/4", 1/2", 3/8" , 3/4", 5/8" , 1", 7/8" , 1 1/2", 1 1/4" , 1 7/8", 1 5/8" , 2", 3", 2 1/2"
0.109 1/2" , 1", 3/4" , 1 1/2", 1 1/4" , 2"
0.125 3/4", 1 1/2, 1", 3 1/4", 1 1/4"", 2" , 3" ,
0.120 1/2" , 3/4", 5/8" , 1", 7/8" , 1 1/2", 1 1/4" , 2 1/4", 2" , 3", 2 1/2" ,
0.134 1"
0.375 3 1/2"
0.250 3"

Mechanical Properties of Super Duplex Welded Tube


Grade Density Melting point Yield strength(0.2% offset) Tensile strength Elongation
S32750/S32760 7.8g/cm3 1350°C(2460°F) PSi-80000, MPa-550 PSi-116000, MPa-800 15%
Check SS Super Duplex Coiled Tubing Chemical Composition and Equivalent Properties

SDSS Seamless Tube Chemical Composition


Grade C N P Si Mn Mo Ni Cr S Other
S32750/S32760 0.030 0.24/0.32 0.035 0.80 1.20 3.0/5.0 6.00/8.00 24.0/26.0 0.020 Cu:0.50

Equivalent Grade of Super Duplex Steel ERW tube


STANDARD WERKSTOFF NR. UNS
Super duplex 1.4410 S32750/S32760