S-3 Tubing
Ultimate Tensile Strength: 150-217 ksi
http://www.desperadocycles.com Yield Strength: 135-185 ksi.
Hardness: RC 30 min.
Elongation: 10% min.
MECHANICAL PROPERTIES
The ultra light weight S3 - Super Strength Steel - seamless tube sets from True Temper Sports are the result of our on-going commitment to provide the cycling world with the most technologically advanced designs and materials. Hand-crafted in the USA from an advanced True Temper Air Hardening steel, S3 tubing has been optimized in every way to deliver ultimate light weight steel designs while maintaining the legendary FEEL OF STEEL.
  Precision triple butted 5-4-5 wall profiles are ultrasonically inspected for pinpoint control of butt transitions and extreme weight savings
  Salt Furnace quenched for consistent, distortion-free tubes and all of the benefits of our legendary True Temper Heat Treatment process
  Oversized geometrically enhanced bi-oval down tube for optimized stiffness at the highly stressed head tube and bottom bracket interface
Small Tube Dimensions: (Frame Size 46 to 54 cm)
Part # Desc. OD Length Wall Thick. Butt 1 Taper 1 Center Taper 2 Butt 2 Notes
HS3DTS Down Tube 45.5/31.2 620 .51/.41/.61 31.8 38.1 440 381 72 Bi-Oval
HS3TTS Top Tube 36/28.2 530 .51/.41/.51 31.8 38.1 335 38.1 87 Tear Drop
  Finite element analysis inspired teardrop top tube for an unprecedented level of torsional stiffness control HS3STS Seat Tube 28.5 530 .51/.41/.61 31.8 38.1 286 38.1 136  
HS3HT1 Head Tube 35.6 170 0.8            
HS3SS1 Seat Stay 16 600 0.51           11.3 mm tip
HS3CS1 Chain Stay 27.6 430 0.51           12.7 mm tip
Medium Tube Dimensions: (Frame Size 53 to 59 cm)
Part # Desc. OD Length Wall Thick. Butt 1 Taper 1 Center Taper 2 Butt 2 Notes
HS3DTM Down Tube 45.5/31.2 640 .51/.41/.61 31.8 38.1 469 38.1 63 Bi-Oval
  All S3 tubes are hand polished and individually packed to ensure 100% satisfaction
HS3TTM Top Tube 36/28.2 570 .51/.41/.51 31.8 38.1 383 38.1 79 Tear Drop
HS3STM Seat Tube 28.5 580 .51/.411.61 31.8 38.1 336 38.1 136  
HS3HT1 Head Tube 35.6 170 0.8            
  True Temper's proprietary TrucoteTM anti-corrosion provides the ultimate protection for your investment
HS3SS1 Seat Stay 16 600 0.51           11.3 mm tip
HS3CS1 Chain Stay 27.6 430 0.51           12.7 mm tip
Large Tube Dimensions: (Frame Si7e 5e to 64 cm)
Part # Desc. OD Length Wall Thick. Butt 1 Taper 1 Center Taper 2 Butt 2 Notes
  3 discreet tube sets allow builders to produce a full range of frame sizes - from 46cm to 64 cm HS3DTL Down Tube 45.5/31.2 650 .51/.41/.61 31.8 38.1 470 38.1 72 Bi-Oval
HS3TTL Top Tube 36/28.2 590 .51/.41/.51 31.8 38.1 403 38.1 79 Tear Drop
HS3STL Seat Tube 28.5 626 .51/.41/.61 31.8 38.1 382 38.1 136  
HS3HT1 Head Tube 35.6 170 0.8            
HS3SS1 Seat Stay 16 600 0.51           11.3 mm tip
HS3CS1 Chain Stay 27.6 430 0.51           12.7 mm tip
  Optional round down and top tubes
Misc. Tube Dimensions: (frame Size 53 To 64cm)
  Ridden by the world's #1 ranked triathlete, Barb Lindquist. Part # Desc. OD Length Wall Thick. Butt 1 Taper 1 Center Taper 2 Butt 2 Notes
HS3DT-R Down Tube 38.1 660 .51/.41/.61 38.1 38.1 457 38.1 89 Round  
HS3TT-R Top Tube 31.8 610 .51/.411.51 38.1 38.1 368 38.1 127 Round