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Velospec Seamless air-hardening steel tubes

Velospec high-strength steels are designed for top-end performance and lightweight frame designs. This seamless tubing undergoes DOM processing for improved tube tolerance and structural integrity. With 'air-hardening' characteristics derived from its chemistry, this alloy has the ability to further harden and strengthen TIG-welded zones during cool down.

Velospec is offered in two versions: Elite and Pro. For additional strength, especially in thin-wall profiles, the Elite tubes undergo heat treatment that raises tensile strengths to ~1150 MPa, countering material fatigue and external impacts. Moderately lower in tensile strength but outstanding in toughness, the cold-drawn, non-heat-treated Pro tubes have tensile strengths of up to ~950 MPa. Velospec’s U.S.-made raw material is tested to AMS 2301 aircraft quality standards.


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Part Number Family OD Profile Length Butt 1 Taper 1 Center Taper 2 Butt 2 Shape Bend X Y Z Taper Length Taper Length 2 Tip Tip 2 Profile (Fork) Oval Weight
AH38100709-800 Elite 38.1 1.00.70.9 800 200 60 330 60 150 TBD
AH42090709-850 Elite 42.0 0.90.70.9 850 250 60 330 60 150 TBD
AH44100709-850 Elite 44.5 1.00.70.9 850 250 60 330 60 150 TBD
AH34080508-680 Elite 34.9 0.80.50.8 680 90 50 290 50 200 TBD
AC38100709-800 Pro 38.1 1.00.70.9 800 200 60 330 60 150 TBD
AC42090709-850 Pro 42.0 0.90.70.9 850 250 60 330 60 150 TBD
AC34080508-680 Pro 34.9 0.80.50.8 680 90 50 290 50 200 TBD
AC34090609-740 Pro 34.9 0.80.50.8 740 100 50 370 50 170 TBD
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