VeloSpec Air Hardened Downtube 28.6mm x 0.7/0.4/0.7 wall x 630mm
B1/T1/C1/T2/B2 : 100/50/320/50/110
Velospec high performance/strength USA steels are designed for top-end performance and lightweight frame designs.
Our seamless tubing undergo DOM methods for better tube tolerances and structure. Composed of "air-hardening" characteristics from its chemistry, this special alloy has the ability to quickly harden/strengthen TIG welded zones during its cool down. For additional strengths especially for thin wall profiles, the tubes undergo a heat treatment that raises tensile strength up to 1200 MPa which counters material fatigue and external impacts. Butted tubes are possible down to .6/.4/.6 walls and outer diameters up to 50.8mm wide. Raw material is tested to AMS 2301 aircraft quality standards.
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