Tube Type

Dimensions,mm

Grade

Standard

Seamless Tube

Dia3~114mm*Tk0.2~6.0mm*L

Gr1, Gr2, Gr7,Gr9, Gr11,Gr12

ASTM B337, ASTM B338

Extruded Tube

Dia25~210mm*Tk6.0~30.0mm*L

Q/BS5631

Square Tube

Dia25~210mm*Tk6.0~30.0mm*L

ASTM B337, ASTM B338

Welded Tube

Dia25~210mm*Tk6.0~30.0mm*L

ASTM B862
link:https://www.reliabmetal.com/titanium/titanium-tube/grade-9-titanium-tubing-for-bicycles.html