Upper limit: 4000mm.
Thickness of alloy: 2.5-3.5mm. Alloy hardness: HRC58.~70
Diameter: 200 - Φ Φ 200
Diameter: Φ 40 - Φ 300
Length to diameter ratio L/D = 4-6
Diameter: 45-300 Φ Φ
Length to diameter ratio L/D = 8 to 20
Diameter: Φ Ø 300-60
Length to diameter ratio L/D = 12 to 18