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Wear Resistant Twin Wall Pipe System. ▣ Applications of Twin pipe & Twin Elbow for CPT. ▣ Twin Wall Pipe System. ■ Features ● Multi-layer pipe for abrasion resistance piping systems ▶ Inner pipe : hardened steel (HRA 75 ~85 ) ▶ Outer pipe : high ductility low carbon steel
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▣ Twin Wall Pipe System ■ Features ● Multi-layer pipe for abrasion resistance piping systems ▶ Inner pipe : hardened steel (HRA 75 ~85 ) ▶ Outer pipe : high ductility low carbon steel (max HRC25) ● High wear resistance ● Absorb impact and contain pressure ● Applicable hydraulic piping system ▶ Concrete pump truck, industrial pipe system
▣ Newly Designed Twin wall pipe for CPT – Characteristics Ⅰ • Hardened Inner Liner for Abrasion Resistance and High Strength outer Tube • -. An inner liner hardened to at least Hv 600 • -. A low-carbon outer shell to absorb impact and contain pressure
▣ Newly Designed Twin wall pipe for CPT – Characteristics Ⅱ 범례 : ◎ : Excellent, ○ : Good , △ : Moderate , × : poor
▣ Abrasion test (ASTM G65) Twin wall pipe • Abrasion test of Hardened Inner Liner • -. Long life in highly abrasive applications • -. Superior wear resistance to gas flame hardening and induction hardening
▣ Field test of Twin wall pipe For CPT • TMC twin wall pipe estimated wear • rates by CPT • -. Lifetime pipe (M3) : min 100,000