wear-resisting arm support pipe

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wear-resisting arm support pipe
Posting date : Nov 17, 2011
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72-
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Name Structure Hardness HRC Thicknessmm mother metal pearlite+ferrite 23 3.2 hardening layer martensite 55-62 1.8 Comparison of service life, performance price ratio Name Material Structure Feature Life(square) fe ratio Price ratio Price Performance price ratio Genera pipe 20 monolayer low cost, fast wear, high replacement frequency 7000-8000 1 1 100 1 High-quality pipe high-quality alloy structural steel monolayer though its cost is higher than that of general pipe, it has high wearing resistance and long life 15000-20000 2.5 1.5 150 1.6 Hardened pipe(double-layer pipe) high-quality alloy structural steel double- layer high cost, inner-wall is wear-resisting layer, outer-wall is anti-cracking layer, life is 4-5 times than that of general pipe 38000-45000 5.6 2 200 2.8

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