Heat Treatment Harden Seamless Concrete Pump Pipe 1.5-2.0mm
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...55Mn, Thickness is usually 4.5mm , 5.0mm and 7.0mm , 7.72mm . Service life can reach 30000cbm , and hardness is 55HRC , whatever working life or hardness , is better than formal st52 seamless pipe , which is usually used on the mobile pump truck , 4.5mm/5...
Hebei Xinnate Machinery Equipment Co., Ltd
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