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Centrifugal casting iron mould
specification DN50-DN1000;
length≤6500;
roughness Ra1.6;
precision 0.1;
concentricity 0.2;
QT hardness HB200-280
material 21CrMo10; 35CrMo
Used for centrifugal casting iron pipe machine
Making process steel ingot-forging-rough machining-UT-boring-QT-2th rough machining-enlarge hole-vibration aging-lightly boring-finished boring-oiling-packing-delivery