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The feature of this products is hard wearing and heat resisting property .The stable chemical composition,smooth at both iner and outer surface,no cracks,precise dimensions,widely use in plastic extrudeder machines.Products standerds:GB.ASTM B42/B68.EN.JIS,ETC.SIZE:outer diameter x wall thickness ,length:subject to the buyer's request.Materials:H80H68AH65H62
HPb59-1HPb59-3HPb63-3
HAl77-2HAl67-2.5HAl60-1-1HAl59-3-2
HSn62-1
HMn58-2HMn57-3-1HMn55-3-1
HFe59-1-1
HNi65-5.
QSn5-5-5 6-6-3QSn10-1QSn10-3.
QAl9-4QAl10-3-1.5QAl10--4-4
QSi3-1QSi1-3
bearing pad
