OEM No/Model: 1075311
metertrial:gray iron HT250/GG25=heavy truck brake drum
Weight:20kg-85kg
Chermical composition:
C:3.0-3.3% Si:1.6-1.9% Mn:0.7-0.9%
P:<0.12% S<0.12%
Mechanics performance:
Main body degree of hardness:163-255HBS
Testing rod tensile strength:>=220mpa
Design
As per the customers drawings
As per the customers sample
Packing
Wood pallet&Waterproof membrane
As per the customers requirements.
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