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Brake drum for trucks, auto brake drum

Basic Info

Model No.: 43512-1710

Product Description

Specifications Auto Brake Drum

1)High quality control,under the ISO/TS 16949 system

2)GG20/G3000/GG20

Auto brake drum Quality Standard---GG20   1. Material Requirements   1.1 Must meet Grade GG20 for gray iron castings.   1.2 Chemical Composition (Percent)          * Total Carbon:     3.0 - 3.50%        * Silicon:             1.90 - 2.30%        * Manganese:       0.60 - 0.90%        * Phosphorus:      0.12% Max.        * Sulfur:               0.10% Max.   1.3 Microstructure:         1.3.1 Graphite Structure-               Predominantly type A, size 3-5.         1.3.2 Matrix               Pearlitic with max. 15 ferrite               Free from chill   1.4 Physical Properties:         1.4.1 Tensile Strength-     Min. 200 N/mm         1.4.2 Brinell Hardness-     190 - 230            ( 10 mm ball, 3,000 kg load)

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Product Categories : Brake Drum