1) Specifications: Alloy steel material, super heat treatment technology
Stainable, wear resistant
High quality & reasonable price
Good after-sale service
2) TYPES: moil point: all demolition work, road construction, bridge foundation
chisel (corss): all demolition work, trenching of rocky, cutting concrete
blunt: mining, quarrying, crushing rock
wide chisel: demolishin concrete and reinkforced concrete
percussion buster: Special demolition with high cracking action
3) Heat Treatment: Austenting Temperature 810~850 (20min/inch) Cooling Water oil cooling
Tempering 250~300 (1hr/inch)
4). Mechanical Properties: Surface Hardness HRC51± 3
Core Hardness HRC35± 3
Tensile strength (min) 1250N/mm²
Yield point (min) 950N/mm²
Elongation 10~14%
Reduction of Area 35~40%
Impact work 23~28 ft1b
Grain size 7.0~8.0
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