chemical composition:
material c mn si cr s p
50mn 0.48-0.56 0.70-1.0 0.17-0.37 0.25 max 0.035max 0.035max
60mn 0.57-0.65 0.70-1.0 0.17-0.37 0.25 max 0.035max 0.035max
65mn 0.60-0.70 0.90-1.20 0.17-0.37 0.25 max 0.035max 0.035max
75mn 0.72-0.92 0.17-0.37 0.7-1.0 0.4-0.6 0.035max 0.035max
75mncr 0.70-0.85 0.7-0.8 0.17-0.37 0.2-0.7 0.03 max 0.03 max
75simn 0.70-0.90 0.7-1.2 0.4-0.8 0.25 max 0.03 max 0.03 max
specifications:
impact test
ak.j/cm2
endurance test times
(5m)
dia 25mm-60mm dia 70mm-100mm
surface core surface core
50mn ≥12 ≥10000 ≥56 ≥35 ≥56 ≥28
60mn ≥13 ≥10000 ≥58 ≥38 ≥58 ≥29
65mn ≥15 ≥12000 ≥60 ≥42 ≥60 ≥30
75mncr ≥17 ≥12000 ≥60 ≥52 ≥60 ≥50
75 simn ≥16 ≥12000 ≥60 ≥50 ≥60 ≥48
1. main products: custom open die forging, main shaft, wind power shaft, stabilizer, flange, coupling, bop body, tube plate, roller forging, roller shell, ring forging, gears, gear blank, gear shaft, gear wheel.
2. materials: carbon steel, alloy steel
3.supplying range: shafts, sleeves, rings, cylinders, blocks, modules etc
4. process: forging/casting – normalizing & tempering – proof machining- quenching & tempering – finish machining
applied fields:
1). cement plants
2). mines
3). power stations
4). chemical industry
5). machine industry
advantage:
1) high hardness
2) no breakage
3) even wearing
4) good wear resistance
packaging detail:
1) bag (1ton/bag)
2) iron drum (800-950kgs/drum)
miaochuan's advantage
a) we manufacture a wide range of grinding ball to meet your different demands.
b) 18 years manufacturing experience.
c) miaochuan grinding ball is your best choice of one-stop grinding ball procurement.
d) professional grinding ball supplier.
e) grinding ball manufacturer.
f) grinding ball exporter.
g) grinding ball factory.
h) grinding ball enterprise.
i) grinding ball company
山东东铁铸锻有限公司
13075302410
中国 济南