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Zhengzhou halnn superhard materials Co., Ltd

Position：Home > PCD/CBN > CBN Materials

 

1. CBN Grade and Application

Insert GradeSuited MaterialsMachining TypeTypical ApplicationInsert Image
BN-K1Chilled Cast Iron, Hi-Ni-Cr Cast Iron and High harness alloy cast ironRoughingAlloy Cast Iron, Slurry Pump, Wear resistant castings
BN-S10High Speed SteelRoughingHSS Rolls
BN-S20Hardened Steel, Heat and abrasive resistant steel, High manganese steelRoughing, Semi-FinishingHSS Rolls, Ball Screw, Wind Power Bearings
BN-S200Hardened Steel, SuperalloyFinishingWind Power Bearings
BN-S300Gray Cast IronRoughing, FinishingBrake Disc, Cast Iron Engine,Gearbox, Cylinder Liner
BDN80Ni-based alloy, Stellite Alloy, SuperalloyRoughing, FinishingAircraft turbine disk, Ni based alloy parts
BN-H11Hardened SteelSemi-Finishing, FinishingBearings, Gears, Gear Shaft, Hardened Mold
BN-H20Hardened steel, other materials of difficult to machineSemi-Finishing, FinishingHardened Steel Gears, Mold,ect
BN-K20Gray Cast IronSemi-Finishing, FinishingBrake Disc, Cast Iron Engine,Gearbox
BNK30Gray cast iron, Iron based alloySemi-Finishing,FinishingBrake Disc, Brake Drum, Cast Iron Engine, Gearbox
BN-K50Powder MetallurgyFinishingPowder Metalurgy Valve seat
BN-H05Hardened SteelFinishingGears,Gear Shaft, Bearings
BN-H10Hardened Steel, high strength cast ironFinishingBearings, Gears, Gear Shaft, High hardness component
BN-H21Hardened SteelFinishingBearings, Gears, Gear Shaft,Mold,ect.
BN-K10Gray Cast Iron, Powder MetallurgicalFinishingValve seat ring; Engine cylinder bore;  Powder Metallurgy parts
BN-H05 C25Hardened SteelFinishingBearings, Gears, Gear Shaft, Mold,ect
BN-H10 C25Hardened SteelFinishingBearings, Gears, Gear Shaft, High hardness components
BN-H21 C25Hardened SteelFinishingBearings, Gears, Gear Shaft, Mold,ect


2. CBN Characteristics  

CBN GradeBinderCBN Content（%）Granularity（μm）Hardness（HV）
BN-K1TIC908-123000-3250
BN-S10AL，TiN804-103100-3300
BN-S20TIN764-62900-3100
BN-S200TIN602-42800-3000
BN-S30TIC858-123100-3300
BN-S300AL，TIC974-63400-3600
BN-H11TIN702-42800-3000
BN-H20TIC802-43100-3300
BN-H05TIN45≤12700-2800
BN-H10TIN50≤12700-2800
BN-H21AL，TINC601-22600-2800
BN-K10Ti，Co95≤23300-3500
BN-K50Co85≤23300-3500
BN-K20TIC952-43400-3600
BNK30Si，TIC972-4  3400-3600

3.CBN Cutting Conditions

CBN ContentCharacteristicsHalnn CBNDepth of CutCondition
High Content CBN

Toughnes(Roughing)
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Hardness (Finishing)

BN-K11~10mmInterrupt-Continuous
BN-S301~10mmSemi-Interrupt
BN-S300≤2mmContinuous
BNK30≤1.5mmContinuous
BN-K50≤0.5mmContinuous
BN-K10≤0.5mmContinuous
Low Content CBNToughnes(Roughing)

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Hardness (Finishing)

BN-S201~10mmContinuous~Interrupt
BN-H20≤1mmSemi-Interrupt
BN-S200≤1mmContinuous
BN-H11≤1mmContinuous

Hardness
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Toughness

BN-H05≤0.2mmContinuous
BN-H10≤0.5mmContinuous~Semi-Interrupt
BN-H21≤0.5mmSemi-Interrupt ~Heavy Interrupt
Hardness

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Toughness

BN-H05 C25≤0.2mmContinuous
BN-H10 C25≤0.5mmContinuous~Semi- Interrupt
BN-H21 C25≤0.5mmSemi-Interrupt ~Heavy Interrupt 

4. Halnn recommend cutting condition

Machining MaterialsProcessCutting Speed Vc(m/min)Cutting Depth ap
（mm）		Feed Rate Fr
（mm/r）		Recommend CBN Grade
High hardness cast iron(HRC35~68)Roughing35~1201~10mm0.15~1.0BN-K1
Finishing60~200≤1mm0.05~0.35BN-K10,BN-H10
Hardened Steel (≥HRC45)Roughing50~1501~10mm0.1~0.5BN-S10,BN-S20
Finishing90~250≤1mm0.05~0.35BN-H05,BN-H10,BN-H21,BN-H20,BN-H11,BN-S200
Gray Cast IronRoughing400~12001~10mm0.2~1.0BN-S30,BN-S300
Finishing600~2000≤1mm0.05~0.3BNK30,BN-K10,BN-K20

 

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