Product

Powder Metallurgy

Creative Solution for Precision Parts, Powder Metallurgy

These materials are produced through a series of processes, such as compression, molding, high-temperature heat treatment, and sintering, and widely used as materials for automotive motors, home appliances, earphones, syringes, etc. The technology of Chang Sung continues to realize the dream of enriching people and everyday life.

Metal powder metallurgy is a manufacturing technology that implements a range of unique material properties and product shapes by compressing metals or metal oxide powder in a mold and heating and sintering them at high temperatures.

Applications
∙ Pneumatic Valve

∙ Home Appliances, Office Supplies and Motor Parts for Vehicles

∙ Earphones

∙ Syringes

Sintered Metal

Based on years of accumulated metal powder manufacturing technology, Chang Sung directly designs, develops, and produces the raw materials suitable for the required characteristics of the powdered metallurgy products to produce higher-quality powder metallurgy products.

Applications
∙ Electronic parking Brake Parts

∙ Electric Power Steering Parts

∙ Refrigerant Pipe Fixing Parts

∙ Syringes Filter

MATERIAL FOR OIL IMPREGNATED BEARINGS
MATERIAL FOR OIL IMPREGNATED BEARINGS
MATERIALS DENSITY(g/cm³) APPLICATION CHARACTERISTICS
Cu-Sn 6.0 ~ 6.4 Micromotor Precise mini components
Cu-Sn 6.4 ~ 6.8 D.D Capstan motor Low speed, high load, outstanding initial iubricity
Cu-Sn-C 6.8 ~ 7.5 Audio equipment Pb(C) enhance shaft / beating inbrication
Cu-Sn-MoS₂ 6.4 ~ 7.2 VCR, Office equipment Solid Iubricants, Durable materials
Fe 5.8 ~ 6.4 Home applicance Medium load
Fe-Cu 5.8 ~ 7.0 Home applicance Medium load
Fe-Cu (C) 6.4 ~ 6.8 Customer electonic High load
Fe-Cu-Zn-C 5.8 ~ 7.2 Tape recorders, electronic mixer High load, Soild lubricant
MATERIAL FOR STRUCTURAL PARTS
MATERIAL FOR STRUCTURAL PARTS
MATERIALS DENSITY(g/cm³) HARDNESS(HRB) T.S(kg/mm) REMARKS
Fe 6.2 ~ 7.0 10 ~ 50 10 ~ 25 Pure Iron
Fe-Cu 6.2 ~ 7.0 25 ~ 60 15 ~ 35 Copper-alloy steel
Fe-Cu(L) 6.2 ~ 6.4 20 ~ 30 10 ~ 20 Low-carbon steel
Fe-Cu(H) 6.4 ~ 7.0 30 ~ 50 20 ~ 45 High-carbon steel
Fe-Cu-C 6.2 ~ 7.0 30 ~ 70 20 ~ 60 Copper-carbon steel
Fe-Cu-C-Ni 6.6 ~ 7.0 40 ~ 65 30 ~ 45 Nickel-alloy steel
Fe-Cu-C-Ni-Mo 7.0 ~ 7.4 60 ~ 100 60 ~ 75 Alloyed steel

Sintered Soft Magnets

Magnetic materials are the basic materials of the industry, which have been in the spotlight as a future growth industry thanks to recent advances in electric and electronic technology. Especially soft magnetic materials are being used to amplify the flux density produced by magnetic fields because they provide a high self-reliance, low coercive force, and low hysteresis loss. Chang Sung is able to mass-produce the magnetic components with excellent magnetic properties in a variety of shapes based on the world's leading manufacturing technology for soft magnetic powder cores and metal powder and powder sintering technology.

Applications
∙ Magnetic Yokes for the Balanced Armature (BA) of Earphones

∙ Solenoid Pneumatic Valve Parts

SOFT MAGNETIC PROPERTIES OF SINTERED MATERIAL
SOFT MAGNETIC PROPERTIES OF SINTERED MATERIAL
MATERIALS B50 (G) Br(G) Hc(Oe) PERMEABILITY(μ) APPLICATION
Fe(Low C) 11,000 9,600 1,8 2,800 C-Coil
Permalloy 6,000 1,000 0.9 700 Yoke
13,000 8,000 0.4 1,000 Solenoid, Yoke
STS430 11,000 7,500 1.4 3,000 Solenoid
Fe(powder) 13,000 2,000 2,4 500 Ignition Coil

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Powder Metallurgy Inquiry

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Chang Sung Corporation

320, Seunggicheon-ro,
Namdong-gu, Incheon, Korea

T. +82-32-450-8770 F. +82-32-450-8870 E. powder_metallurgy_en
@changsung.com

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