Dongbu Steel Co. Ltd.

Introduction of Products

1. Cold Heading Quality Wire

Available

Automobile

  Engine Parts: Cylinder Head Bolt, Piston Rod, Spark Plug Shell etc.

  Steering Parts: Ball Joint Stud, Tie Rod Pin, Pinin

  Wheel : Hub Bolt, Nut

Aircraft : High Tensile Bolt

Construction : Construction Bolt

Bearing : Ball Bearing, Roller Bearing

Machinery : Nut, Screw, Rivet, Nipple

Electronic Parts : Switch Relay etc.

Usage

Material	AISI (SAE)	JIS	Usage	Symbol
Carbon Steel	1006-1060	CH6A-CH45K	Bolt, Nut, Screw, Rivet Washer Lead Wire	HD, SAPP, AIP, SAIP
Mn Steel	1541	SMn443	Hi-ten Bolt	SAPP, SAIP
Mo Steel	4037	-	Hi-ten Bolt	SAIP
Cr Steel	5115, 5120 5135, 5140	SCr415, SCr420 SCr435, SCr440	Hi-ten Bolt	SAPP, PASAIP
Cr-Mo Steel	4115, 4120 4135, 4140	SCM415, SCM420 SCM435, SCM440	Hi-ten Bolt Pin	AIP, PASAIP
High Carbon Cr Steel	52100	SUJ2	Bearing, Shaft	SAPP, PASAIP
Ni-Cr-Mo Steel	8620, 8740	SNCM220 SNCM220	Pin, Aircraft Bolt & Nut	SAPP, PASAIP
Baron Steel	10B21, 10B22 10B25, 10B38 15B25, 15B41 51B20, 51B37	-	Bolt & Nut	SAPP, PAIP

2. Cold Drawn Bar

Available

Automobile

  Axle Shaft (C/ V Joint Shaft)
  Shock Absorber Shaft
  Steering Column Shaft
  Transmission Shaft
  Air-con Compressor Shaft & Motor Shaft
  Armature Shaft

Machinery & Electric Home Appliance

  Air-con Compressor Shaft
  Miniature Bearing, Ball Bearing, Bearing & Race
  Motor Shaft
  Printer & Copy Machine Shaft

Usage

Material	AISI(SAE)	JIS	Usage	Symbol
Carbon Steel	1006-1060	CH6A-CH45K	General Shaft, Motor Shaft, Compressor Shaft, Axle Shaft, S/ A Shaft	CD, RCD, SCD, WSCD, SWSCD
Mn Steel	1541	SMn443	C/ V Joint Shaft	SCD
Cr Steel	5115, 5120 5135, 5140	SCr415, SCr420 SCr435, SCr440	Shaft	LCD SCD
Cr-Mo Steel	4115, 4120 4135, 4140	SCM415, SCM420 SCM435, SCM440	Shaft	LCD SCD
High Carbon Cr Steel	52100	SUJ2	Bearing, Shaft Wrench Set	SCD, SWSCD
Free Cutting Steel	1213, 12L14 1151	SUM22, SUM24L POSCUT1A	Shaft Sleeve	CD