Round bar grades

Hot Rolled Round Bar

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Available Size

- Dia. 25mm ~ 250mm (Hot Rolled)

- Dia. 250mm ~ 600mm (Hot Forging)

Available Grade

- S20C, S35C, S45C, SCM430, SCM435, SCM440, SNCM439,AISI1045, AISI4140, AISI4340

Cold Drawn Round Bar

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Application : Auto Mobile (Cold Forging Parts)

Specification

Item	Size	Length	Packing	Steel Grade
Cold Drawn Bar	7 ~ 40mm	4 ~ 6 M	1 ~ 2 Ton	- Carbon Steel - Alloy Steel - Bearing Steel - Spring Steel - Heat Treated Steel

Peeled Bar

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We eliminate minute defect from the surface of round bar by the process technology of precise peeling(1~2mm) and improve the roundness by the treatment of polishing. This bar is the good quality peeling bars that we can make precise size.

Application : Auto Mobile (Cold Forging Parts), Heavy & Construction Equipment (Cylinder Rod, Pin, Bush)

 

Item	Size	Tolerance	Length	Packing	Steel Grade
Peeled Bar / Smooth Turned Bar	20 ~ 78mm	Straightness : 0.8mm/M Roughness : Under Ra 0.30㎛ Roundness : Under 7% OfThe Size Tolerance Diameter Tolerance : ISA h9	4 ~ 8 M	2 ~ 2.5 Ton	- Carbon Steel - Alloy Steel - Bearing Steel - Spring Steel - Heat Treated Steel

Bar to Bar

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Application : Automobile Steering Rack Bar, Cold Forged Automobile Parts, Machinery Parts,Hydraulic Cylinder Shaft, Automobile Parts

Quenched & Tempered Bar

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Quenched & Tempered Bar is widely used for threaded rod which is required high strength in Petrochemical industry.

Raw Material

- Hot Rolled Round Bar

- Cold Drawn Round Bar

Application

- B7, L7, B16 : Thread Rod or Stud Bolt

- AISI4140, AISI4340 : Oil & gas Industry or Shipyard