Carbon Steel Bar

Carbon Steel Bar

Yieh Corp. offers a wide variety of carbon steel bar specifications and sizes by adopting different fabrication methods based on your specific application. Carbon steel has properties of high hardness and strength.

Carbon steel bars are widely used in various fields, such as petroleum, chemical, building materials, and power industries. Carbon steel has properties of high hardness, strength, wear resistance, and anti-corrosion.

Mechanical Properties

Steel Grade SS400
  • Yield Point or Proof Stress (T≦16mm)
  • 245 min N/mm²
  • Tensile Strength
  • 400 - 510 N/mm²
  • Elongation (5 mm<T≦16 mm)
  • 17 min %

Product Specification and Size

Product Name
Hot Rolled Round Bar Cold Drawn Square Bar
Hot Rolled Square Bar Cold Drawn Hexagon Bar
Cold Drawn Round Bar Forged Bar
Steel Grade
AISI AISI 1008, AISI 1015, AISI 1017, AISI 1021, AISI 1025, AISI 1026, AISI 1035, AISI 1045, AISI 1050, AISI 1055, AISI 4140, AISI 4340, AISI 4130, AISI 5140, AISI 8620, AISI 12L14
JIS SCM415, SCM420, SCM440, SS400, S45C, S20C
DIN 34CrMo4, 42CrMo4, 9Cr2Mo, 40CrNiMo, C45, CK45
GB Q215~Q235

Available Size

Product Name Diameter (mm)
Hot Rolled Round Bar 25~600
Hot Rolled Square Bar 21~54
Cold Drawn Round Bar 6~101.6
Cold Drawn Square Bar 6~50.8
Cold Drawn Hexagon Bar 9.5~65
Forged Bar 200~1000


Carbon steel bar is a kind of general-purpose steel bar that offers excellent formability and weldability, being used in a wide variety of applications including auto manufacturing, shipbuilding, aerospace industry, petrochemical plants, auto-power and wind-engine, metallurgical machinery, precision tools, etc.

- Auto manufacturing
- Aerospace industry
- Auto-power and wind-engine
- Metallurgical machinery

Steel Round Bar Condition

Annealing, Normalized, Quench+Temper
Surface: Black Finish, Peeled, Rough Turned