AISI 4130/ JIS SCM430 HOT ROLLED ALLOY STEEL BAR

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AISI 4130/ JIS SCM430 HOT ROLLED ALLOY STEEL BAR

AISI 4130/ JIS SCM430 HOT ROLLED ALLOY STEEL BAR grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. The steel has good strength and toughness, weldability and machinability.

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AISI 4130/ JIS SCM430 HOT ROLLED ALLOY STEEL BAR grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. The steel has good strength and toughness, weldability and machinability.

Similar Grades

Standard Grade Chemical composition (%)
C Si Mn Cr Mo P S

 

GB 30CrMo 0.26-0.34 0.17-0.37 0.40-0.70 0.80-1.10 0.15-0.25 ≤0.035 ≤0.035
AISI 4130 0.28-0.33 0.15-0.35 0.40-0.60 0.80-1.10 0.15-0.25 ≤0.035 ≤0.040
JIS SCM430 0.28-0.33 0.15-0.35 0.60-0.90 0.90-1.20 0.15-0.30 ≤0.030 ≤0.030
DIN 25CrMo4/1.7218 0.22-0.29 ≤0.40 0.60-0.90 0.90-1.20 0.15-0.30 ≤0.025 ≤0.035

 

Available Size

Hot rolled round bar: dia16mm-dia310mm

Hot rolled flat bar: thickness5mm-30mm, width50mm-130mm

Hot rolled square bar: 16mm*16mm-100mm*100mm

AISI 4130/ JIS SCM430 HOT ROLLED ALLOY STEEL BAR

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Annealing: AISI 4130 steel can be annealed at 843°C (1550°F) followed by air cooling at 482°C (900°F).

Tempering: AISI 4130 steel can be performed at 399 to 566°C (750 to 1050°F), depending on the desired strength level.

Hardening

Hardening of AISI 4130 steel can be done with cold working or heat treatment.

 

Characteristics

  1. High strength and toughness.
  2. High hardenability.
  3. Good heat intensity.
  4. Good machinability, good weldability and can be heat treated.

 

Application

4130 steel alloy is used primarily in the construction of commercial and military aircraft and ground support systems as well as automotive, race cars, off road, hydraulic tools, and machine tool applications. It is an intermediate strength material.

AISI 4130/ JIS SCM430 HOT ROLLED ALLOY STEEL BAR

Delivery Condition

Hot rolled, black surface/bright surface with customers’ required heat treatment

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