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AISI 4130/ JIS SCM430 Forged Alloy Steel Bar

4130 alloy steel bar

AISI 4130/ JIS SCM430 Forged Alloy Steel Bar
Forged steel round bar: dia100mm-dia1500mm
Forged flat bar: thickness20mm-400mm, width80mm-1000mm
Forged steel block: 100mm*100mm-1000mm*1000mm

AISI 4130/ JIS SCM430 Forged Alloy Steel Bar

AISI 4130/ JIS SCM430 Forged Alloy Steel Bar

4130/ SCM430 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

tandard 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

Forged steel round bar: dia100mm-dia1500mm

Forged flat bar: thickness20mm-400mm, width80mm-1000mm

Forged steel block: 100mm*100mm-1000mm*1000mm

 

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.

 

Delivery Condition

Forged, black surface/ machined surface with customers’ required heat treatment

 

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