Overview
About 4130 Alloy Steel
C P Steel Suppliers supplies 4130 Alloy Steel for engineering, industrial machinery and manufacturing applications. It is classified as Low Carbon Chromium-Molybdenum Structural Alloy Steel (Chromoly). Available forms include ROUND BAR.
Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.
4130 Round Bar Suppliers, 4130 Stockist, 4130 Big Dia, 4130 Cut to size as per requirement, 4130 Flat Bar, 4130 Small Quantity, 4130 Larger Dia, 4130 Circle, Ring. 4130 Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.
Specification
Chemical Composition
ElementComposition (wt%)
CCarbon
0.28 - 0.33%
MnManganese
0.40 - 0.60%
SiSilicon
0.15 - 0.35%
CrChromium
0.80 - 1.10%
MoMolybdenum
0.15 - 0.25%
PPhosphorus
max 0.035%
SSulfur
max 0.040%
FeIron
Balance
Performance
Mechanical, Physical & Processing Properties
PropertyValue / Reading
Tensile Strength560 - 750 MPa (Normalized) / 750 - 950 MPa (Quenched & Tempered)
Yield Strengthmin 460 MPa (Normalized) / min 550 MPa (Quenched & Tempered)
Elongation18 - 25 %
Hardness Brinell156 - 217 HBW (Normalized) / 220 - 285 HBW (Q&T)
PropertyValue / Reading
Density7.85 g/cm³
Melting Point1432 °C
Modulus Of Elasticity205 GPa
Thermal Conductivity42.7 W/m·K
PropertyValue / Reading
WeldabilityGood weldability by TIG, MIG, and arc welding due to lower carbon content.
MachinabilityGood machinability (approx. 72% of AISI 1112).
Case HardeningCan be nitrided or quenched and tempered for aerospace and oilfield equipment.
Corrosion ResistanceLow; requires protective coating or plating.
Cross Reference
Equivalent Grades by Standard
Standard / RegionEquivalent Grade
Indian IS25Cr4Mo2 (IS 1570)
European EN25CrMo4 (EN 10083-3)
Germany DIN25CrMo4 (DIN 17200)
Japan JISSCM430 / SCM425 (JIS G4053)
UK (BS)708A25 / 708A30 / EN19A
USA (SAE / AISI)SAE 4130 / AISI 4130
Availability
Available Forms & Sizes
- ROUND BAR
Form TypeSize Range Available
Black Round BarsOD 16MM - OD 200MM
FAQ
4130 — frequently asked questions
What is the equivalent of 4130?
Standards: Indian IS: 25Cr4Mo2 (IS 1570); European EN: 25CrMo4 (EN 10083-3); Germany DIN: 25CrMo4 (DIN 17200); Japan JIS: SCM430 / SCM425 (JIS G4053); UK (BS): 708A25 / 708A30 / EN19A; USA (SAE / AISI): SAE 4130 / AISI 4130.
Which forms of 4130 are available?
4130 is available as ROUND BAR.
Where can I buy 4130 Alloy Steel in Mumbai or across India?
C P Steel Suppliers supplies 4130 Alloy Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.
Interested in Alloy Steel 4130?
Tell us the size and quantity you need and we will get back to you.