AISI 1018 / IS 2062 Mild Low-Carbon SteelForging Metallurgy & Specs
General Engineering Low-Carbon Steel for Machined Forgings & Bushings. Hot-forged and precision-machined in Rajkot, Gujarat strictly up to 50 kg max piece weight with 100% Optical Emission Spectrometry (OES) PMI testing and EN 10204 3.1 MTC compliance.
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AISI 1018 / IS 2062 Mild Low-Carbon Steel (UNS G10180 / 1.0401 / C15 / St37-2) offers a minimum tensile strength of 440 MPa min (64 ksi) and yield strength of 370 MPa min (54 ksi) with 126 – 160 HBW hardness. Manufactured by Jayesh Forge in Rajkot, Gujarat strictly up to 50 kg per piece, this alloy features Low; requires electroplating (zinc/cadmium), blackodizing, or painting. Tested per ASTM A388 Level II ultrasonic standards with EN 10204 3.1 MTC inspection.
AISI 1018 / IS 2062 Mild Low-Carbon Steel Chemical Analysis (% by Weight)
| Element | Chemical Symbol | Minimum (%) | Maximum (%) | Specification Role |
|---|---|---|---|---|
| Carbon | C | 0.15% | 0.20% | Controls base tensile strength & core hardness |
| Manganese | Mn | 0.60% | 0.90% | Combines with sulfur, increases hardenability and hot workability |
| Phosphorus | P | — | 0.04% | Restricted to prevent temper embrittlement |
| Sulfur | S | — | 0.05% | Strictly controlled for cleaner grain flow and micro-cleanliness |
* Ladle chemical analysis verified using optical emission spectrometer (OES) calibrated to NIST certified reference materials. Full chemical results recorded on EN 10204 3.1 MTC.
AISI 1018 / IS 2062 Mild Low-Carbon Steel Mechanical Properties
Ultimate breaking stress threshold
Elastic deformation limit
Plastic ductility before rupture
Surface indentation resistance
Cross-sectional necking ductile ratio
Dynamic fracture energy absorption
Thermal Cycle & Machining Parameters
1200°C – 920°C (2200°F – 1700°F)
Carburized at 900°C – 940°C for surface hardness; stress relieved at 600°C
Low; requires electroplating (zinc/cadmium), blackodizing, or painting
Machinability: 78% of AISI 1212 • Outstanding weldability without preheat; compatible with all standard fusion processes
International Equivalent Material Grades
Forged Components Manufactured in AISI 1018
Heavy Forged Eye Bolts ('I-Ball')
Hot-forged lifting eye bolts and rigging hardware per DIN 580 and ASME B18.15.
AISI 1018 Frequently Asked Technical Questions
No, AISI 1018 has low carbon content (0.15-0.20%) and cannot achieve deep core hardness through quenching. It is ideally case-hardened via carburizing to achieve surface hardness of 58-62 HRC while maintaining a ductile core.
Related Industrial Metallurgy Specifications
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