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1018 steel is an extremely popular low-carbon steel known for its excellent machinability, weldability, and versatility. Classified as mild or low-carbon steel, it is a popular choice in various industries due to its combination of strength, ductility, and affordability. 1018 steel is suitable for a wide range of applications, making it one of the most utilized AISI steel grades available.
AISI 1018 Steel Chemical Composition
1018 steel’s chemical composition is determined by AISI’s grading system, which classifies steel based on its chemical composition. AISI 1018 steel is composed of the following materials:- Carbon (C): 0.15%–0.20%
- Manganese (Mn): 0.60%–0.90%
- Phosphorus (P): ≤ 0.04%
- Sulfur (S): ≤ 0.05%
- Iron (Fe): Balance
1018 Steel Mechanical Properties
1018 steel is an excellent choice for projects requiring a reliable, cost-effective material with moderate strength and high machinability. AISI 1018 steel mechanical properties include:- Moderate tensile strength and hardness
- Excellent machinability
- Easily welded without pre-heating or post-welding treatments
- Enhanced ductility without fear of cracking or breaking
- Smooth surface finish
AISI 1018 Steel Applications
Since 1018 steel is highly versatile, it is used for a broad range of industries and applications, including:- Construction – Fasteners, support structures
- Machinery – Tool bodies, machine components
- Automotive – Shafts, pins, gears
- Fabrication – Structural parts, décor
- Manufacturing – Jigs, fixtures, prototypes
AISI 1018 Steel Advantages
Whether you need durable components for machinery or aesthetically pleasing structural elements, 1018 steel delivers performance and value. Some of the distinct benefits that 1018 steel offers include the following:- Excellent weldability for versatile fabrication.
- Smooth surface finish enhances aesthetics and reduces the need for further processing.
- Suitable for a broad range of applications due to its balanced mechanical properties.
- Affordable and widely available.
- Highly machinable for ease of shaping.
IMS is Your Locally Trusted Metal Supply Company
With seven locations serving California, Arizona, Nevada, and Northern Mexico, IMS is a full-service metal supplier that provides a broad, in-stock selection of premium 1018 steel products. Our inventory of metal products includes various metal shapes and an extensive selection of alloys. At IMS, we offer the following advantages:- Same-day will-call pick-up
- Next-day local delivery
- High-volume discount pricing
- Custom cut-to-size metal production
- ISO 9001 certified
- Support of Just-In-Time manufacturing processes
- No minimum purchases
- Fast credit approvals
