ASTM A1018 Steel Sheet Manufacturer & Supplier

When a project calls for hot-rolled steel sheet in heavier thicknesses, the specification matters just as much as the grade. ASTM A1018 steel sheet is covered under ASTM A1018/A1018M for heavy-thickness hot-rolled sheet and strip coils. The specification covers several material categories, including commercial, drawing, structural, high-strength low-alloy and ultra-high-strength steels. For buyers, that means the correct A1018 designation, grade, thickness, width and testing requirements should be confirmed before placing an order.

Lakshya International supplies carbon steel products for industrial requirements and can review ASTM A1018 requirements based on the required designation, dimensions, quantity and documentation. For broader product navigation, see Carbon Steel Products.

What Is ASTM A1018 Steel Sheet?

ASTM A1018/A1018M is a specification for hot-rolled, heavy-thickness steel sheet and strip coils. Unlike a single steel grade, A1018 includes multiple steel designations. The 2018 reference supplied for this project identifies Commercial Steel (CS), Drawing Steel (DS), Structural Steel (SS), High-Strength Low-Alloy Steel (HSLAS), High-Strength Low-Alloy Steel with Improved Formability (HSLAS-F), and Ultra-High Strength Steel (UHSS).

The specification is intended for heavy-thickness coil products beyond the size limits addressed by ASTM A1011/A1011M. The material may be fed from coil into blanking, drawing or forming operations, tube mills, rolling mills, or sheared/slit into blanks for subsequent forming. It should not simply be treated as plate material for structural or pressure-vessel use without meeting the applicable plate requirements.

ASTM A1018 Steel Designations

The key point for procurement is that ASTM A1018 is not one universal chemistry or mechanical-property grade. Requirements depend on the selected designation, class, type and grade.

Designation	Covered Grades / Types in the 2018 Reference	Buyer Consideration
Commercial Steel (CS)	Types A and B; Standard Steel Designation	Used where commercial-quality sheet characteristics are required; confirm the exact designation.
Drawing Steel (DS)	Types A and B; Standard Steel Designation	Relevant where the material is intended for drawing/forming operations.
Structural Steel (SS)	Grades 30, 33, 36 Types 1/2, and 40	Select the exact grade and type according to the required strength and application.
HSLAS	Grades 45, 50, 55, 60, 65 and 70; Classes 1/2	Higher-strength low-alloy category; grade and class must be specified.
HSLAS-F	Grades 50, 60, 70 and 80	Higher-strength category with improved formability; confirm the applicable grade.
UHSS	Grades 90 and 100; Types 1/2	For ultra-high-strength requirements; confirm grade, type and thickness availability.

ASTM A1018 Steel Sheet Size Range

The supplied ASTM A1018/A1018M-18 reference lists the following size limits for coil products:

Product	Width	Thickness
Strip	Over 8 to 12 in [over 200 to 300 mm]	0.230 to 1.000 in [6.0 to 25 mm]
Sheet	Over 12 in [over 300 mm]	0.230 to 1.000 in [6.0 to 25 mm]

These figures are from the 2018 historical reference supplied for this page. Not all strength levels are available in all thicknesses, so the final purchase specification should be confirmed with the producer against the applicable edition and required grade.

ASTM A1018 vs ASTM A1011

ASTM A1018 and ASTM A1011 are related but should not be treated as interchangeable specifications. A1018 addresses hot-rolled heavy-thickness coils beyond the size limits of A1011/A1011M. When a drawing, purchase order or material specification calls for A1018, the buyer should confirm the exact designation, dimensions and applicable edition rather than substituting another specification simply because both are hot rolled.

ASTM A1018 vs SAE/AISI 1018

ASTM A1018 is not the same thing as SAE/AISI 1018. The names look similar, but they describe different things. ASTM A1018/A1018M is a product specification covering multiple steel categories and grades for heavy-thickness hot-rolled sheet and strip coils. SAE/AISI 1018, by contrast, refers to a specific low-carbon steel grade.

This distinction is important when researching A1018 steel sheet. A page about SAE 1018 chemistry or properties should not be used as a generic technical specification for ASTM A1018. The exact ASTM A1018 designation and grade should always control the chemistry and mechanical requirements.

Chemical Composition of ASTM A1018 Steel

There is no single chemical composition table that accurately represents every ASTM A1018 product. The applicable limits depend on the designation, class, type and grade selected. The ASTM reference identifies elements including carbon, manganese, phosphorus, silicon, aluminum, copper, nickel, chromium, molybdenum, columbium, titanium, nitrogen and boron as applicable to the specified designation.

For procurement, the material specification should therefore identify the exact A1018 designation and grade. If chemistry certification is required, the requested chemistry should be checked against the applicable standard and material test documentation.

Mechanical Properties of ASTM A1018 Steel

Mechanical properties also vary with the selected A1018 category and grade. The specification includes requirements related to yield strength, tensile strength and elongation, with tension testing required. A buyer should not use one tensile or yield-strength figure as a generic value for all A1018 steel sheet.

Property	How It Should Be Specified
Yield Strength	Confirm the required A1018 designation/grade and applicable minimum requirement.
Tensile Strength	Confirm the selected grade and applicable tensile requirement.
Elongation	Confirm the selected grade, thickness and applicable requirement.
Tension Testing	Confirm testing and certification requirements with the purchase order.

Surface Finish, Workmanship & Dimensional Tolerances

A1018 also addresses workmanship, finish and appearance. Dimensional tolerances for material produced to the specification are tied to the applicable dimensional-tolerance requirements. Surface condition and dimensional expectations should be agreed during procurement, particularly when the material will go directly into blanking, forming, slitting or other downstream operations.

Why Choose ASTM A1018 Steel Sheet?

• Suitable for heavy-thickness hot-rolled coil requirements within the specification.
• Provides multiple designation families for commercial, drawing, structural and higher-strength requirements.
• Allows buyers to select a material category based on strength, formability and application requirements.
• Can be supplied in coil form for downstream blanking, forming, slitting or related processing where permitted by the specification.
• Supports specification-driven procurement, with grade, thickness, width and testing requirements clearly defined.

ASTM A1018 Steel Sheet Applications

The appropriate application depends on the selected A1018 designation and grade. Common industrial use cases can include:

• Structural fabrication where the selected structural grade meets the project requirement.
• Industrial equipment and machinery components requiring specified hot-rolled sheet.
• Formed and drawn components where the selected drawing or formability grade is appropriate.
• General engineering and fabrication applications requiring heavy-thickness coil material.
• Blanking, shearing and slitting operations where the supplied material and downstream process are suitable.

Important: A1018 sheet should not automatically be converted into structural or pressure-vessel plate. The applicable plate specification and testing requirements must be met where such conversion is intended.

ASTM A1018 Steel Sheet Price

ASTM A1018 steel sheet pricing depends on more than the base steel grade. The quotation can change according to:

• A1018 designation and grade
• Thickness and width
• Order quantity
• Coil, strip or processing requirements
• Testing and inspection documentation
• Packaging and delivery requirements
• Market conditions

For an accurate quotation, share the material designation, grade, dimensions, quantity and documentation requirements rather than relying on a generic price per kg.

How to Order ASTM A1018 Steel Sheet

A clear RFQ helps avoid specification mismatches. Include the following wherever applicable:

• ASTM specification and applicable edition
• Steel designation and exact grade/type/class
• Sheet or strip requirement
• Required thickness and width
• Quantity or coil weight
• Surface/finish requirements
• Testing and inspection requirements
• Material test certificate/documentation requirements
• Delivery location

For a broader view of Lakshya International’s product range, visit Our Products.

ASTM A1018 Steel Sheet Standards & Testing

The ASTM A1018 reference specifies that the material must meet the requirements applicable to its selected designation, class, type and grade. The standard includes tension testing and requirements related to yield strength, tensile strength and elongation. Workmanship, finish and appearance are also addressed.

For production and purchasing, the applicable ASTM edition should be confirmed because standards are revised over time. The supplied ASTM page identifies A1018/A1018M-18 as a historical version and lists A1018/A1018M-25 as active.

 

Frequently Asked Questions