Home > Hand Tools > Carbon Steel Stock Sheet

0.287" Carbon Steel Stock Sheet | 21"x21" | Industrial Grade

Expert Overview

This robust 0.287" thick carbon steel stock sheet, measuring 21" x 21", offers exceptional strength and workability for demanding industrial and fabrication projects.

StandardASME B18
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Thickness0.287"
Length21"
Width21"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this premium carbon steel stock sheet is manufactured to exacting standards. Its substantial 0.287-inch thickness provides excellent rigidity and load-bearing capacity, while the 21-inch by 21-inch dimensions offer ample material for diverse cutting and forming operations. The high-carbon content ensures superior hardness, wear resistance, and ability to hold a sharp edge when machined or sharpened, making it suitable for applications requiring precise tolerances and durability under stress.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

3MEst. 1902
USA🇺🇸
"Science applied to life."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ Lifetime Return Policy
Green Manufacturing
🌱 Sustainable Logistics
Certified:ISO 9001 Compliant

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Ensure the working area is clean and free of debris. 2. Safely handle the sheet using appropriate lifting equipment or assistance. 3. Position the sheet for cutting, bending, or welding according to project specifications.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using undersized or thin material for structural applications.Always select stock sheet thickness appropriate for the anticipated load and structural requirements, referencing engineering guides or specifications.
Inadequate edge preparation before welding or joining.Properly bevel and clean all edges to ensure full weld penetration and joint integrity.

Common Applications

  • Custom fabrication and repair
  • Tool and die making
  • Industrial machinery components

⚠️ Engineering Warnings

  • Always wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and hearing protection, when handling or working with this material.
  • Carbon steel can rust if exposed to moisture; store in a dry environment or apply a protective coating.

Alternative Products to Consider

Premium Hand Tools equivalentHigher corrosion resistance (316 SS)
Economy Hand Tools optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Carbon Steel Stock Sheet made from?

A: This Carbon Steel Stock Sheet is manufactured from Carbon Steel.

Q: What are the main applications?

A: Custom fabrication and repair, Tool and die making, Industrial machinery components.

Technical Schematic

ISOMETRIC CAD ENVELOPEStandard Bounding Box representationH: HL: 21"W: 21"GENERAL COMPONENTCarbon Steel Stock Sheet

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.