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30% off Fusion 360 + $400 SendCutSend Gift Card

30% off Fusion 360 + $400 SCS Gift Card

Laser Cut AR400 Steel

One of two abrasion-resistant grade steels offered here at SendCutSend, AR400 steel is formulated to take a massive amount of punishment and abuse. Used in shooting range targets, armor plating, and quarry machinery, this material is ready to provide your projects with toughness and durability.

  • Available in .250″ thickness
  • Laser cut sheet metal (+/- .005″ cutting tolerance)
  • 2-4 day lead time before shipping

Starting from $29

Abrasion Resistant
Weldable
Impact Resistant

What is AR400?

AR400 Steel is a high-strength, abrasion-resistant alloy that is specifically engineered to withstand wear and impact in challenging environments. It has exceptional durability and resistance to surface abrasion and gouging.

You’ll find this steel in applications such as construction machinery, mining equipment, and manufacturing components subject to continuous we

What can you make with AR400?

Laser cut AR400 plate shines with its low maintenance costs and its through-hardness, positioning it as an economical fit for large-scale mining operations and industries with high wear risk. This steel is three times stronger than mild steel and it can take almost any punishment you throw at it.

Get started with a free instant quote!

Material Details

.250″ AR400

Details
Advertised Thickness .250″
Gauge 8
Thickness Tolerance Positive .040″
Thickness Tolerance Negative .040″
Cutting Process Fiber Laser
Cut Tolerance .005″
Top/Bottom Finish Identical both sides
Available Operations
Deburring No
Bending No
Countersinking No
Tapping No
Anodizing No
Plating No
Powder Coating No
Hardware No
Design Considerations
Min Part Size .5″ x .75″
Max Part Size 44″ x 30″
Min Hole Size .088″
Min Bridge Size .125″
Min Hole to Edge Size .075″
Tab and Slot Tolerance .050″
Properties
Material Composition Iron (Fe): 97
Manganese (Mn): 1.5
Silicon (Si): 0.50
Chromium (Cr): 0.45
Carbon (C): 0.20
Molybdenum (Mo): 0.050
Phosphorus (P): 0.025
Sulfur (S): 0.0050
Density 497.66
Tensile Strength (Yield)  
Shear Strength  
Shear Modulus  
Fatigue Strength  
Brinell Hardness 360 -440
Elongation at Break  
Elastic Modulus  
Poisson’s Ratio  
Thermal Conductivity  
Melting Point  
Magnetic Yes

Our laser cut AR400 is guaranteed

We guarantee awesome quality parts. If you’re not 100% happy, we’ll give you a refund or remake on the spot – no questions, no hassle.

Start your first SendCutSend project today!

Upload your CAD design or use our parts builder and get a free instant quote on your custom laser cut parts, all delivered to your door in a matter of days.

We proudly use hardware by PEM

Flush stud, M8 x 1.25, .472" Zinc plus Clear Chromate

SKUFH-M8-12
Thread SizeM8 x 1.25
Hole size in sheet (+0.003/-.0.000).315″
Minimum sheet thickness0.94″
Maximum sheet thickness.347″
Fastener materialSteel
Minimum distance hole C/L to edge0.378″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole..535″
Recommended panel materialSteel/Aluminum
Coating typeZinc
Length.472″
Aluminum material ranges (5052, 6061, 7075)0.100″-0.250″
Steel material ranges (CRS, HRPO, HR)0.104″-0.250″

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We proudly use hardware by PEM

Flush Standoff, 4-40, .250" Zinc plus Clear Chromate

SKUSO-440-8
Thread Size4-40 x .250″
Hole size in sheet (+0.003/-.0.000).168″
Minimum sheet thickness0.040″
Maximum sheet thickness.125″
Fastener materialSteel
Minimum distance hole C/L to edge0.230″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole..314″
Recommended panel materialSteel/Aluminum
Coating typeZinc
Length.250″
Aluminum material ranges (5052, 6061, 7075)0.040″-0.125″
Steel material ranges (CRS, HRPO, HR)0.048″-0.119″