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Home / Metals & Plastics / Steel / 4130 Sheet /4130 Steel Sheets
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4130 STEEL SHEETS

13 Reviews 4 Answered Questions
From $1.44 to $349.00
Thickness Size
(in.)		 Part No. Price Buy
.025 6 x 12 03-21800 $1.57
Quantity
.025 9 x 9 03-21850 $2.83
Quantity
.025 9 x 18 03-21900 $5.04
Quantity
.025 18 x 18 03-22000 $11.25
Quantity
.025 18 x 36 03-22100 $22.50
Quantity
.025 18 x 72 03-22150 $45.00
Quantity
.032 6 x 12 03-22510 $4.75
Quantity
.032 9 x 9 03-22515 $5.50
Quantity
.032 9 x 18 03-22520 $10.75
Quantity
.032 18 x 18 03-22525 $21.25
Quantity
.032 18 x 36 03-22530 $42.25
Quantity
.032 18 x 72 03-22535 $83.75
Quantity
.040 6 x 12 03-22600 $3.45
Quantity
.040 9 x 9 03-22650 $3.77
Quantity
.040 9 x 18 03-22700 $7.75
Quantity
.040 18 x 18 03-22800 $14.96
Quantity
.040 18 x 36 03-22900 $29.93
Quantity
.040 18 x 72 03-22950 $59.85
Quantity
.040 8 x 8 03-56302 $2.95
Quantity
.040 12 x 12 03-56304 $6.64
Quantity
.040 20 x 12 03-56316 $11.13
Quantity
.040 26 x 10 03-56312 $12.35
Quantity
.040 12 x 24 03-56306 $13.65
Quantity
.040 14 x 30 03-56308 $19.40
Quantity
.040 18 x 30 03-56310 $24.90
Quantity
.050 6 x 12 03-23000 $1.94
Quantity
.050 9 x 9 03-23050 $4.35
Quantity
.050 9 x 18 03-23100 $8.75
Quantity
.050 18 x 18 03-23200 $17.46
Quantity
.050 18 x 36 03-23300 $34.92
Quantity
.050 18 x 72 03-23350 $69.85
Quantity
.050 4 x 24 03-56320 $5.17
Quantity
.050 12 x 12 03-56318 $7.76
Quantity
.050 8 x 24 03-56322 $10.50
Quantity
.050 12 x 24 03-56324 $15.65
Quantity
.063 6 x 12 03-23400 $5.25
Quantity
.063 9 x 9 03-23450 $6.75
Quantity
.063 9 x 18 03-23500 $11.75
Quantity
.063 18 x 18 03-23600 $21.75
Quantity
.063 18 x 36 03-23700 $42.65
Quantity
.063 18 x 72 03-23750 $83.75
Quantity
.063 10 x 10 03-56326 $6.75
Quantity
.063 10 x 14 03-56332 $8.50
Quantity
.063 12 x 12 03-56328 $9.93
Quantity
.063 12 x 24 03-56330 $18.50
Quantity
.071 6 x 12 03-23800 $6.75
Quantity
.071 9 x 9 03-23850 $7.75
Quantity
.071 9 x 18 03-23900 $14.85
Quantity
.071 18 x 18 03-24000 $29.85
Quantity
.071 18 x 36 03-24100 $59.60
Quantity
.071 18 x 72 03-24150 $119.95
Quantity
.071 4 x 4 03-56334 $1.44
Quantity
.071 12 x 12 03-56336 $13.50
Quantity
.071 12 x 24 03-56338 $19.90
Quantity
.080 6 x 12 03-24200 $6.25
Quantity
.080 9 x 9 03-24250 $8.50
Quantity
.080 9 x 18 03-24300 $14.75
Quantity
.080 18 x 18 03-24400 $26.75
Quantity
.080 18 x 36 03-24500 $51.75
Quantity
.080 18 x 72 03-24550 $103.95
Quantity
.080 2 x 10 03-56354 $2.10
Quantity
.080 12 x 24 03-56340 $22.50
Quantity
.090 6 x 12 03-24600 $8.75
Quantity
.090 9 x 9 03-55500 $9.25
Quantity
.090 9 x 18 03-24700 $18.25
Quantity
.090 18 x 18 03-24800 $36.25
Quantity
.090 8 x 36 03-24900 $72.25
Quantity
.090 18 x 72 03-24950 $144.95
Quantity
.090 2 x 10 03-56344 $2.25
Quantity
.090 6 x 8 03-56342 $10.70
Quantity
.090 12 x 24 03-56346 $32.25
Quantity
.100 6 x 12 03-25000 $8.39
Quantity
.100 9 x 18 03-25100 $18.75
Quantity
.100 18 x 18 03-25200 $37.44
Quantity
.100 18 x 36 03-25300 $74.88
Quantity
.100 18 x 72 03-25350 $149.75
Quantity
.125 6 x 12 03-55300 $9.95
Quantity
.125 9 x 9 03-25370 $13.25
Quantity
.125 9 x 18 03-25400 $22.75
Quantity
.125 18 x 18 03-25500 $42.50
Quantity
.125 18 x 36 03-25600 $82.00
Quantity
.125 18 x 72 03-25650 $159.50
Quantity
.125 10 x 24 03-56348 $29.25
Quantity
.125 12 x 24 03-56350 $35.70
Quantity
.190 9 x 9 03-25660 $18.70
Quantity
.190 9 x 18 03-25700 $38.75
Quantity
.190 18 x 18 03-25750 $71.50
Quantity
.190 18 x 36 03-26025 $136.95
Quantity
.250 9 x 9 03-25850 $21.78
Quantity
.250 9 x 18 03-25900 $44.65
Quantity
.250 18 x 18 03-25950 $87.25
Quantity
.250 18 x 36 03-26050 $174.50
Quantity
.250 18 x 72 03-00106 $349.00
Quantity
Subtotal $0.00
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Overview

4130 STEEL SHEETS
MIL-S-6345A NORMALIZED
Formerly MIL-S-18729C
This chromium-molybdenum alloy is one of the most widely used aircraft steels because of its combination of weldability, ease of fabrication and mild hardenability. It will respond to heat treatment to high strength levels and yet, in the annealed condition, it has adequate strength for many applications. Used for the manufacture of parts and components.

Tensile strength 75,000-85,000 PSI. Sheared to sheet and strip sizes listed below. Subject to availability of normalized sheet, annealed 4130 sheet may be substituted. Less 10% discount on 6 sheets 18" x 36" or 3 sheets of 18" x 72" per part number.

If Mfg. Test Reports are required, there's a minimum $15.00 charge per order. Please indicate P/N 01-01133 in the Special Instructions Box during the checkout process.
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Reviews

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shipped on time...

Erik W
March 3, 2019

Quality matl...speedy shipment.

Earl T
February 1, 2019

Exactly what we were needing. Just the right amount of material we wanted for this project plus the certs. Like the availability of smaller pieces and not having to order a large amount we wont use up right away.

Kay
November 6, 2018

Product as described, fast shipping!

Joey S
May 18, 2018

Fast shipping and very well packed.

Aidan
April 21, 2018

Exactly what I wanted

Jim G
March 17, 2018

Good to have around the shop for making parts and the usual great Aircraft Spruce pricing! Now if we could figure out how to get some of that free shipping to Alaska...

Andy
January 6, 2018

Good steel at a great price, and quick shipping too. Iâm using the 6âx12â sheets of 0.05â for armor and itâs working great so far.

Stephen
December 15, 2017

What can one say about 4130 sheet? I needed to make some wheel pant brackets and it worked fine. Thanks. DM

Dick M
November 13, 2017

This is great plate and getting hard to find in small pieces....As you always have for 25 years....Great Job.... Thanks

Lary S
October 16, 2017

Q&A

Submit
Q: Does the 0.050 4130 sheet certification include AN-QQ-S-685

It is not listed on the Cert. Test report reads: AMS6345B Normalized or otherwise Heat Treated(Successor to MIL-S-18729) Chemestry to ASTM A505 & A506

Q: Are these 4130 steel sheets domestic material?

Yes, this is domestic material.

Q: Which dimension quoted does the grain direction run on the 4130 steel sheets?

The grain runs the long dimension.

Q: Is this 4130 sheet annealed or normalized?

Annealed.

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