Steel Suppliers and stockholders - Steel Express

AISI 4130

AISI 4130 - chromium molybdenum alloy steel. A low alloy steel is used in oil patch applications and used widely as an aircraft steel. 4130 is an oil and gas steel grade with a lower carbon content than 4140 giving 4130 improved weldability, the trade off is reduced through thickness strength. 4130 has a low resistance to corrosion. 4130 can also be used to make car connecting rods, shafts, fittings, engine mounting lugs, bushes, gears, axles, bolts, gas cylinders, airframe components, hydraulic lines and nitrided machinery parts. Typical range of hardness is 90-96 Rockwell B.

The 41xx family of steel include chromium and molybdenum and are often referred to as chromoly steel or chrome-moly. Chromoly steels have an excellent strength to weight ratio but do not contain sufficient quantities to provide the levels of corrosion resistance found in stainless steels. These steel are often used in aircraft parts also frequently used within the gas and oil industry.

AISI 4130 is supplied treated in the T condition Brinell 248-302. We can offer AISI 4130 in blocks flats and squares from stock.

AISI 4130 steel composition

C

SI

MN

S

P

0.28/0.33

0.15/0.35

0.40/0.60

0.025 MAX

0.025 MAX

Cr

Mo

Ni

0.80/1.10

0.15/0.25

0.50 max

 

Approximate equivalents: 25CrMo4, DIN 1.7218, 30CrMo, 708A25, 708M25, 30CrMo, SCM430

Steel Weight Calculator >>

Popular AISI 4130 size ranges shown below, other sizes available upon request.

As we cut all our AISI 4130 flats & squares from plate we can cut other sizes more suitable for you.

10mm x 20, 25, 30, 40, 50, 60, 65, 70, 75, 80, 85, 90, 95, 100, 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500

20mm x 20, 25, 30, 40, 50, 60, 65, 70, 75, 80, 85, 90, 95, 100, 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500

30mm x 35, 40, 50, 60, 65, 70, 75, 80, 85, 90, 95, 100, 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500

40mm x 50, 60, 65, 70, 75, 80, 85, 90, 95, 100, 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500

50mm x 60, 65, 70, 75, 80, 85, 90, 95, 100, 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500

60mm x 65, 70, 75, 80, 85, 90, 95, 100, 120, 125, 130, 140,150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500,

70mm x 75, 80, 85, 90, 95, 100, 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500

80mm x 85, 90, 95, 100, 120, 125, 130, 140,150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500

90mm x 95, 100, 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500, 550, 600, 700, 800, 900, 1000

100mm x 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500, 550, 600, 700, 800, 900, 1000

110mm x 120, 125, 130, 140, 150, 160, 180, 200, 250, 250, 300, 320, 350, 400, 500, 550, 600, 700, 800, 900, 1000

120mm x 125, 130, 140, 150, 160, 180, 200, 250, 300, 320, 350, 400, 500, 550, 600, 700, 800, 900, 1000

130mm x 140, 150, 160, 180, 200, 250, 300, 320, 350, 400, 500, 550, 600, 700, 800, 900, 1000

140mm x 150, 160, 180, 200, 250, 300, 320, 350, 400, 500, 550, 600, 700, 800, 900, 1000

150mm x 160, 180, 200, 250, 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

160mm x 180, 200, 250, 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

180mm x 200, 250, 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

190mm x 200, 250, 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

200mm x 220, 250, 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

220mm x 250, 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

250mm x 260, 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

280mm x 300, 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

300mm x 320, 350, 350, 400, 420, 450, 480, 500, 550, 600, 700, 750, 780, 800, 820, 850, 900, 1000

AISI 4130 Flats and Squares

25 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190
25 x
30 x x
35 x x
40 x x x
45 x x x
50 x x x x
55 x x x x
60 x x x x x
65 x x x x x x
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75 x x x x x x
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110 x x x x x x x x x x
120 x x x x x x x x x x x
125 x x x x x x x x x x x
130 x x x x x x x x x x x x
140 x x x x x x x x x x x x x
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160 x x x x x x x x x x x x x x x
170 x x x x x x x x x x x x x x x
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190 x x x x x x x x x x x x x x x x x x
200 x x x x x x x x x x x x x x x x x x
220 x x x x x x x x x x x x x x x x x x
230 x x x x x x x x x x x x x x x x x x
240 x x x x x x x x x x x x x x x x x x
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260 x x x x x x x x x x x x x x x x x x
270 x x x x x x x x x x x x x x x x x x
280 x x x x x x x x x x x x x x x x x x
290 x x x x x x x x x x x x x x x x x x
300 x x x x x x x x x x x x x x x x x x
310 x x x x x x x x x x x x x x x x x x
320 x x x x x x x x x x x x x x x x x x

 

See also AISI 4140

 

Tool Steel

01

A2

D2

D2 Supreme™

D3

H13

M42

M2

P20

• 1.2316

Engineering Steel

EN1A

EN1A LD

EN3B

EN8

EN9

EN14

EN16

EN19

EN24/EN24T

EN36

Alloy24™

Structural Steel

Angles

RHS

CHS

Seamless Tubes

ERW

Flats

Squares

Sheets

Universal Beams

Universal Columns

Channels

T sections

Rounds

Stainless Steel

303

304

316

410

17-4PH

Stainless Steel Sheet

Stainless Steel Bar

Stainless Steel Tube

Cast Iron

Grey cast iron

SG iron

Steel Express

Based in Wolverhampton, West Midlands, Steel Express are steel suppliers and stockholders. Stock is delivered on our own fleet of vehicles locally and nationally quickly and efficiently on the day we say we will.

We also provide a free issue cutting service, press braking, fabrication and forging.

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