In addition, we supply a complete range of JIS SCM440 Round Bar, UNS G41400 Round Bar, and BS 708M40 Round Bar to various industrial sectors across Australia. All our alloy steel round bars are produced in compliance with international specifications such as AFNOR 42CD4 Round Bar and ISO 42CrMo4 Round Bar, ensuring high reliability, uniform properties, and global acceptance.
Material Specification Chart of 4140 Round Bar
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Standards | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Range of Diameter | 5mm to 500mm |
| Finish | Bright, Black, Forged, Turned Bright |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Billet, Ingot, Forging Etc. |
SAE 4140/ EN19 / 42crmo4 Round Bars Grade
| Country names | Australia | USA | German | British | Japan | China | Australia | |
|---|---|---|---|---|---|---|---|---|
| Country standards | UNS | AISI | ASTM A29 | DIN 17200 | BS 970 | JIS G4105 | GB/T 3077 | AS 1444 |
| Grades | G41400 | 4140 | 4140 | 1.7225/ 42CrMo4 | EN 19 / 42CrMo4 | SCM440 | 42CrMo | 4140 |
As a reliable 4140 Round Bars Exporter in Australia, we maintain a huge inventory of 4140 Forged Round Bar and 42CrMo Alloy Steel Bar in multiple sizes, diameters, and finishes. Our strong distribution network enables us to deliver alloy steel bars quickly to major industrial cities like Sydney, Melbourne, Perth, and Brisbane, supporting clients with both bulk and customized orders.
Our team of experts ensures that every Alloy Steel 4140 Round Bar and EN19T Round Bar undergoes strict quality inspections, including ultrasonic testing, hardness testing, and mechanical property evaluation. We prioritize customer satisfaction by offering consistent quality, timely delivery, and competitive pricing.
Choose Super Metal Manufacturing Co. as your trusted 4140 Round Bars Exporter in Australia and experience superior quality, reliability, and global-standard alloy steel solutions for your industrial needs.
Alloy Steel 4140 Round Bars Dimensions Standard
| Diameter or Width (mm) |
Weight per meter | Sectional Area | Perimeter |
| Round (kg) |
Round (cm²) |
Round (cm) |
|
| 5.0 | 0.15 | 0.20 | 1.57 |
| 5.5 | 0.19 | 0.24 | 1.78 |
| 6.0 | 0.22 | 0.28 | 1.88 |
| 7.0 | 0.30 | 0.38 | 2.20 |
| 8.0 | 0.39 | 0.50 | 2.51 |
| 9.0 | 0.50 | 0.64 | 2.83 |
| 10 | 0.63 | 0.79 | 3.14 |
| 11 | 0.75 | 0.95 | 3.46 |
| 12 | 0.89 | 1.13 | 3.77 |
| 14 | 1.21 | 1.54 | 4.40 |
| 16 | 1.58 | 2.01 | 5.03 |
| 18 | 2.00 | 2.54 | 5.65 |
| 20 | 2.47 | 3.14 | 6.28 |
| 22 | 2.98 | 3.80 | 6.91 |
| 25 | 3.85 | 4.91 | 7.85 |
| 28 | 4.83 | 6.16 | 8.80 |
| 32 | 6.31 | 8.04 | 10.05 |
| 36 | 7.99 | 10.18 | 11.31 |
| 40 | 9.86 | 12.57 | 12.57 |
| 45 | 12.49 | 15.90 | 14.14 |
| 50 | 15.41 | 19.64 | 15.71 |
| 56 | 19.34 | 24.63 | 17.59 |
| 63 | 24.47 | 31.17 | 19.79 |
| 71 | 31.08 | 39.59 | 22.31 |
| 80 | 39.46 | 50.27 | 25.13 |
FAQs About 4140 Round Bars Exporter in Australia
Q1: What is the chemical composition of 4140 Round Bar?
A1: The 4140 Round Bar contains chromium, molybdenum, and carbon as key elements that provide exceptional hardness, toughness, and resistance to wear and fatigue.
Q2: What are the main applications of AISI 4140 Round Bar in Australia?
A2: AISI 4140 Round Bars are commonly used in automotive components, gears, shafts, spindles, and power transmission parts due to their high tensile strength and machinability.
Q3: Does Super Metal Manufacturing Co. offer custom sizes and heat-treated 4140 Round Bars?
A3: Yes, we supply customized 4140 Round Bars in various sizes, conditions, and heat treatments to meet specific customer and project requirements.
Q4: Are your 4140 Round Bars certified for international quality standards?
A4: Absolutely. All our 4140 Round Bars are manufactured and tested in compliance with ASTM, DIN, EN, JIS, and ISO standards ensuring global quality and reliability.
Q5: How can I get a quote for 4140 Round Bars Export to Australia?
A5: You can contact Super Metal Manufacturing Co. directly through our website or email. Our team will provide you with a competitive quotation based on your size, quantity, and delivery needs.
Application of AISI Alloy Steel 4140 Round Bars
ASTM alloy 4140 steel bar, flat or plate material can be used for as wide variety of applications where greater toughness and wear resistance is needed over lower carbon grades. Typical applications for 4140 tool steel uses include Components, Adapters, Arbors,strippers, holder blocks, mold bases, ejectors, back up and support tooling, fixtures, jigs, molds, cams, drill collars, Axle Shafts, Bolts, Crankshafts,stubs, couplings, reamer bodies, axles, shafting, piston rods, rams, hydraulic machinery shafts, gears, sprockets, gear racks, chain links, spindles, tool bodies, tool holders, tie rods, Connection Rods, Chuck Bodies, Collets, Conveyor Pins & Rolls, Ejector Pins, Forks, Gears, Guide Rods, Hydraulic Shafts & Parts,Lathe Spindles, Logging Parts, Milling Spindles, Motor Shafts, Nuts, Pinch Bars, Pinions, Pump Shafts,boring bars,tracks, slides, wear strips or parts, forming dies, brake dies, trim dies, bolsters, machinery parts and components, etc.