We export international standard grades including DIN 42CrMo4 Round Bar, 1.7225 Round Bar and JIS SCM440 Round Bar that meet strict engineering specifications required by UK manufacturers. Our 42CrMo4 Alloy Steel Round Bar and 42CrMo Alloy Steel Bar are widely used in high-stress mechanical systems due to their precision and consistency.
Super Metal Manufacturing Co. specializes in providing Chromoly Steel Round Bar and Cr-Mo Steel Round Bar featuring high hardness, heat-treatable capability and improved impact strength. These steel bars are used extensively in the UK for gears, shafts, axles, crankshafts, connecting rods, hydraulic components, drill collars, and performance machinery.
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 | United Kingdom | 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 |
Our Alloy Steel 4140 Round Bar and 4140 Forged Round Bar are processed using advanced metallurgical techniques and rigorous quality checks. We offer global equivalents such as UNS G41400 Round Bar, BS 708M40 Round Bar, AFNOR 42CD4 Round Bar and ISO 42CrMo4 Round Bar to meet the requirements of UK engineering industries.
As a premium 4140 Round Bars Exporter in United Kingdom, we ensure prompt supply, competitive pricing, customized solutions and reliable customer support. Our wide stock range and commitment to quality makes us a trusted partner for UK industrial buyers seeking 42CrMo4 Alloy Steel Round Bar, Chromoly Steel Round Bar and 4140 Forged Round Bar.
Our commitment to quality, customer satisfaction, and continuous innovation has positioned us among the most preferred Chromoly Steel Round Bar exporters in United Kingdom. Whether you need custom sizes, heat-treated conditions, or special finishes, we deliver tailor-made 4140 Round Bars to meet your exact project specifications.
As a reputed 4140 Round Bars Exporter in United Kingdom, Super Metal Manufacturing Co. emphasizes high-quality production, timely delivery, and excellent customer service. Our Chromoly Steel Round Bar, Cr-Mo Steel Round Bar, and 4140 Forged Round Bar are trusted by United Kingdoman manufacturers for their precision, strength, and long-lasting performance.
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 – 4140 Round Bars Exporter in United Kingdom
Q1: Why choose Super Metal Manufacturing Co. for 4140 Round Bars in the UK?
A1: We supply premium-grade 4140 Round Bar with global quality standards, fast delivery, certifications and competitive pricing for UK industries.
Q2: Which grades do you offer for 4140 Round Bars in the UK?
A2: We supply AISI 4140, SAE 4140, EN19, DIN 42CrMo4, 1.7225, JIS SCM440, UNS G41400, BS 708M40, AFNOR 42CD4 and ISO 42CrMo4 Round Bar grades.
Q3: What are the common applications of 42CrMo4 Alloy Steel Round Bar?
A3: Used for gears, shafts, axles, heavy machine parts, hydraulic shafts, aerospace hardware, and industrial powertrain components.
Q4: Do you provide custom sizes and heat treatment?
A4: Yes, we offer customized sizes, lengths, machining, and heat-treatment options for Alloy Steel 4140 Round Bar for UK buyers.
Q5: How to request a quote for 4140 Round Bars in the UK?
A5: Contact us by email or website to get the best price from a trusted 4140 Round Bars Exporter in United Kingdom.