In the technologically advanced regions like Japan, Germany, and South Korea, we are recognized as a preferred EN19 Hollow Bars Manufacturer Stockist and Exporter due to our strict adherence to international quality standards such as ASTM, DIN, BS, and EN. Our in-house facilities allow us to maintain dimensional accuracy, surface finish, and consistent mechanical properties, which are essential for high-precision applications.
Material Specification Chart of EN19 Hollow Bars
Specifications | ASTM A182, ASME SA182 |
---|---|
standard | EN, DIN, JIS, ASTM, BS, ASME, AISI |
Range | 25mm to 250mm OD |
Thickenss | 0.5mm to 500mm Diameter |
Finish | Black, Bright Polished |
Form | Hollow,Billet, Ingot, Forging Etc. |
SAE EN19 Hollow Bars Grade
Country names | India | 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 |
Super Metal Manufacturing Co. is also a leading EN19 Hollow Bars Manufacturer Stockist and Exporter in the United States, the United Kingdom, and South Africa. These countries demand top-grade materials for sectors such as aerospace, defense, shipbuilding, and agriculture machinery. Our hollow bars offer a cost-effective solution for components requiring high strength-to-weight ratio and corrosion resistance, while also reducing machining time and material wastage.
We also serve the growing industrial needs of Oman, UAE, and Bhramin, providing them with dependable supply chains and quick turnaround on bulk and urgent orders. As a dedicated EN19 Hollow Bars Manufacturer Stockist and Exporter in UAE and Oman, we ensure full traceability, competitive pricing, and technical documentation for all our supplies, making us a preferred vendor among EPC contractors and manufacturers.

With a global network and strong reputation, Super Metal Manufacturing Co. continues to expand its presence across international markets. From Spain to South Korea, our EN19 Hollow Bars are known for their consistent performance, metallurgical excellence, and superior service life. Choose us as your trusted EN19 Hollow Bars Manufacturer Stockist and Exporter for durable, precision-engineered steel solutions.
Alloy Steel 42crmo4 Hollow Bars Dimensions Standard
Outer Diameter (OD) | Wall Thickness (WT) | Inner Diameter (ID) | Approx. Weight (kg/m) | Tolerance (mm) |
---|---|---|---|---|
50 mm | 10 mm | 30 mm | ~9.6 kg/m | ±0.5 mm |
60 mm | 10 mm | 40 mm | ~12.6 kg/m | ±0.5 mm |
70 mm | 12 mm | 46 mm | ~17.4 kg/m | ±0.5 mm |
80 mm | 15 mm | 50 mm | ~22.3 kg/m | ±0.5 mm |
90 mm | 15 mm | 60 mm | ~26.1 kg/m | ±0.5 mm |
100 mm | 20 mm | 60 mm | ~36.7 kg/m | ±0.5 mm |
110 mm | 20 mm | 70 mm | ~40.8 kg/m | ±0.5 mm |
120 mm | 25 mm | 70 mm | ~51.4 kg/m | ±0.5 mm |
130 mm | 25 mm | 80 mm | ~56.9 kg/m | ±0.5 mm |
150 mm | 30 mm | 90 mm | ~74.7 kg/m | ±0.5 mm |
Application of AISI Alloy Steel 4140 / EN19 / 42crmo4 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.