EN39B Round Bar
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Our company is one of India’s biggest manufacturers, suppliers, exporters, & stockists of EN39B Round Bars. Our company offers the highest quality EN39B Round Bars to a variety of industries around the world. We offer a wide range of round bars that range in thickness from 15mm to 400mm and are available in a variety of conditions such as hot rolled, annealed, and pickled. The expertise we have in heat treatment makes us one of the leading companies in the production and export of EN39B Round Bars with a nearby and specified chemistry and achieving the mechanical properties demanded by our customers.
It is generally the case that EN39B has a maximum HB 277 annealed condition, which is typically a 4 1/4% Nickel Chromium Molybdenum carburization condition with 4 1/4% nickel chrome molybdenum carburizing condition. By being heat treated and carburized, it develops a hard, wear-resistant case of approximately Rc 6-63 and a strong core with a typical tensile strength of 1000-1400 MPa, in small to quite large sections.
It is particularly suitable for highly stressed or large gears, camshafts, bearings, heavy-duty worms, and similar applications, as well as for high tensile applications that require a carburized but through hardened and tempered material.
As a result of the high tensile strength and corrosion resistance of EN39B Alloy Steel Round Bar, it is an ideal item for shafting and bolt applications. Moreover, the alloy steel round bar is highly recommended for use in many different industries due to its high tensile strength and corrosion resistance. It is only a matter of time before these EN39B Alloy Steel Round Bars are processed with the highest quality steel and the latest machinery in accordance with industry standards. Additionally, we can also make customized EN39B Alloy Steel Round Bars according to the customer’s specifications, which we provide.
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Types Of EN39B
AS X9315 Hex Bars | 835M15 Forged Round Bars | DIN 1.2764 Forged Blocks |
DIN: 15NiCrMo16-5 Billets | EN39B Fasteners | DIN X19NiCrMo4 Forged Custom Shapes |
835M15 Forged Square Bars | 832M13 Forged Bars | DIN 1.2764 Forged Machined Parts |
DIN: 15NiCrMo16-5 Flat Bars | DIN X19NiCrMo4 Pipes | GOST 18Х2Н4ВА Shafts |
AS X9315 Round Bars | EN39B Circular Plates | EN39B Square Bars |
Mechanical Properties Of EN39B Round Bar
Typical Mechanical Properties – Quenched at 830oC and tempered at 200°C | |||
Section Size mm | 25 | 50 | 100 |
Tensile Strength | 1350 | 1300 | 1180 |
Yield Strength Mpa | 1150 | 1100 | 920 |
Elongation % | 13 | 15 | 17 |
Impact Izod J | 50 | 72 | 82 |
Hardness HB | 400 | 380 | 350 |
Chemical Composition Of EN39B Round Bar
ELEMENT | MIN. % | MAX. % |
Carbon | 0.12 | 0.18 |
Silicon | 0.10 | 0.35 |
Manganese | 0.25 | 0.50 |
Nickel | 3.90 | 4.30 |
Chromium | 1.00 | 1.40 |
Molybdenum | 0.15 | 0.3 |
EN39B Round Bar Mechanical Properties
PROPERTY | VALUE |
Tensile Strength | 480-1200 MPa |
Yield Strength | 250-750MPa |
Elongation | 11-26% |
Hardness | 180-350 HB |
EN39B Round Bar Round Bars Size
Product Name
- En39B Hot Rolled Round Bars
- En39B Cold Rolled and Cold Drawn Round bars
- En39B Peeled Round Bars
- En39B Ground Round Bars
- En39B Polished Round Bars
- En39B Turned Round Bars
- En39B Forged Bars
- En39B Proof Machine Bars
Size
- 16mm dia to 250mm dia
- 3mm dia to 100mm dia
- 3mm dia to 65mm dia
- 3mm dia to 65mm dia
- 3mm dia to 65mm dia
- 10mm dia to 1200mm dia
- 30mm dia to 1500mm dia
- 30mm dia to 1500mm dia
EN39B Round Bar applications Industry
- Production and transportation of oil and gas
- Power Generation
- Off-Shore Oil Drilling Companies
- Duplex 2205 Stainless Pipe & Condensers pipes
- Petrochemicals
- Gas Processing
- Heat exchangers
- Pipe for Sea Water Equipment
- Pharmaceutical Equipment
- Cooling pipe
- Structural and mechanical components
- Chemical Equipment