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Hexagon Bars
Ramdevra Metal Industries is the largest producer of hexagon bars in India. Ramdevra Metal Industries produces these materials for a wide variety of applications and industrial sectors.
These user segments are the benchmark for quality. Every part is continually and stringently checked for quality and certified. Ramdevra Metal Industries are melted, cast and formed with the perfection and care. It took Ramdevra Metal Industries many years of constant trials & errors, before gaining a complete control over this steel.
The dual phase structure demands a perfect balance in the chemistry of these steels. Duplex steels also show an irregular behavior when undergoing various hot working processes.
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what is Hexagon Bars?
Steel hexagonal bars is a highly versatile engineering material. Typical applications include fasteners including bolts and nuts and in the production of repetitively turned parts. Steel is a cost-effective material which is recyclable.
Who invented hexagon bars?
Why is it called a hexagon bars ?
Its design has since changed from the original into a hexagonal shape, and can be correctly referred to as a “hex bar”.
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hexagon bars Specification
A typical stainless steel hexagon bar ranges from 12mm-45mm diameter. They are durable, heat resistant, low maintenance, impact resistant and flexible. Therefore, the bars have all the features that are vouched for by the industries.
| Size range | 1 mm – 80 mm (1/2 inch- 1 ¾ inch) | |||
| Size Tolerances | h10 and h11 | |||
| Length | 2 metres – 6 metres | |||
| Chamfering | Available in 30 to 60 degree through fully automatic both-end chamfering machine (Only in Hexagon bars) | |||
| Crack Test | Magnetic Particle Inspection (MPI) | |||
| Ultrasonic Test | 100% tested through Digital Ultrasonic Flaw Detector, as per ASTM A-388, EN 10308 (class 1 to 4), API 6A/ISO 10423:2003-PSL 3, SEP 1920:1984 (class A, B,C), MIL STD 2154 |
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| Length Tolerance | Available in special cut to length bars in tolerance –0/+10 mm (-0/+0.5 inch) | |||
| Surface Finish | Cold drawn condition and Belt polished condition | |||
| Heat Treatment | Solution Annealed, Annealed | |||
| Grades | AISI: 303, 304L, 316L, 316Ti, 321, 409, 410, 430F, 17-4 PH/630 DIN: 1.4305, 1,4307, 1.4404, 1.4571, 1.4541, 1.4006, 1.4104, 1.4016, 1.4542 |
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| We make customized HRAP stainless steel square bars to meet the clients’ industry-specific needs. Please find the specifications for it below. |
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hexagon bars manufacturing Process
Hot Rolled, Cold Rolled And Cold Drawn Steel
In the world of steel manufacturing process, the stainless steel undergoes a lot of processes starting with molding, rolling and ending with reshaping. In between, the tensile strength to the steel is imparted by passing it through different temperatures. It is the rolling of the steel where the metal stock is passed through the pair of rolls.
The temperature at which the steel undergoes for rolling is determined as per the application for which it will be used. However, there are three types of processes under it –
Hot Rolling: Herein, the temperature of the metal should be greater than the recrystallization temperature, or it should be such that it can alter the grain structure.
Cold Rolling: This method is performed at the room temperature, and the temperature of the metal should be below the recrystallization temperature.
Cold Drawn: Similar to Cold Rolling, this process is too performed at room temperature, but in this process, the steel culminates into the wire like spokes of a wheel or paper clip. As per the customer’s specifications, steel undergoes any of the aforementioned processes, and they are then transformed into requisite shapes such as the stainless steel hexagon bars.
Hexagon Bars Grades
The stainless steel come in a variety of grades and our top-notch facilities are equipped with technologically advanced equipment. The sophisticated machines coupled with direct supervision help us to produce high-quality steel.
We have developed a niche in this industry and our clients can ask for stainless steel in grades like Stainless Steel 303, Stainless Steel 304, Stainless Steel 316, Stainless Steel 420, Stainless Steel 431, and Stainless Steel 2205 and much more.
| Grade | Description |
|---|---|
| 303 | 303 Hexagon Bars grade represents the optimum in machining among the austenitic stainless steels. It is primarily used when production involves extensive machining. 303 is available in Improved Machining grade with machining characteristics significantly higher than that of the standard 303. |
| 304 | 304 Hexagon Bars grade is dual certified as grade 304 and 304L. Grade 304 is the standard “18/8” stainless. It has excellent forming and welding characteristics. Grade 304L, the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge components. 304 is available in Improved Machining grade with machinability significantly higher than that of the standard 304. |
| 316 | 316 grade is dual certified as grade 316 and 316L. 316 Hexagon Bars is the standard molybdenum-bearing stainless steel, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. 316 is available in Improved Machining grade with machinability significantly higher than that of the standard 316. |
| 420 | 420 Hexagon Bars grade can be hardened by quench-and-temper heat treatment. It contains a minimum of 12 per cent chromium, just sufficient to give corrosion resistance properties. It has good ductility in the annealed condition but is capable of being hardened up to Rockwell Hardness 50HRC, the highest hardness of the 12 per cent chromium grades. Its best corrosion resistance is achieved when the metal is hardened and surface ground or polished. 420 is available in Improved Machining grade with machinability significantly higher than that of the standard 420. |
| 431 | 431 grade is a heat treatable martensitic, nickel-bearing grade has the best corrosion resistance properties of all the martensitic grades. It has excellent tensile and torque strength, and good toughness, making it ideally suited to shafting and bolt applications. It can be hardened to approximately 40HRC. Because of its high yield strength, this grade is not readily cold worked and is therefore not recommended for use in operations such as cold heading, bending, deep drawing or spinning. 431 is available as in Improved Machining grade with machinability significantly higher than that of the standard 431. |
| 2205 | 2205 grade is the most widely used duplex (ferritic/austenitic) stainless steel grade. It finds applications due to both excellent corrosion resistance and high strength. |
Hexagon Bars Shape
Hexagon Bars Application Industries
The stainless steel bars are commonly used as a raw material by several industries. Gone are the days when the only application of stainless steel was found useful by the kitchen utensil manufacturers. Today, it is a billion-dollar industry, and it is making its presence felt worldwide. Each day, increasing number of sectors are realizing the importance of stainless steel. It is rightly called as the Green Metal because it is environment-friendly and can be recycled. The industries that it caters to include-
- Pumps/Electric Motor Industry
- Automobile Industry
- Defence Sector
- Railways
- Health & Sports
- Agriculture
- Textile Industry
- Decorative & Furniture
- Food Processing Industry
- Tools & Fixtures
- Houses & Fittings
- Mining
- Miscellaneous