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300M Alloy Steel (4340M) Rod/Bar Suppliers | 300M Alloy Steel (4340M) Rod/Bar Price in india

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300M Alloy Steel (4340M) Rod/Bar, Round Bar Latest Price in India

Comprehensive range of 300m round bar, 300m bar stock, 300m torsion bars, 300m flat bar, 300m steel bar stock, 300m alloy steel bar, 300m steel round bar for automotive, textile, fabrication, construction, cement, ship building, paper and pulp, defence, heavy earth moving equipments or aerospace..

25 years of world class manufacturing of 300M Alloy Steel (4340M) Rod/Bar, renowed & trusted manufacturer, exporter in india of 300M Alloy Steel (4340M) Rod/Bar. manufacturing 300M Alloy Steel (4340M) Rod/Bar as per international standards

Supplying 300M Alloy Steel (4340M) Rod/Bar In India At Factory Price

300M Alloy Steel (4340M) Rod/Bar Suppliers| 300M Alloy Steel (4340M) Rod/Bar Price in india

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High Tensile Steel 300M Bars Price in India
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Give us a call today to get all the information, +91-98210 71212, If you're looking to buy or sell 300M Alloy Steel (4340M) Rod/Bar, we can help., call to our Distributor in India or mail us to sales@technicalmetalcorp.com for instant free quote of 300M Alloy Steel (4340M) Rod/Bar

300M is a low alloy vacuum melted steel of very high strength. It is a modified AISI 4340 with silicon, vanadium and slightly higher carbon and molybdenum content that 4340. It has a very good combination of strength and toughness, fatigue, strength and good ductility. It is a through hardened alloy.
Applications: 300M is used for high strength parts in the range of 55HRc, such as high performance auto parts, aircraft landing gear, airframe parts and any other high strength applications.
Colour Code Stocked Sizes
Silver (Bar End)
300M Alloy Steel (4340M) Rod/Bar Suppliers| 300M Alloy Steel (4340M) Rod/Bar Price in india
300M Rounds
300M Hexagons
300M Hollow Bar
300M Square
Bar Finish
Peeled, Smooth Turned.
Related Specifications
Australia
Germany DIN 1.6928
Great Britain
International
Japan
USA UNS K44220ASTM A579, A646AMS 6417, 6419MIL S-8844DMIL S-8844 Class 2
Chemical Composition (Base Material)
Min. % Max %
Carbon 0.38 0.46
Silicon 1.45 1.80
Manganese 0.60 0.90
Chromium 0.70 0.95
Molybdenum 0.30 0.65
Phosphorous 0 0.01
Sulphur 0 0.01
Nickel 1.65 2.00
Vanadium 0.05
Mechanical Property Requirements for Steels in the Heat-Treated Condition for Turned,
Peeled
Mechanical Property Designation
Tensile Strength Mpa Min 1931
Max
0.2% Proof Stress Mpa Min 1586
Elongation on
5.65√S0 %
Min 7
Izod Impact J Min
Charpy Impact J Min
Hardness Brinell HB Min
Max
Forming
Forming by conventional methods is good in the annealed condition.
Heat Treatment
Annealing
Anneal at 840oC and slow furnace cool at a rate of less than 10oC per hour down to 310C. From there it may be air cooled.
Hardening
300M must be normalized at 960oC before hardening. After the normalizing treatment the alloy is hardened by heating to 870oC and oil quenched.
Nitriding
Normalizing
Heat to 880 oC - 920 oC, hold until temperature is uniform throughout the section, soak for 10 - 15 minutes and cool in still air.
Stress Relieving
290oC
Tempering
temper at 310oC to give a nominal 55Rc
Notes on Heat Treatment
Machining
Perferably done in the normalised or normalised and tempered condition. Final machining to finished tolerances is done by grinding with care due to hardness of (RC55). Stress relieve at 290oC after finish grinding.
Welding
300M can be welded. It must be pre and post heated because the alloy will air harden due to heat input from welding. Job must be re-normalised and tempered prior to final heat treatment. 300M can be joined by fusion methods or flash resistance welding.
Technical Metal Corporation believes the information provided is accurate and reliable. However no warranty of accuracy, completeness or reliability is given, nor will any responsibility be taken for errors or omissions.

 

Give us a call today to get all the information, +91-98210 71212, If you're looking to buy or sell Stainless Steel Round Rod/Bar, we can help., call to our Distributor in India or mail us to sales@technicalmetalcorp.com for instant free quote of Stainless Steel Round Rod/Bar

INDUSTRY WE SERVE mm

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  • » 300M Alloy Steel (4340M) Rod/Bar uses in General purpose applications
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  • » 300M Alloy Steel (4340M) Rod/Bar uses in also used for other industrial purpose etc.

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300M Alloy Steel (4340M), 300M / E4340 Mod Alloy Steel (AMS 6417 / AMS 6419), 300M Steel Suppliers
300M VAR (4340 Modified) 1-7/8" Round Bar, 300M Aircraft Alloy Round Bar, 300m Ams 6419 Alloy Steel Bars at Rs 250 /kilogram(s)