A286 Round Bar

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A286 Round Bar Specification

Standard
ASTM A286, AMS 5731, AMS 5732

Application
Aerospace, Turbine Engines, High Temperature Fasteners, Gas Turbines

Length
Custom Cut, up to 6 meters

Type
Round Bar

Tolerance
+/- 0.01mm

Technique
Hot Rolled, Cold Drawn

Specific Use
High Strength and Oxidation Resistance at Elevated Temperatures

Finish
Bright, Black, Polished

Grade
A286

Material
A286 (Iron-Nickel-Chromium Alloy)

Processing
Annealed, Solution Treated

Diameter
6 mm to 250 mm

Density
7.93 g/cm

Manufacturing Method
Forged or Rolled

Corrosion Resistance
Excellent in Oxidizing Environments

Elongation
Minimum 15%

Operating Temperature
Up to 700C

Packaging
Wooden cases, bundles, or as required

Yield Strength
Minimum 415 MPa

Hardness
HRB 95-107

Surface Condition
Smooth, free from scale and cracks

Heat Treatment
Can be aged and solution treated

Tensile Strength
Minimum 895 MPa

About A286 Round Bar

What Are Specification A286 Round Bar?

Dimensions	DIN, EN, ASTM, JIS, ASME, BS, AISI
Round bar size	Diameter: 3-~800mm
Flat bar size	Thickness: 2 -100mm
Flat bar size	Width: 10 to 500mm
Angle bar size	3mm20mm20mm~12mm100mm100mm
Channel Bar	80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
Rectangular Bars Section	3.0 to 12.0mm thickness
Billet Size	1/2 to 495mm Diameter
Rectangles Size	33 x 30mm to 295 x 1066mm
Hollow Bar	32mm OD x 16mm ID to 250mm OD x 200mm ID)
Dimensions	Diameter / Height:
Tolerance	H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements
Finish	Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Surface	Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline,Polished
Condition	Hardened & tempered, annealed
Technique	Stainless Steel Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod
Processing	Bar cutting to 650mm
Form	Rod, Round, Channel Bar, T-Bar, Flat Bar, Precision Ground Bar, Blocks, Square, Rings, Round Rod, Triangle, Hollow, Rectangle, Threaded, Hex (A/F), Profiles, Half Round Bar, Ingot, Billet, I/H Bar, Forging etc.

Equivalent material Of A286 Round Bar?

UNS:	S66286
International Specifications:	W. NR. 1.4980

Chemical Composition Of A286 Round Bar?

Grade	Cr	Ni	Mo	Co	Va	Al	Ti	B	C	Fe	Mn	Si	P	S
Alloy A286	13.5-16.0	24.0-27.0	1.0-1.5	1.0 max	0.1-0.5	0.35 max	1.9-2.35	0.003-0.01	0.08 max	Bal	2.0	1.0	0.025	0.025

Mechanical Properties Of A286 Round Bar?

Temperature, F	70*	70	400	800	1000	1200	1400
Ultimate Tensile Strength, ksi	95*	145	143	138	131	103	64
0.2% Yield Strength, ksi	50*	95	93	93	87	88	62
Elongation, %	40*	24	21	18	18	13	18

Superior Strength and Thermal Stability

A286 round bars deliver an excellent blend of high tensile and yield strength with good ductility, maintaining their mechanical integrity even at temperatures approaching 700C. This makes them especially suitable for demanding components in gas turbines and the aerospace sector.

Exceptional Corrosion and Oxidation Resistance

Engineered with a chromium-nickel-iron matrix, A286 exhibits outstanding resistance to oxidation and corrosive environments, particularly under oxidizing conditions. This resilience greatly enhances component longevity and reliability in harsh operating conditions.

Precision Manufacturing and Versatility

Produced using hot-rolled or cold-drawn techniques, A286 round bars offer precise tolerances (+/- 0.01mm) and a range of finishes, including bright, black, and polished. Custom sizing ensures suitability for diverse industrial applications, with processing options such as annealing and solution treatment.

FAQs of A286 Round Bar:

Q: How is the A286 round bar manufactured and processed for optimal performance?

A: A286 round bars are manufactured using forged or rolled methods, followed by precise processes like annealing, solution treatment, and aging. These treatments enhance their strength and ensure a smooth, scale-free surface, matching strict mechanical and tolerance requirements.

Q: What are the main applications of the A286 round bar?

A: A286 round bars are widely used in aerospace components, turbine engines, high-temperature fasteners, and gas turbines, owing to their ability to retain high strength and resist oxidation at elevated temperatures.

Q: When should A286 round bars be chosen over other alloys?

A: Select A286 round bars when applications demand a combination of high strength, excellent oxidation resistance, and stable performance at temperatures up to 700C, particularly in critical engineering environments.

Q: Where are A286 round bars typically sourced and supplied from?

A: A286 round bars are produced and exported internationally, with numerous manufacturers, suppliers, and exporters based in India, offering various packaging options such as wooden cases or bundles to ensure safe delivery.

Q: What benefits does A286 offer compared to standard stainless steels?

A: A286 provides significantly better mechanical strength and oxidation resistance at high temperatures compared to most standard stainless steels, along with good ductility and excellent long-term reliability in corrosive, oxidizing atmospheres.

Q: How can A286 round bars be customized for specific project requirements?

A: A286 round bars can be custom cut to lengths up to 6 meters, supplied in diameters ranging from 6 mm to 250 mm, and finished according to project needs, with precise tolerances and a choice of surface treatments to suit diverse industrial applications.

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