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Incoloy Round Bar Supplier

Round Bar Products

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High-Temperature Strength, Documented Twice Over: ASTM A453 Grade 660 & ASTM A638 Grade 660 Alloy A-286 Round Bar, Exported Worldwide by Multinox Inc.

Available Forms & Types

Most Common

Round Bars

Cold drawn, centreless ground & polished. Used in shafts, fasteners, machined components.

  • OD: 4mm to 500mm
  • Bright / Polish / Black finish
  • Length: 1–6 metres
Precision

Hex Bars

Across-flat 18mm–57mm. Ideal for bolt, nut & valve body machining applications.

  • 18mm – 57mm A/F
  • Cold drawn condition
  • Non-magnetic grade
Structural

Square Bars

Used in structural fabrication, tooling and engineering. Custom sizes available.

  • 18mm – 47mm
  • Bright / Rough Turned
  • Custom sizes on request
Wide Range

Flat Bars

Width ½" to 10", thickness 2mm to 150mm. Sheared & edged or hot-rolled condition.

  • Width: ½" to 10"
  • Thickness: 2–150mm
  • Custom width available
Hollow

Hollow Bars

Seamless hollow bar for bushings, sleeves & valve bodies. Saves machining time.

  • OD: 4mm to 100mm
  • Various wall thickness
  • Centreless ground
High Strength

Forged Bars

Hot forged for superior grain structure. Heavy-duty industrial and aerospace use.

  • 15mm to 300mm
  • Ultrasonic tested
  • Rough turned finish

view Specifications of AISI 660 Round Bar

Alloy A-286 Round Bar is supplied solution-treated or fully aged, with compliance to ASTM A453 Grade 660 on every certificate.

Product Name AMS 5737 Incoloy A-286 Round Bar
Material Grade A-286 (Alloy A286)
UNS Number S66286
Werkstoff No. 1.4980
Specifications AMS 5737, AMS 5731, AMS 5732, ASTM A453 Grade 660, ASTM A638 Grade 660
Standards AMS, ASTM, ASME, DIN, EN, SAE
Diameter 5 mm to 500 mm
Length 100 mm to 6000 mm, Custom Cut Length
Condition Solution Annealed, Age Hardened, Cold Drawn, Hot Rolled, Forged
Surface Finish Black, Bright, Polished, Peeled, Centerless Ground
Forms Round, Square, Hex, Flat, Billet, Forged Bar
Tolerance h7, h8, h9, h10, h11 or as per customer requirement
End Finish Plain End, Chamfered End
Test Certificate EN 10204 3.1, MTC, PMI Test, Third Party Inspection
 

UNS S66286 Round Bar Chemical Composition

Titanium and aluminium inside Alloy A-286 Round Bar form gamma-prime precipitates — the tiny particles behind its huge strength.

Ni
24.00 – 27.00%
Nickel
Cr
13.50 – 16.00%
Chromium
Fe
Balance
Iron
Mo
1.00 – 1.50%
Molybdenum
Ti
1.90 – 2.35%
Titanium
V
0.10 – 0.50%
Vanadium
Al
0.35 Max
Aluminium
B
0.003 – 0.010%
Boron
C
0.08 Max
Carbon
Mn
2.00 Max
Manganese
Si
1.00 Max
Silicon
P
0.025 Max
Phosphorus
S
0.025 Max
Sulphur
Co
1.00 Max
Cobalt

Check Equivalent Grades of WNR 1.4980 Round Bar

Fastener makers worldwide approve Alloy A-286 Round Bar under both ASTM A453 and A638 — its cross-references are complete.

UNS
S66286
Unified Numbering System
Werkstoff
1.4980
Werkstoff Number
AISI
660
AISI Standard
AMS
5737 / 5731 / 5732
Aerospace Material Specification
ASTM
A453 Grade 660 / A638 Grade 660
ASTM Standard
Trade
Alloy A-286
Trade Name

AMS 5731 Round Bar Mechanical Properties

Age-hardening takes Alloy A-286 Round Bar to strength levels no ordinary stainless can touch, even after years of hot service.

Property Value
Density 7.94 g/cm³
Melting Range 1370 – 1430°C
Tensile Strength 895 MPa (130 ksi) Min
Yield Strength (0.2%) 655 MPa (95 ksi) Min
Elongation 15% Min
Hardness 35 HRC Max
Modulus of Elasticity 200 GPa
Thermal Conductivity 14 W/m·K
Electrical Resistivity 0.78 µΩ·m

AMS 5732 Round Bar Weight Chart

Diameter (mm) Weight (Kg/Meter)
60.22
80.40
100.62
120.89
161.59
202.49
253.89
305.60
409.95
5015.55
6022.40
7535.00
10062.35
12597.40
150140.30
200249.40

AMS 5737 Round Bar Size Range

Round Bar 5 mm – 500 mm Diameter Square Bar 10 mm – 100 mm Hex Bar 10 mm – 100 mm Flat Bar 10 × 3 mm to 200 × 50 mm Forged Bar Up to 500 mm Diameter Length 100 mm to 6000 mm, Custom Cut Length Available Shapes Round, Square, Hexagonal, Flat, Billet, Forged Surface Finish Black, Bright, Polished, Peeled, Centerless Ground

Recent AISI 660 Alloy A-286 Round Bar Export Deliveries

🇺🇸
Hess Corporation
New York City, USA
UNS S66286 Round Bars, 30mm Diameter, 3m Length
Delivered in 12 days
🇩🇪
BASF SE
Ludwigshafen, Germany
WNR 1.4980 Bright Round Bars, 20mm Diameter
Delivered in 21 days
🇫🇷
Safran S.A.
Paris, France
AMS 5731 Age-Hardened Round Bars, 45mm Diameter
Delivered in 9 days
🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
ASTM A453 Grade 660 Round Bars for Bolting, 25mm Diameter
Delivered in 7 days
🇬🇧
Rolls-Royce Holdings
Derby, United Kingdom
AMS 5732 Certified Round Bars, 35mm Diameter
Delivered in 14 days
🇮🇳
Hindustan Aeronautics Limited
Bengaluru, India
Custom Diameter Round Bars, 40–80mm, Alloy A-286
Delivered in 6 days

Availability of UNS S66286 Round Bars

ASTM A453 Grade 660 Hot Rolled Round Bar UNS S66286 Bright Round Bar
WNR 1.4980 Cold Drawn Round Bar Alloy A-286 Polished Round Bar
AISI 660 Peeled Round Bar AMS 5731 Threaded Round Bar
Alloy A-286 Black Round Bar AMS 5732 Ground Round Bar
AMS 5737 Forged Round Bar ASTM A638 Grade 660 Custom Cut Round Bar
UNS S66286 Hot Rolled Round Bar ASTM A453 Grade 660 Bright Round Bar
Alloy A-286 Cold Drawn Round Bar WNR 1.4980 Polished Round Bar
AMS 5731 Peeled Round Bar AISI 660 Threaded Round Bar
ASTM A638 Grade 660 Ground Round Bar AMS 5732 Black Round Bar
Alloy A-286 Custom Cut Round Bar AMS 5737 Forged Round Bar

Latest Prices of Alloy A-286 Round Bars

Multinox INC offers UNS S66286 Round Bars at one of the most competitive prices in India. Request the latest Pricelist using the contact form here.