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ASTM A453 Grade 660 bolt Incoloy A286 1.4980

In the demanding industrial landscape of 2026, the integrity of a project depends entirely on the fasteners used. Whether securing a jet engine component operating at extreme temperatures or erecting an offshore wind turbine, the choice of material and specification is critical for safety, longevity, and performance.
As a premier manufacturer, we specialize in high-precision fastening solutions tailored for extreme environments, featuring advanced materials like Incoloy A286.

 

The Core Fundamentals:A286 stainless steel bolts , Hexagon Head Bolts & Cap Screws
The A453 GR660 Hex Head Bolt and Incoloy A286 fasteners remains the backbone of the construction and general manufacturing industries. Often referred to professionally as 1.4980 Hexagon Head Bolts, these fasteners provide the necessary grip and torque for heavy-duty assembly.
  • Incoloy A286 Hex Cap Screws: 

        These feature a washer face under the head and a chamfered point, often used in precision-machined parts where tight tolerances are required

  • Incoloy A286 Machine Bolts: Our high-quality Machine Bolts are designed to be used with a nut or a tapped hole, providing essential shear strength for industrial equipment.
  • Icoloy A286 A453 GR660 Heavy Hex Bolts: For structural steel-to-steel connections in skyscrapers and bridges, our Heavy Hex Bolts offer a wider head to distribute the load more effectively.

Internation name of A453 GR660 Incoloy A286 :
  • North America (UNS/AISI): Commonly referred to as UNS S66286 or Alloy 660.
  • Europe (EN/DIN): Known by the Werkstoff number 1.4980 (or sometimes 1.4944). The European technical designation is X6NiCrTiMoVB25-15-2.
  • China (GB): Often identified as GH2132
  • United Kingdom (BS): Referenced under specifications like BS HR 51 and BS HR 52.
  • France (AFNOR): Designated as EZ 6NCT25-15

 

Incoloy A-286 is used to manufacture critical fasteners, Industries That Rely on 1.4980 (Incoloy A286) Bolts are blow:

The unique properties of Incoloy A286 and DIN 1.4980 bolts make it indispensable in several critical sectors:
  • Aerospace & Aviation: UNS S66286 fasteners Widely used in jet engine components and afterburner sections where materials must withstand intense heat and cyclical stress.
  • Power Generation: Alloy 660 hex nuts and bolts employed in gas and steam turbines for securing internal components that operate at elevated temperatures.
  • High-Performance Automotive: ASTM A453 Grade 660 bolts used for turbocharger housings and exhaust manifolds where resistance to extreme heat is vital.

 

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Model: Could custom as client’s need
Material:Spring steel(55CrSiA、50CrVA、)
stainless steel(301、302、304、316、316L、17-7PH、15-7Mo)
Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

Incoloy A-286 High-Temperature Nuts – Premium Fasteners for Demanding Aerospace & Energy Systems‌‌

Incoloy A-286, a ‌precipitation-hardened iron-nickel-chromium superalloy‌, is standardized under multiple international systems:

  • UNS‌: ‌N08028
  • EN/DIN‌: ‌4563
  • China GB‌: ‌NS142
  • Key Standards‌:
  • ASTM‌: B668 (Bar), B709 (Sheet), B829 (Forgings) ‌12
  • ASME‌: SB-668, SB-709 (High-Temperature Applications) ‌13
  • DIN‌: 1.4563 (Fasteners) ‌23

Inconel 901 High-Temperature Nuts – Superior Strength for Aerospace & Energy Sectors‌ ,Inconel 901, a ‌nickel-iron-chromium superalloy‌, is standardized under:

  • UNS‌: N09901
  • EN‌: 2.4662 / NiCr15Fe7TiAl
  • DIN‌: 1.4898
  • Common Trade Names‌: Nimonic 901, Haynes® 901, Alloy 901 ‌12.
  • UNS‌: ‌N08825
  • EN/DIN‌: ‌4858
  • China GB‌: ‌NS142
  • Key Standards‌:
  • ASTM‌: B425 (Bar), B423 (Seamless/Welded Tubes), B564 (Forgings) ‌13
  • ASME‌: SB-423, SB-425 (High-Temperature Applications) ‌16
  • BS‌: 3076 NA16 (Fasteners) ‌

Equivalent Grades of Alloy31 (UNS N08031) Alloy31, also designated as ‌UNS N08031‌, is a ‌super austenitic nickel-chromium-molybdenum alloy‌ standardized under:

  • EN‌: 1.4562
  • DIN‌: 1.4529
  • China‌: 00Cr27Ni31Mo7CuN (GB/T 20878)
  • Common Trade Names‌: Nicrofer 3127 hMo, Hastelloy® Alloy31 ‌13.

Alloy59, a ‌nickel-chromium-molybdenum superalloy‌, is standardized under multiple international systems:

  • UNS‌: N06059
  • EN‌: 2.4605 / NiCr23Mo16Al
  • DIN‌: 1.4562
  • China‌: NS3305 (GB/T 14992-2005)
  • Common Trade Names‌: Hastelloy® C-59, Nicrofer 5923hMo ‌12.
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