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Fasteners · Washer · ASTM B166

Inconel 600 WasherASTM B166 · ASME B18.22.1 · Manufacturer, stockist & exporter, India

Alloy 600 · UNS N06600

An Inconel 600 washer is a flat or spring ring that spreads bolt load, made from Inconel 600 to ASTM B166. Flat washers protect the joint surface and spread load; spring and lock washers resist loosening. Match the washer material to the bolt to avoid galvanic corrosion.

  • ASTM B166
  • ASME B18.22.1
  • EN 10204 3.1 / 3.2
  • Export packing

Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026

Price & availability

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Quotations within one working day, in INR or USD.

What is an Inconel 600 Washer?

What it is
A flat or spring ring that spreads bolt load
Material
ASTM B166
Dimensions
ASME B18.22.1 · DIN 125
Grade
Inconel 600 · UNS N06600
Best at
High-temperature oxidation, caustic and nuclear service
heavy hex nutL — lengthd
TYPE · WASHERMATL · ASTM B166DIM · ASME B18.22.1GRADE · 600

Inconel 600 Washer Specification

ProductInconel 600 Washer
Material standardASTM B166
Dimensional standardASME B18.22.1 · DIN 125
SizesM10 – M64 · ½" – 4" (others on request)
ThreadsUNC · UN-8 · metric coarse
TestingPMI · dimensional · NDT and IGC on request
DocumentsEN 10204 3.1 · 3.2 with third-party inspection

When to Choose a Washer

Flat washers protect the joint surface and spread load; spring and lock washers resist loosening. Match the washer material to the bolt to avoid galvanic corrosion.

  • Flat, spring and lock
  • ASME B18.21.1 · DIN 125 / 127
  • Material to match the bolt

Inconel 600 Washer Chemical Composition

ElementWeight %
Nickel (+Co)72.0 min
Chromium14.0 – 17.0
Iron6.0 – 10.0
Carbon0.15 max
Manganese1.0 max
Silicon0.5 max
Copper0.5 max
Sulphur0.015 max

Inconel 600 Washer Mechanical Properties

Annealed plateValue
Tensile strength550 MPa · 80 ksi
Yield strength 0.2%240 MPa · 35 ksi
Elongation30%

Full chemistry, properties and equivalents are on the Inconel 600 grade page.

Inconel 600 Washers for export

FOB / CIF · Nhava Sheva (JNPT), Mumbai

Inconel 600 Washer — questions buyers ask

Do I need washers on flange bolting?

Many specifications require through-hardened washers under nuts for controlled tightening; follow the project bolting spec.

Which standard covers Inconel 600 washers?

The material is ASTM B166; dimensions follow ASME B18.22.1 · DIN 125. Always state both on your purchase order, with the edition if your project specifies one.

What decides the price of a Inconel 600 washer?

The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.

What documents do you supply?

EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.

Reviewed by the technical team, Kanak Steel & Engineering Co.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026
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