Company Introduction

Company Introduction

Mcneil Instruments is a trusted name in the global steel and metal industry, delivering premium-quality products and customized solutions to meet diverse industrial needs. With a strong presence in the UAE and across international markets, we specialize in manufacturing and supplying stainless steel pipes, tubes, flanges, fasteners, and other high-performance metal products.

Our commitment to quality, innovation, and customer satisfaction sets us apart. Backed by years of industry expertise, we adhere to international standards and ensure precision engineering in every product we deliver. At Mcneil Steel & Alloys FZE, we aim to build long-lasting relationships with clients by providing reliable, durable, and cost-effective solutions for industries such as oil & gas, construction, marine, and petrochemicals.

Monel 400 Washer

What is Monel 400 Washer?

Monel 400 washers are high-strength, corrosion-resistant washers made from Monel 400, a nickel-copper alloy known for its excellent performance in seawater, alkaline solutions, non-oxidizing acids, and high-temperature environments. These washers provide superior resistance to corrosion, stress cracking, and erosion, making them ideal for marine, chemical, and industrial applications where reliability and durability are critical.

Applications of Monel 400 Washer

  • Marine Engineering – Used in seawater systems, shipbuilding, offshore structures, and saltwater piping.
  • Chemical Processing – Fasteners in equipment handling hydrofluoric acid, caustic solutions, and alkaline media.
  • Oil & Gas – Applied in refinery equipment, sour-gas environments, and high-pressure offshore drilling systems.
  • Heat Exchangers & Condensers – Washers used in heat transfer equipment due to excellent thermal conductivity.
  • Power Generation – Used in steam plants, cooling systems, and corrosive industrial environments.
  • Desalination Plants – Ideal for brine handling and high-salinity systems.

Common Uses of Monel 400 Washer

  • Washers for bolted joints exposed to seawater and corrosive industrial fluids.
  • Fastening components in pumps, valves, and marine hardware.
  • Used in heat exchangers, boilers, and condenser assemblies.
  • Washers in chemical tanks, reactors, and caustic processing lines.
  • Marine fasteners for shipbuilding, propeller shafts, and underwater equipment.
  • Suitable for applications requiring long-term corrosion resistance and structural integrity.
Washer Specifications

Washer Specifications

Overview
Size & Dimensions
Standards
Types
Material & Grades
Coating & Finish
Applications
Certifications
Packing
ProductWashers – Plain, Lock, Spring, Tab, Structural, Sealing & More
Size RangeM2 to M100 or Custom Sizes
Thickness0.3 mm to 6 mm (or as per requirement)
GradesStainless Steel 304 / 316 / 316L, Carbon Steel, Brass, Copper, Inconel, Monel, Hastelloy, Titanium, etc.
Standard SizesM2 to M100
Thickness0.3 mm to 6 mm
Custom OptionsAvailable on Request
DIN (Germany)DIN 125, 127, 433, 6798, 9021, 7349
ISO (International)ISO 7089/7090, 7092, 10673, 8738
ASTM (USA)ASTM F436, F959, F844
ANSI (USA)ANSI B18.22.1
BS (British)BS 4320, 4464, 1802
IS (India)IS 2016, 3063, 5372, 5624
SAE (USA)SAE J403, J995
Types of Washers Plain Flat Washer
Spring Lock Washer
Sealing Washer
Tab Washer
Square Washer
Structural Washer
Square Beveled Washer
Wedge Lock Washer
Self-Locking Washer
Hex Washer
Industrial Washer
Stainless Steel304, 304L, 316, 316L, 310, 321, 347, etc.
Carbon SteelGrades C1018, C1045, C1020, etc.
Alloy SteelEN8, EN19, EN24, etc.
Other MetalsBrass, Copper, Aluminum, Monel, Inconel, Hastelloy, Titanium
Surface CoatingsPTFE, Zinc Plating, Hot Dip Galvanizing, Black Oxide, Nickel, Teflon, Xylon, Geomet
FinishesSelf-Color, Bright, Matte, Passivated, Dacromet
Industries Oil & Gas
Petrochemicals
Construction
Automotive
Aerospace
Marine
Power Generation
General Engineering
Test CertificateEN 10204 / 3.1
Additional CertsPED 97/23/EC, AD 2000 W2, ISO 9001
ComplianceRoHS, REACH
Packing TypesSmall Boxes, Cartons, HDPE Bags, Pallets, or as per customer request
LabelingGrade, Size, Batch No., Logo (if required)
Most Selling Types Of Washers

Most Selling Types Of Washers

Monel 400 Washer Export Countries

Monel 400 Washer Manufacturer, Supplier, Exporter in Countries

Country Country Country Country
Monel 400 Washers Exporter in Kuwait Monel 400 Washers Exporter in India Monel 400 Washers Exporter in Oman Monel 400 Washers Exporter in Iran
Monel 400 Washers Exporter in Qatar Monel 400 Washers Exporter in China Monel 400 Washers Exporter in UAE Monel 400 Washers Exporter in Africa
Monel 400 Washers Exporter in Turkey Monel 400 Washers Exporter in Mexico Monel 400 Washers Exporter in Canada Monel 400 Washers Exporter in Malaysia
Monel 400 Washers Exporter in Saudi Arabia Monel 400 Washers Exporter in Brazil Monel 400 Washers Exporter in USA Monel 400 Washers Exporter in Sri Lanka
Monel 400 Washers Exporter in Australia Monel 400 Washers Exporter in Nigeria Monel 400 Washers Exporter in 85+ countries
Hex Bolts Export Countries

Manufacturer & Exporter of Washer in the Following Countries

Country Country Country Country Country
Saudi Arabia Kazakhstan Zimbabwe Netherlands India
Afghanistan Belgium UAE Israel Europe
New Zealand Mexico Canada Venezuela United Kingdom
United States South Africa Malaysia Poland Germany
Singapore Sri Lanka Australia Brazil Ireland