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.

Alloy Steel ASTM A182 F91 Washer

What is Alloy Steel ASTM A182 F91 Washer?

Alloy Steel ASTM A182 F91 washers are made from a high-strength chromium-molybdenum-vanadium alloy steel designed for exceptional performance in high-temperature and high-pressure environments. Known for its superior creep strength, oxidation resistance, and thermal stability, F91 is widely used in power generation, petrochemical processing, and industrial systems that operate under extreme heat and stress. These washers ensure leak-proof and durable fastening in demanding service conditions.

Applications of Alloy Steel ASTM A182 F91 Washer

  • Power Plants – Boilers, superheaters, reheaters, and steam pipelines.
  • Oil & Gas Industry – High-pressure drilling systems and refinery equipment.
  • Chemical Processing Units – Reactors, heat exchangers, and corrosive media systems.
  • High-Temperature Machinery – Turbines, compressors, and thermal equipment.
  • Industrial Furnaces – High-heat bolting and structural fastening.
  • Petrochemical Plants – Hydrocracking and catalytic reforming systems.

Common Uses of Alloy Steel ASTM A182 F91 Washer

  • Used in high-pressure, high-temperature flange joints.
  • Applied in boiler mounting, steam-handling equipment, and pressure vessels.
  • Fastening components in turbines and heat exchangers.
  • Used in rotating and static thermal machinery requiring strength and stability.
  • Ideal for pumps, valves, and pressure-control assemblies.
  • General use where creep resistance and heat endurance are critical.
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

Plain Flat Washer Plain Flat Washer Wedge Lock Washer Wedge Lock Washer Square Washer Square Washer Spring Lock Washer Spring Lock Washer Self Locking Washer Self Locking Washer Sealing Washer Sealing Washer Hex Washer Hex Washer Industrial Washer Industrial Washer Tab Washer Tab Washer Structural Washer Structural Washer Square Beveled Washer Square Beveled Washer
Alloy Steel ASTM A182 F91 Washer Export Countries

Alloy Steel ASTM A182 F91 Washer Manufacturer, Supplier, Exporter in Countries

Country Country Country Country
Alloy Steel ASTM A182 F91 Washers Exporter in Kuwait Alloy Steel ASTM A182 F91 Washers Exporter in India Alloy Steel ASTM A182 F91 Washers Exporter in Oman Alloy Steel ASTM A182 F91 Washers Exporter in Iran
Alloy Steel ASTM A182 F91 Washers Exporter in Qatar Alloy Steel ASTM A182 F91 Washers Exporter in China Alloy Steel ASTM A182 F91 Washers Exporter in UAE Alloy Steel ASTM A182 F91 Washers Exporter in Africa
Alloy Steel ASTM A182 F91 Washers Exporter in Turkey Alloy Steel ASTM A182 F91 Washers Exporter in Mexico Alloy Steel ASTM A182 F91 Washers Exporter in Canada Alloy Steel ASTM A182 F91 Washers Exporter in Malaysia
Alloy Steel ASTM A182 F91 Washers Exporter in Saudi Arabia Alloy Steel ASTM A182 F91 Washers Exporter in Brazil Alloy Steel ASTM A182 F91 Washers Exporter in USA Alloy Steel ASTM A182 F91 Washers Exporter in Sri Lanka
Alloy Steel ASTM A182 F91 Washers Exporter in Australia Alloy Steel ASTM A182 F91 Washers Exporter in Nigeria Alloy Steel ASTM A182 F91 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