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AISI 904L Washers

AISI 904L Washers

AISI 904L Washers are thin, flat, ring-shaped components placed between a bolt and a nut to evenly distribute the load of threaded fasteners. These washers help improve joint performance, prevent loosening, and protect the surface from damage.

Common types of AISI 904L washers include: plain flat washers, split lock washers, spring washers, tab washers, square washers, square bevelled washers, hexagon washers, tooth lock washers, curved wave washers, Belleville washers, self-locking washers, conical spring washers, fender washers, dock washers, and ogee washers.

At Adfast Component, we manufacture and supply AISI 904L washers in both metric and imperial sizes. Our washers are produced using high-quality materials:

  • ASTM A240/A240M Type 904L sheet and plate

  • ASTM A276/A276M and A479/A479M bar stock

All stainless steel 904L washers are designed in compliance with dimensional references to ASME, DIN, ISO, UNI, PN, BS, and BIS standards. Each washer is duly marked for complete traceability.

We ensure safe and timely delivery with worldwide shipping options available via sea or air freight.

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bolts-and-nuts

For more information on AISI 904L Washers, see below details.

  • Categories: plain flat, split lock, spring type, tab washers, square washers, square bevelled, hexagon shape washer, tooth lock washers, curved wave washers, Belleville washers, self-locking type, conical spring type washers, fender washers, dock washers, ogee washer, etc.
  • Sizes: M1 to M180 in Metric & #1 to 8” in Imperial.
  • Threads: Metric coarse, fine, extra fine, imperial coarse, UNC, UNF, UNEF, 8UN Fixed, BSW, BSF and ACME.
  • Construction: Cold Forged, Hot Forged, Bar Stock Machined.
  • Dimensions & Tolerances: ASME / DIN / ISO / UNI / PN/ IFI / BIS / BS / EU and CSN
  • Material Specifications: ASTM / ASME A182 F904L, ASTM A276/A276M and A479/A479M Type 904L / UNS N08904, Uranus B6, X1-Ni-Cr-Mo-Cu-25-20-5, DIN/EN/Werkstoff Number 1.4539
  • Origin: India, China, Taiwan, Korea, Japan, Sweden, Italy, France, Germany, UK & USA

AISI 904L Products

Machine Bolts

Bolts

Tap End

Stud Bolts

Fender Washers

Washers

Nuts

Nuts

screw

screw

Full Threaded

Threaded Rods

Anchor Fastener

Anchor

Bent Bolts Manufacturer

Bent Bolts

Coated Fastener

Coated Fasteners

Custom Fastener

Custom Fasteners

bolts-and-nuts

AISI 904L Application

  • Process equipment in chemical industry
  • Petrochemical industry
  • Bleaching equipment in the pulp and paper industry
  • Flue gas cleaning
  • Desalination
  • Seawater handling
  • Hydrometallurgy
  • Food and beverage
  • Pharmaceuticals
  • Heat exchangers
Chemical Requirements for AISI 904L Washers
ElementsComposition, %
Carbon (C)0.02 Max
Manganese (Mn)2.00 Max
Phosphorus (P)0.04 Max
Sulfur (S)0.03 Max
Silicon (Si)1.00 Max
Chromium (Cr)19.00 – 23.00 Max
Nickel (Ni)23.00 – 28.00 Max
Molybdenum4.00 – 5.00 Max
Copper (Cu)1.00 – 2.00 Max
Nitrogen (N)0.10 Max
Mechanical Requirements for AISI 904L Washers
ElementsComposition
Tensile Strength, min ksi [MPa]71 [490]
Yield Strength, min ksi [MPa]31 [215]
Elongation in 2 inch or 50mm (or 4D), min %Longitudinal35
Transverse25