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USS & SAE Washers



USS (United States Standard) and SAE (Society of Automotive Engineers) are 2 common dimensional standards for steel flat washers. Generally, flat washers made in nonferrous materials do not conform to these standards. In non-steel flat washers, corrosion-resistance rather than strength is usually the big consideration. Additionally, steel is quite a bit cheaper than stainless or a nickel-based alloy. Therefore, standard flat washers in nonferrous materials are only as thick or as wide as need to be functional.
Nickel Systems can supply non-steel flat washers to USS dimensions. Some of our commercial standard flat washers have an outer diameter equal to an SAE pattern. However, in our experience, most customers will opt for a commercial standard flat washer after learning of the dimensional, cost and availability differences.
Nickel Systems maintains an inventory of commercial flat washers in Hastelloy® (Alloys C276, C22, B2), Carpenter® 20 (Alloy 20), Duplex 2205, 18-8 and 316 Stainless. Current inventory also includes Inconel® (Alloys 600, 625), 310 Stainless, 316L Stainless, 317L Stainless and Monel® (Alloy 400).
 
Specifications:  
MFG. Standard IS/ANSI/ASME/DIN
Range Size M3 - M48 and also available in all customized sizes.
Material(All Grade) Mild Steel, Stainless Steel, Carbon Steel, Alloy Steel, Brass, Copper, Duplex & Super Duplex Nuts, Aluminium, Hastelloy, Incoloy, Inconel, Monel.
Nickel Alloy
Grade: UNS 2200 (Nickel 200) / UNS 2201 (Nickel 201), UNS 4400 (Monel 400), UNS 8825 (Inconel 825), UNS 6600 (Inconel 600) / UNS 6601 (Inconel 601), UNS 6625 (Inconel 625), UNS 10276 (Hastelloy C 276), UNS 8020 (Alloy 20 / 20 CB 3)
Stainless Steel: Standard: ASTM / ASME A/SA 240
Grade: 304, SS347, SS316, SS321, A2, A4
Alloy Steel: Standard: ASTM / ASME / F436
Duplex Steel:
UNS No.
S31803, S32205
Coating
Hot Dipped Galvanizing
Phosphate
Teflon
Xylon
Zinc
Cadmium
Surface Finish Blackening, Cadmium zinc plated, Galvanized, Hot dip Galvanized, Nickel Plated, Buffing, etc.
Application All Industry
Die forging Closed die forging, open die forging, and hand forging.
Threads Metric, BSW, BSF, UNC, UNF, and as per costumers requirement.
 
Washers
Commercial Flat Washers | USS & SAE Washers | Plain Big OD Washer | Spring Washer Heavy Duty
Tab Washer | Special Washers | Spring Lock Washer | Plain Small OD Washer | Serreted Star Washer