ASTM A436 Specification
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These ASTM F436 Washers are hardened steel washers for use with fasteners having nominal thread diameters of ¼ through 4 in. These washers are intended for general-purpose mechanical and structural use with bolts, nuts, studs, and other internally and externally threaded fasteners. DM Special Steel Ltd Manufactures Washers in F436 Specification and are stocked in plain, mechanical galvanized and hot-dipped galvanized condition. We can provide these fasteners with minimal Delivery Schedule. These Washer F 436 are Flat Type Washers.

 

Additionally, they are used with bolts per A449A354A193A320F1554 and whenever specified.

 

 

For quick Quote/Information on ASTM A436 Washers, please Contact Us

 

 

F436 Types

 

Type 1
Carbon Steel
Type 3
Weathering Steel

 

 

F436 Styles

 

Circular
Round SAE pattern
Sizes 1/4" through 4"
Beveled
Beveled Slope 2 in 12 or 9.5 degrees for use with American standard beams
Sizes 1/2" through 1-1/2"
Clipped
Circular or Beveled
Sizes 1/2" through 1-1/2" beveled, 1/4" through 4" circular
Beveled F436 washers are normally not available above 1". Clipped bevel washers are only usually available as specials.

 

 

F436 Mechanical Properties

 

Plain Finish
Hot Dip Galvanized
Rockwell Hardness 38 to 45 HRC
Rockwell Hardness 26 to 45 HRC

 

 

F436 Chemical Requirements

 

Element
Type 1
Type 3
Phosphorous, max
0.040%
0.040%
Sulfur, max
0.050%
0.050%
Silicon
-
0.15 - 0.35%
Chromium
-
0.45 - 0.65%
Nickel
-
0.25 - 0.45%
Copper
-
0.25 - 0.45%
Weathering steel washer may also be made from any of the steels listed in Table 2 of A325.

 

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For More Information About ASTM A436 Washers please call or send an email to  info@nmmehtaco.com