Structual Washers, ASTM F436

Category:

Washer,Other washer

Metarial:

Carbon Steel

Standard:

Surface:

Plain,HDG,Blue zn/white zn,Yellow zn,Zn

Place of Origin:

Pudong Xinqu

Brand Name:

MOQ:

1 MPCS

Payment Terms:

30% deposit, T/T the balance before shipment

Structual Washers, ASTM F436, Thru- Hardened

1. Description

窗体ASTM F436 washers are specifically designed for use with A325 and A490 high strength structural bolts. This washer up to and including 1-1/2 inch in bolt size shall be through hardened. And washers over 1-1/2 inch may be either through hardeded or carburized at the option of the manufacturer.
When ASTM A490 bolts are pretensioned in connected material of specified minimum yield strength less than 40 ksi, ASTM F436 washers shall be used under both the bolt head and the nut.

2. Specification Requirements

Size	B	A		C
Size	Nominal	Nominal		Min.	Max.
1/4	0.625	0.281		0.051	0.080
5/16	0.688	0.344		0.051	0.080
3/8	0.813	0.406		0.051	0.080
7/16	0.922	0.469		0.051	0.080
1/2	1.063	0.531		0.097	0.177
9/16	1.188	0.625		0.110	0.177
5/8	1.313	0.688		0.122	0.177
3/4	1.468	0.813		0.122	0.177
7/8	1.750	0.938		0.136	0.177
1	2.000	1.063		0.136	0.177
1 1/8	2.250	1.188		0.136	0.177
1 1/4	2.500	1.375		0.136	0.177
1 3/8	2.750	1.500		0.136	0.177
1 1/2	3.000	1.625		0.136	0.177
1 5/8	3.250	1.750		0.178	0.280
1 3/4	3.375	1.875		0.178	0.280
1 7/8	3.468	1.937		0.178	0.280
2	3.750	2.125		0.178	0.280
2 1/4	4.000	2.375		0.240	0.340
2 1/2	4.500	2.625		0.240	0.340
2 3/4	5.000	2.875		0.240	0.340
3	5.500	3.125		0.240	0.340
3 1/4	6.000	3.375		0.240	0.340
3 1/2	6.500	3.625		0.240	0.340
3 3/4	7.000	3.875		0.240	0.340
4	7.500	4.125		0.240	0.340

B Tolerances			A Tolerances
< 1 = +/- .032			< 1 = -0 / +.032
1 ≤ 3 = +/- .063			1 ≤ 3 = -0 / +.063
> 3 = +/- .125			> 3 = -0 / +.125
See ASTM F436 Table 3 for other dimensional requirements