BS3410 Tab.3

BS3410 Tab.3

Flat washer form inch series

Standards:

Certifications:

EN 10269, PED 2014/68EU, AD 2000 Merkblatt, EN 10204-3.1/3.2, NACE MR0175

Materials:

Carbon steel

Stainless steel

1.7225 / 42CrMo4+QT (GC)

1.7709 / 21CrMoV5-7+QT (GA)

1.7225 / 42CrMo4+QT (GC)

1.4980 / X6NiCrTiMoVB25-15-2+QT (SD)

1.4923 / X22CrMoV12-1+QT (V,VH

all materials

Table of Sizes

Light type
Size	1/4"	5/16"	3/8"	7/16"	1/2"	9/16"	5/8"	3/4"
D1	6.731 - 6.858	8.331 - 8.457	9.906 - 10.033	11.506 - 11.633	13.081 - 13.208	14.935 - 15.062	16.535 - 16.662	19.710 - 19.837
D2	14.148 - 14.275	15.748 - 15.875	18.923 - 19.050	22.098 - 22.225	25.273 - 25.400	28.321 - 28.575	31.496 - 31.750	37.846 - 38.100
H	0.92	1.02	1.22	1.22	1.42	1.42	1.83	1.83
Size	7/8"	1"	1.1/8"	1.1/4"	1.3/8"	1.1/2"	1.3/4"	2"
D1	22.885 - 23.012	26.060 - 26.187	29.235 - 29.362	32.410 - 32.537	-	-	-	-
D2	41.021 - 41.275	47.371 - 47.625	53.721 - 53.975	59.817 - 60.325	-	-	-	-
H	1.83	1.83	2.34	2.95	-	-	-	-
Heavy type
Size	1/4"	5/16"	3/8"	7/16"	1/2"	9/16"	5/8"	3/4"
D1	6.731 - 6.858	8.331 - 8.457	9.906 - 10.033	11.506 - 11.633	13.081 - 13.208	14.935 - 15.062	16.535 - 16.662	19.710 - 19.837
D2	14.148 - 14.275	15.748 - 15.875	18.923 - 19.050	22.098 - 22.225	25.273 - 25.400	28.321 - 28.575	31.496 - 31.750	37.846 - 38.100
H	1.42	1.83	1.83	2.34	2.34	2.64	2.95	3.25
Size	7/8"	1"	1.1/8"	1.1/4"	1.3/8"	1.1/2"	1.3/4"	2"
D1	22.885 - 23.012	26.060 - 26.187	29.235 - 29.362	32.410 - 32.537	35.585 - 35.712	38.760 - 38.887	45.110 - 45.237	51.460 - 51.587
D2	41.021 - 41.275	47.371 - 47.625	53.721 - 53.975	59.817 - 60.325	66.167 - 66.675	72.517 - 73.025	84.963 - 85.725	91.313 - 92.075
H	3.66	4.06	4.47	4.47	4.88	4.88	5.39	5.39

More info about BS3410 Tab.3 - Flat washer form inch series

1.7218 / 25CrMo4+QT (KG)

1.7225 / 42CrMo4+QT (GC)

1.7709 / 21CrMoV5-7+QT (GA)

1.4913 / X19CrMoNbVN11-1+QT (VW)

1.4923 / X22CrMoV12-1+QT1 (V)

1.4980 / X6NiCrTiMoVB25-15-2 (SD)

1.4986 / X7CrNiMoBNb16-16 (SD)

ASTM/ASME B7/L7, B16, B8,B8-2, B8M, B8M-2