ISO 7090

ISO 7090

Flat washer

Standards:

Certifications:

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

Equivalent norm:

DIN 125, ISO 7089, GOST 11371

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

Size	M8	M10	M12	M14	M16	M18	M20
D1	8.40 - 8.62	10.50 - 10.77	13.00 - 13.27	15.00 - 15.27	17.00 - 17.27	19.00 - 19.33	21.00 - 21.33
D2	15.57 - 16.00	19.48 - 20.00	23.48 - 24.00	27.48 - 28.00	29.48 - 30.00	33.38 - 34.00	36.38 - 37.00
H	1.4 - 1.8	1.8 - 2.2	2.3 - 2.7	2.3 - 2.7	2.7 - 3.3	2.7 - 3.3	2.7 - 3.3
Size	M22	M24	M27	M30	M33	M36	M39
D1	23.00 - 23.33	25.00 - 25.33	28.00 - 28.33	31.00 - 31.39	34.00 - 34.62	37.00 - 37.62	42.00 - 42.62
D2	38.38 - 39.00	43.38 - 44.00	49.38 - 50.00	55.26 - 56.00	58.80 - 60.00	64.80 - 66.00	70.80 - 72.00
H	2.7 - 3.3	3.7 - 4.3	3.7 - 4.3	3.7 - 4.3	4.4 - 5.6	4.4 - 5.6	5.4 - 6.6
Size	M42	M45	M48	M52	M56	M60	M64
D1	45.00 - 45.62	48.00 - 48.62	52.00 - 52.74	56.00 - 56.74	62.00 - 62.74	66.00 - 66.74	70.00 - 70.74
D2	76.80 - 78.00	83.60 - 85.00	90.60 - 92.00	96.60 - 98.00	103.60 - 105.00	108.60 - 110.00	113.60 - 115.00
H	7.0 - 9.0	7.0 - 9.0	7.0 - 9.0	7.0 - 9.0	9.0 - 11.0	9.0 - 11.0	9.0 - 11.0

More info about ISO 7090 - Flat washer

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