JIS B2220 20K Flange

Applied Alloys is Australia’s premium supplier of JIS 20K flanges and fittings.

Applied Alloys International can supply JIS specification 20K flanges and fittings in all grades of carbon steel, stainless steel, and other alloys.

Applied Alloys has access to products from many of Japan’s leading manufacturers including Nippon Steel, Sumitomo Metal Corporation, Marubeni-Itochu Steel Inc & Hanwa Co Ltd. Our range is extensive and includes most of the JIS specifications including piping for oil & gas and other processes.  JIS 5K, 10K, 16K, 30K, 40K, and 64K also available.

JIS20K LTB DRILLING DATA
NOMINAL PIPE SIZE OUTSIDE
DIAMETER OF
FLANGE		 THIKNESS OF
FLANGE		 THIKNESS OF
BLIND		 BOSSED
LENGTH
SOH.SW LI		 WELD NECK
LENGTH		 PITCH CIRCLE
DIAMETER		 NUMBER OF
BOLT HOLES		 BOLT HOLE
DIAMETER
MM INCH C T T1 L L1 PCD # H
10 3/8 90 14 14 20 33 65 4 15
15 1/2 95 14 14 20 34 70 4 15
20 3/4 100 16 16 22 36 75 4 15
25 1 125 16 16 24 38 90 4 19
32 1 1/4 135 18 18 26 41 100 4 19
40 2 1/2 140 18 18 26 41 105 4 19
50 2 155 18 18 26 42 120 8 19
65 2 1/2 175 20 20 30 48 140 8 19
80 3 200 22 22 34 51 160 8 23
90 3 1/2 210 24 24 36 54 170 8 23
100 4 225 24 24 36 58 185 8 23
125 5 270 26 26 40 64 225 8 25
150 6 305 28 28 42 73 260 12 25
200 8 350 30 30 46 77 305 12 25
250 10 430 34 34 52 87 380 12 27
300 12 480 36 36 56 94 430 16 27
350 14 540 40 40 62 110 480 16 33
400 16 605 46 46 70 123 540 16 33
450 18 675 48 48 78 134 605 20 33
500 20 730 50 50 84 136 660 20 33
550 22 795 52 52 90 143 720 20 39
600 24 845 54 56 96 149 770 24 39