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Yamamoto Special Steel Co.,LTD

Head Office & Warehouse
ZIP Code: 552-0006
1-4-27 Ishida, Minato-ku, Osaka
TEL: +81 (0)6-6572-8108
FAX:+81 (0)6-6572-8109

Tokyo office
ZIP Code: 105-0004
VORT Shimbashi II 8F,
6-13-12 Shimbashi,
Minato-ku, Tokyo
TEL: +81 (0)3-5843-8760
FAX: +81 (0)3-5843-8776


Mold List


Pipe outer diameter
      mm

Bending mold size (RC) mm
10
 21 24 25 38 39 49 50 55
12
 18 20 23 24 26 31 33 37 44 48 50 53 57 63 69 70 78 83 93 100 109
13.8
 21 25 35 38 42 50 60
14
 101 118 182 198
15
 23 40 58 75 85 93 111 129 147 165 183 201 219
16

 21.5 24 25 27 30 31.8 32 34 35 38 40 42 43.5 44 46 48 49.3 52 53.4 55 59 61 63 66 66.8
 72 73.5 78 80 84.3 85 87 89 93 98 101.8 105 108 111 115 119.3 125 136.8 141 143 154.3
 158 165 174 177 180 185 195 198 200 214 232 250 268 286 305 323 341 359

17.3
 30 51
19
 20 22.5 23.8 25.4 26.5 28.5 30 32 33.3 35 37 38 38.3 39 40 43 45 47 49 50 53 54 55 57 59
 60 63 65 66 68 70 75 76 77 78 80 81 82 85 86 90 95 97 100 100.5 103 109 113 114 117
 120 125 126 127 130 132 134 138 141 143 148 150 150.5 151 163 168 175 175.5 179 180
 189 191 200 210 215 217 220 225 230 ~ 1500
20
 30 33 40 53 56 62.5 66 80 82 85 92 105 108 117 130 134 142
21.7
 17.5 22.5 26 28 31 32 34 35 36 38 40 44 45 48 50 54 57 60 62 67 68 72 77 86 90 100 104
 116 140 150 152 185 200 216 255 280 302 312 327 340
22.225

 60 69.2 84.2 108.5 117.7 132.7 157 166.2 205.5

25.4

 30 34 35 38 39 40 43 45 50 50.8 52 56 57 57.9 60 61 62 64 65 67 68 71 72 74 75 77 82
 85 87 90 96 102 104 105 112 113 114 117 120 123 130 136 138 145 146 151 159 168 178
 186 191 195 200 210 217 232 242 264 274 287 297 315 330 345 355 378 405 430

27.2
 35 38 40 43 45 50 53 57 70 75 77 80 90 94 100 105 110 120 130 140 160 177.5 194
30
 32 42.5 57 71
31.8

 30 35 36.5 40 45 46 47 47.7 48 50 51 55 57.5 60 63.5 65 75 78 80 87.7 90 110 120 127.7
 145 150 160 165 167.7 180 230

34
 18 25 35 40 45 50 54 55 60 70 74 75 82.5 85 90 93 100 103 110 112.5 120 125 136 148
 158 165 175 190 223 233 250 300 320 400
38.1
 20 25 28 30 32.5 38 40 45 50 57.15 60 65 70 75 80 90 91 97.5 100 106 110 113 115 120
 127.5 130 133 135 140 150 160 170 180 190 200 219 225 230 240 250 300
42.7
 50 57.5 60 80 92 100 120 150 250
45
 29 35 40 45 45 47.5 50 50 57 60 80 85 98.3 100 114 120 125 127 133 155 187 250 300
48.6
 50 55 58 60 65 75 80 100 110 125 130 133 150 182
50.8
 25.8 35 37.5 45 50 51 54.5 63.5 67.5 70 75 78 80 90 100 105 112.5 120 125 130 140 145
 150 152.5 195 200 225 250 270 300 330 360 400 450
52
 190
54
 76 130
57
 40 57 75 120 133 150 180
60.5
 76 91 100 120 150 180 200 250 300 400
63.5
 95 105 135 150 175 190 200 300 400 430 500
65
 140 200 280 300 350 400 500
76.2
 130 150 180 190 200 230 250 300 400 450 500
82
 250
89.1
 150 200 250 300 400 500
 

◆There is limited by the thickness for the minimum R (bending mold) of each type. Please contact us for more information to our staff
Mold for sizing…Process of bending heating that is pushed into a mold in press molding by applying heat. We support only bending 180 °.
◆We also design and manufacture mold of size other than the above list.