ASTM A733 welding and seamless carbon steel and austenitic stainless steel pipe joints are suitable for liquid, particle, gas transportation pipelines, such as chemical, refining, boilers, power, food and other fields.
| TABLE 1 Dash Numbers for Standard and Extra Strong Steel Pipe Nipples | ||||||||||||||
| NOMINAL PIPE SIZE | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 4 | 5 | 6 |
| A OUTSIDE DIA, in. A | .405 | .540 | .675 | .840 | 1.05 0 | 1.31 5 | 1.660 | 1.900 | 2.375 | 2.875 | 3.500 | 4.500 | 5.563 | 6.625 |
| B THICKNESS:. inA (STANDARD) (EXTRA STRONG) | .068 .095 | .088 .119 | .091 .126 | .109 .147 | .113 .179 | .133 .179 | .140 .191 | .145 .200 | .154 .218 | .203 .276 | .216 .300 | .237 .337 | .258 .375 | .280 .432 |
| L LENGTH ±1/16 IN.A | DASH NUMBERS | |||||||||||||
| 3/4 | A1 | |||||||||||||
| 7/8 | B25 | |||||||||||||
| 1 | B49 | |||||||||||||
| 1⅛ | B73 | |||||||||||||
| 1⅜ | B97 | |||||||||||||
| 1½ | C6 | C29 | C52 | C75 | B121 | |||||||||
| 1⅝ | B145 | |||||||||||||
| 1¾ | B169 | |||||||||||||
| 2 | 9 | 32 | 55 | 78 | C101 | C124 | B193 | |||||||
| 2½ | 10 | 33 | 56 | 79 | 102 | 125 | C148 | C171 | C194 | B217 | ||||
| 3 | 11 | 34 | 57 | 80 | 103 | 126 | 149 | 172 | 195 | C218 | C241 | |||
| 3½ | 12 | 35 | 58 | 81 | 104 | 127 | 150 | 173 | 196 | 219 | 242 | |||
| 4 | 13 | 36 | 59 | 82 | 105 | 128 | 151 | 174 | 197 | 220 | 243 | |||
| 4½ | 14 | 37 | 60 | 83 | 106 | 129 | 152 | 175 | 198 | 221 | 244 | C290 | C313 | |
| 5 | 15 | 38 | 61 | 84 | 107 | 130 | 153 | 176 | 199 | 222 | 245 | |||
| 5½ | 16 | 39 | 62 | 85 | 108 | 131 | 154 | 177 | 200 | 223 | 246 | |||
| 6 | 17 | 40 | 63 | 86 | 109 | 132 | 155 | 178 | 201 | 224 | 247 | 270 | 316 | |
| 7 | 18 | 41 | 64 | 87 | 110 | 133 | 156 | 179 | 202 | 225 | 248 | |||
| 8 | 19 | 42 | 65 | 88 | 111 | 134 | 157 | 180 | 203 | 226 | 249 | |||
| 9 | 20 | 43 | 66 | 89 | 112 | 135 | 158 | 181 | 204 | 227 | 250 | |||
| 10 | 21 | 44 | 67 | 90 | 113 | 136 | 159 | 182 | 205 | 228 | 251 | |||
| 11 | 22 | 45 | 68 | 91 | 114 | 137 | 160 | 183 | 206 | 229 | 252 | |||
| 12 | 23 | 46 | 69 | 92 | 115 | 138 | 161 | 184 | 207 | 230 | 253 | |||
Notes:
A1 in.= 25.4 mm
B Close type nipples
C Short (shoulder) type nipples
KIDY is a service-oriented enterprise with a complete range of steel grades, including F304, F321, 316L, and F904L. Regular specifications have been prepared with billets for a long time, and the production cycle is fast. Non standard sizes can be customized!
Customer Satisfaction Is Our Honor. Feel free to enquiry us any questions of pipeline materials.
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