Black & Galvanised Tubes

DIMENSION & WEIGHTS OF BLACK & GALVANISED TUBES FOR
WATER, OIL,STEAM AND GAS MAINS TO I.S. 1239. (PART I)-1973
EQUIVALENT TO B.S. 1387 : 1967

DIMENSIONS

 

NOMI
NAL
BORE

Outside Diameter
of Tubes

Thickness

Light

Medium
and Heavy

Light

Med.

Heavy

Max Min Max Min
inch

m.m.

m.m. m.m. m.m. m.m. m.m. m.m. m.m.
1/2 15 21.4 21.0 21.8 21.0 2.0 2.65 3.25
3/4 20 26.9 26.4 27.3 26.5 2.35 2.65 3.25
1 25 33.8 33.2 34.2 33.3 2.65 3.25 4.05
1 1/4 32 42.5 41.9 42.9 42.0 2.65 3.25 4.05
1 1/2 40 48.4 47.8 48.8 47.9 2.9 3.25 4.05
2 50 60.2 59.6 60.8 59.7 2.9 3.65 4.5
2 1/2 65 76.0 75.2 76.6 75.3 3.25 3.65 4.5
3 80 88.7 87.9 89.5 88.0 3.25 4.05 4.85
4 100 - - 115.0 113.1 - 4.5 5.4
 

METERS PER TONNE  (100 Kgs)
 

NOMINAL
BORE
BLACK GALVANISED
inch mm Plain Ends Screwed and
Socketed
Plain Ends Screwed and
Socketed
Light Mid. Heavy Light Med. Heavy Light Med. Heavy Light Med. Heavy
1/2 15 1050 820 690 1040 813 685 980 782 663 970 775 658
3/4 20 709 633 526 704 629 524 671 603 505 666 599 503
1 25 498 410 336 493 407 334 474 394 326 469 391 324
1 1/4 32 388 318 260 383 316 258 369 307 253 365 304 251
1 1/2 40 308 277 226 304 274 224 295 267 218 292 264 216
2 50 243 196 162 239 193 160 233 190 158 230 187 156
2 1/2 65 172 154 127 169 151 125 166 149 123 163 146 121
3 80 147 118 99 143 116 98 142 115 97 138 113 95
4 100 - 82 69 - 80 68 98 81 68 95 79 67

NOMINAL WEIGHTS PER METRE
 
NOMINAL
BORE
BLACK SOCKETS GALVANISED
Plain Ends Screwed and
Socketed

 

Approxout
Side Dia
Min
length
Plain Ends Screwed and
 Socketed
Light Med. Heavy Light Med. Heavy Light Med. Heavy Light Med Heavy
inch mm Kg. Kg. Kg. Kg. Kg. Kg. mm mm Kg. Kg. Kg. Kg. Kg. Kg.
1/2 15 0.952 1.2 1.45 0.961 1.23 1.46 27.4 37 1.02 1.28 1.51 1.03 1.29 1.52
3/4 20 1.41 1.58 1.90 1.42 1.59 1.91 32.5 39 1.49 1.66 1.98 1.50 1.67 1.99
1 25 2.01 2.44 2.97 2.03 2.46 2.99 39.5 46 2.11 2.54 3.07 2.13 2.56 3.09
1 1/4 32 2.58 3.14 3.84 2.61 3.17 3.87 49 51 2.71 3.26 3.96 2.74 3.29 3.99
1 1/2 40 3.25 3.61 4.43 3.29 3.65 4.47 56 51 3.39 3.75 4.59 3.43 3.79 4.63
2 50 4.11 5.10 6.17 4.18 5.17 6.24 68 60 4.29 5.28 6.35 4.36 5.35 6.42
2 1/2 65 5.80 6.51 7.90 5.92 6.63 8.02 84 69 6.04 6.72 8.11 6.16 6.84 8.23
3 80 6.81 8.47 10.1 6.98 8.64 10.3 98 75 7.06 8.72 10.34 7.29 8.89 10.51
4 100 9.89 12.1 14.4 - 12.4 14.7 124 87 10.21 12.42 14.72 10.51 12.72 15.02

TOLERANCES
 
Thickness

Light

 + Unlimited
-8%

 

Medium
& Heavy

+ unlimited
-10%
Weight

Single Tube
Quantities less
then 150meters of one size

+ 10%
+ 10%
-  8%

 

Quantities of
150 meters or
more of one
size

+ 4%
-  4%

Length

Unless otherwise
specified 4 to 7 meters

-