STANDARD ASTM A-53 SCHEDULE 40 BLACK & GALVANIZED STEEL PIP STANDARD DIN 2440/2444 : BLACK & GALVANIZED STEEL PIPE STANDARD BS 1387 : 1985 CLASS HEAVY BLACK & GALVANIZED STEEL PIPE STANDARD BS 1387 : 1985 MEDIUM BLACK & GALVANIZED STEEL PIPE
STANDARD BS 1387 : 1985 CLASS LIGHT BLACK & GALVANIZED STEEL PIPE CLASS COMMERCIAL QUALITY (A1) BLACK & GALVANIZED STEEL PIPE STANDARD TIS 276.277-2532 BLACK & GALVANIZED STEEL PIPE  

GALVANIZED STEEL PIPE : ท่อประปา


STANDARD BS 1387 : 1985 MEDIUM  BLACK & GALVANIZED STEEL PIPE
CHEMICAL COMPOSITION MECHANICAL PROPERTIES    
C Mn P S TENSILE STRENGTH YIELD STRENGTH ELONGATION HYDROSTATIC TEST (BAR) PIPE THREADS
MAX% MAX% MAX% MAX%     %    
0.2 1.20 0.045 0.045 320-460 N/mm 195 N/mm 20 50 55

Nominal size (DN) Outside Diameter Wall Thickness Calculated Weight Threads Per 25.4 mm. Number of piece per Bundle
  Max Min   Plain Ends Threads & Coupling    
in. in. mm. in. mm. mm. Ib./ft. kg./ft. kg./m. Ib./ft. kg./ft. kg./m.    
3/8 (10) 0.685 17.4 0.660 16.80 2.3 0.563 0.256 0.839 0.567 0.258 0.846 19 169
1/2 (15) 0.856 21.7 0.831 21.10 2.6 0.811 0.369 1.21 0.818 0.372 1.22 14 169
3/4 (20) 1.072 27.2 1.047 26.60 2.6 1.046 0.475 1.56 1.053 0.479 1.57 14 127
1 (25) 1.346 34.2 1.316 33.40 3.2 1.616 0.735 2.41 1.629 0.741 2.43 11 91
1 1/4 (32) 1.687 42.9 1.657 42.10 3.2 2.079 0.945 3.10 2.099 0.954 3.13 11 61
1 1/2 (40) 1.919 48.8 1.889 48.00 3.2 2.394 1.088 3.57 2.421 1.100 3.61 11 44
2 (50) 2.394 60.8 2.354 59.80 3.6 3.373 1.533 5.03 3.420 1.554 5.10 11 37
2 1/2 (65) 3.014 76.6 2.969 75.40 3.6 4.312 1.960 6.43 4.392 1.996 6.55 11 24
3 (80) 3.524 89.5 3.469 88.10 4.0 5.613 2.551 8.37 5.727 2.603 8.54 11 19
4 (100) 4.524 114.9 4.459 113.30 4.5 8.181 3.719 12.2 8.382 3.810 12.50 11 14
5 (125) 5.534 140.6 5.459 138.70 5.0 11.131 5.060 16.6 11.467 5.212 17.10 11 7
6 (150) 6.539 166.1 6.459 164.10 5.0 13.210 6.005 19.7 13.612 6.187 20.30 11 7

DIMENSION TOLERANCE
WALL THICKNESS : -10%, +NOT LIMIT
WEIGH T : 4% PER BUNDLE (OVER 500ft)
: + 10% , -8% PER PIECE
LENGTH : + 50 mm., -0 mm.		  

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