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 CLASS LIGHT  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) 0.671 17.1 0.656 16.7 1.8 0.453 0.205 0.670 0.457 0.207 0.676 19 169
1/2 (15) 0.841 21.4 0.825 21.0 2.0 0.640 0.290 0.947 0.646 0.293 0.956 14 169
3/4 (20) 1.059 26.9 1.041 26.4 2.3 0.944 0.428 1.380 0.954 0.433 1.390 14 127
1 (25) 1.328 33.8 1.309 33.2 2.6 1.350 0.612 1.980 1.360 0.617 2.00 11 91
1 1/4 (32) 1.670 42.5 1.650 41.9 2.6 1.730 0.785 2.540 1.750 0.794 2.570 11 61
1 1/2 (40) 1.903 48.4 1.882 47.8 2.9 2.190 0.993 3.230 2.220 1.010 3.270 11 44
2 (50) 2.370 60.2 2.347 59.6 2.9 2.760 1.250 4.080 2.810 1.270 4.150 11 37
21/2 (65) 2.991 76.0 2.960 75.2 3.2 3.900 1.770 5.710 3.980 1.810 5.830 11 24
3 (80) 3.491 88.7 3.460 87.9 3.2 4.580 2.080 6.720 4.690 2.130 6.890 11 19
4 (100) 4.481 113.9 4.450 113.0 3.6 6.640 3.010 9.750 6.840 3.100 10.00 11 14

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

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