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 HEAVY  BLACK & GALVANIZED STEEL PIPE
CHEMICAL COMPOSITION MECHANICAL PROPERTIES    
C
MAX%
 Mn
MAX%		 P
MAX%		 S
MAX%		 TENSILE STRENGTH YIELD STRENGTH ELONGATION
%		 HYDROSTATIC
TEST (BAR)		 PIPE THREADS
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.		 Numberof 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.    
1/2 (15) 0.854 21.7 0.831 21.1 3.2 0.966 0.439 1.44 0.972 0.442 1.45 14 169
3/4 (20) 1.071 27.2 1.047 26.6 3.2 1.254 0.570 1.87 1.261 0.573 1.88 14 127
1 (25) 1.346 34.2 1.316 33.4 4.0 1.971 0.896 2.94 1.985 0.902 2.96 11 91
1 1/4 (32) 1.685 42.9 1.657 42.1 4.0 2.548 1.158 3.80 2.568 1.167 3.83 11 61
1 1/2 (40) 1.917 48.8 1.889 48.0 4.0 2.937 1.335 4.38 2.964 1.347 4.42 11 44
2 (50) 2.394 60.8 2.354 59.8 4.5 4.151 1.887 6.19 4.198 1.908 6.26 11 37
2 1/2 (65) 3.016 76.6 2.969 75.4 4.5 5.318 2.417 7.93 5.398 2.454 8.05 11 24
3 (80) 3.523 89.5 3.469 88.1 5.0 6.907 3.139 10.30 7.041 3.200 10.5 11 19
4 (100) 4.523 114.9 4.459 113.3 5.4 9.723 4.420 14.50 9.924 4.511 14.8 11 14
5 (125) 5.353 140.6 5.459 138.7 5.4 12.003 5.456 17.90 12.338 5.608 18.4 11 7
6 (150) 6.539 166.1 6.459 164.1 5.4 14.283 6.492 21.30 14.685 6.675 21.9 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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