Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player

ระบบท่อ
อุปกรณ์และข้อต่อ
วาวล์และมาตรวัดน้ำ
อื่นๆ
Type : ท่อ GSP & BSP มาตรฐาน BS 1387-1985
Brand : SAMCHAI , THAI UNION , SAHATHAI , MITRSTEEL
Standard : BS 1387-1985
Length : 6 เมตร
STANDARD BS 1387 : 1985 CLASS MEDIUM BLACK & GALVANIZED STEEL PIPE
Nominal
size
DN
Designation
of
Thread
Outside Diameter Wall
Thickness
mm.
Calculated Weight Threads
Per
25.4 mm.
Number
of piece
per Bundle
Max.
mm.
Min.
mm.
Plain Ends
kg/m.
Threads & Coupling
kg/m.
15 1/2 21.7 21.1 2.6 1.21 1.22 14 169
20 3/4 27.2 26.6 2.6 1.56 1.57 14 127
25 1 34.2 33.4 3.2 2.41 2.43 11 91
32 1 1/4 42.9 42.1 3.2 3.10 3.13 11 61
40 1 1/2 48.8 48.0 3.2 3.57 3.61 11 44
50 2 60.8 59.8 3.6 5.03 5.10 11 37
65 2 1/2 76.6 75.4 3.6 6.43 6.55 11 24
80 3 89.5 88.1 4.0 8.37 8.54 11 19
100 4 114.9 113.3 4.5 12.20 12.50 11 14
125 5 140.6 138.7 5.0 16.60 17.10 11 7
150 6 166.1 164.1 5.0 19.70 20.30 11 7
STANDARD BS 1387 : 1985 CLASS HEAVY BLACK & GALVANIZED STEEL PIPE
Nominal
size
DN
Designation
of
Thread
Outside Diameter Wall
Thickness
mm.
Calculated Weight Threads
Per
25.4 mm.
Number
of piece
per Bundle
Max.
mm.
Min.
mm.
Plain Ends
kg/m.
Threads & Coupling
kg/m.
15 1/2 21.7 21.1 3.2 1.44 1.45 14 169
20 3/4 27.2 26.6 3.2 1.87 1.88 14 127
25 1 34.2 33.4 4.0 2.94 2.96 11 91
32 1 1/4 42.9 42.1 4.0 3.80 3.83 11 61
40 1 1/2 48.8 48.0 4.0 4.38 4.42 11 44
50 2 60.8 59.8 4.5 6.19 6.26 11 37
65 2 1/2 76.6 75.4 4.5 7.93 8.05 11 24
80 3 89.5 88.1 5.0 10.30 10.50 11 19
100 4 114.9 113.3 5.4 14.50 14.80 11 14
125 5 140.6 138.7 5.4 17.90 18.40 11 7
150 6 166.1 164.1 5.4 21.30 21.90 11 7
CHEMICAL COMPOSITION MECHANICAL PROPERTIES HYDROSTATIC
TEST
(BAR)
C
MAX%
Mn
MAX%
P
MAX%
S
MAX%
Tensile strength Yield strength Elongation
min%
0.20 1.20 0.045 0.045 320-460 N/mm2 195 N/mm2 20 50
TOLERANCE CLASS LIGHT CLASS MEDIUM CLASS HEAVY
  WALL THICKNESS -8% + NOT LIMIT -10% + NOT LIMIT -10% + NOT LIMIT
  WEIGHT + 10% , - 8% per piece / ± 4% per Bundle (Over 500 ft)
  LENGTH + 50 mm. , - 0 mm.