STANDARD JIS G 3454-1988 JAPANESE INDUSTRIAL STANDARD SPECIFIES

Carbon Steel Pipe for Pressure Service

STANDARD CHEMICAL   COMPOSITION MECHANICAL   PROPERTIES


Max%
Si

Max%
Mn

Max%
P

Max%
S

Max%
Yield  
Strength 
MPa
Tensile
Strength 
MPa
Elongation
min
STPG 370 0.25 0.35 0.30-0.90 0.040 0.040 215 370 30
STPG 410 0.30 0.35 0.30-1.00 0.040 0.040 245 410 25

 

Nominal  diameter Outside Diameter Nominal wall thickness
Schedule 40
Hydrostatic test pressure
Schedule 40
MPa.
Number of
pieces per
bundle
MIN.
mm.
MAX.
mm.
mm in Wall thick.mm Unit mass  Kg/m
15  1/2 21.6 21.8 2.8 1.31 6.0 169
20  3/4 27.1 27.3 2.9 1.74 6.0 127
25 1 33.9 34.1 3.4 2.57 6.0 91
32 1 1/4 42.4 43.0 3.6 3.47 6.0 61
40 1 1/2 48.2 49.0 3.7 4.10 6.0 44
50 2 60.0 61.0 3.9 5.44 6.0 37
65 2 1/2 75.7 76.9 5.2 9.12 6.0 24
80 3 88.4 89.8 5.5 11.3 6.0 19
90 3 1/2 100.8 102.4 5.7 13.5 6.0 14
100 4 113.4 115.2 6.0 16.0 6.0 14
125 5 138.7 140.9 6.6 21.7 6.0 7
150 6 163.9 166.5 7.1 27.7 6.0 7
200 8 214.6 218.0 8.2 42.1 6.0 7
250 10 265.3 269.5 9.3 59.2 6.0 5
300 12 316.0 321.0 10.3 78.3 6.0 5
350 14 352.8 358.4 11.1 94.3 6.0 1
400 16 403.1 409.7 12.7 123 6.0 1
450 18 453.5 460.9 14.3 156 6.0 1

 

Tolerances on Outside Diameter Tolerances on Wall Thickness
25 A  or under ± 0.3 mm   Under 3 mm ± 0.3 mm
32 A  or over ± 8.8 % 3 mm or over ± 10 %