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    Chermical & Physical Requirement
Standard
Application
Chemical Requirment(%)
Physical REquirement
Specitication
C
MAX
Mn
MAX
P
MAX
S
MAX
Others
Tensile
Srength
Yield
Strength
Elongation
<Min%>
Gauge
Length<in>
ASTM
A 53
A
Steel Pipe for General
Purpoese
0.25
0.95
0.050
0.060
-
Min 48,000 psi (33.7㎏/㎟)
Min 30,000 psi (21.1㎏/㎟)
35
(56t+17.50)
2
B
0.30
1.20
0.050
0.060
-
Min 60,000 psi(42.2㎏/㎟)
Min 35,000 psi (24.6㎏/㎟)
30
(48t+15.00)
2
BS
1387
L
Steel Pipe
for Ordinary Uses (for Screwing)

-
-
0.060
0.060
-
21~30ton/in²
(33-47.2㎏/㎟)
-
20
5.65√A
M
-
-
0.060
0.060
-
-
H
-
-
0.060
0.060
-
-
KS D 3507
SPP
Carbon Steel Pipes for
-
-
0.040
0.040
-
30 ㎏/㎟
-
30
-
JIS G 3452
SGP
Oedinary Piping
-
-
0.040
0.040
-
30 ㎏/㎟
-
30
-
KS D 3537
SPPW
Galvanized
Steel Pipes for
-
-
0.040
0.040
-
-
-
-
JIS G 3452
SGPW
Water Service
-
-
0.040
0.040
-
-
-
-
KS D 3583
SPW41
Electric Arc Welded Carbon Steel Pipes
-
-
0.050
0.050
-
-
23 ㎏/㎟
18
-
JIS G 3457
STPY41
-
-
0.050
0.050
-
-
23 ㎏/㎟
18
-