JIS G3454
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Application: Carbon Steel Pipes for Pressure Service
Send EnquiryJIS G3454
Carbon Steel Pipes for Pressure Service
JIS G3454 Grade STPG 370 Specification Covers Carbon Steel Pipes for Pressure Service. Mechanical properties of This steel grades can be varied greatly by heat treating. Through a controlled cycle of heating and cooling, certain desired properties are obtained by producing predictable changes in the microstructure of the steel.
|
KS |
ASTM |
JIS |
DIN |
BS |
|||||
|---|---|---|---|---|---|---|---|---|---|
|
|
GRADE |
|
GRADE |
|
GRADE |
|
GRADE |
|
GRADE |
|
D 3562 |
SPPS 370 |
A 53 |
Gr A |
G-3454 |
STPG 370 |
1626 |
St 37.0 |
3601 |
ERW 360 |
|
SPPS 410 |
A 53 |
Gr B |
STPG 410 |
1626 |
St 44.0 |
3601 |
ERW 360 |
||
|
Grade |
Chemical Composition% |
||||
|---|---|---|---|---|---|
|
C |
Si |
Mn |
P |
S |
|
|
STPG 370 |
0.25이하 |
0.35이하 |
0.30~0.90 |
0.040이하 |
0.040이하 |
|
STPG 410 |
0.30이하 |
0.35이하 |
0.30~1.00 |
0.040이하 |
0.040이하 |
test pressure
units: kgf / ㎠ {bar}
|
Schedule No. |
10 |
20 |
30 |
40 |
60 |
80 |
|---|---|---|---|---|---|---|
|
Test pressure |
20 {20} |
35 {34} |
50 {49} |
60 {59} |
90 {88} |
120 {118} |
NOTE 1 bar = 10 5 Pa
- Re-inspect: pipes JIS G 0303 of 4.4 can determine the suitability carried out according to the regulations.
- Appearance : tube be practically straight, and its both ends shall be at right angles to its axis.
The inside and outside surfaces of the pipe shall be no good, and finish defects detrimental to practical use. - Marking: The tubes pass the examination shall be marked with the following information on each tube. However, when there is a request of a small tube, and the purchaser, it may be displayed in an appropriate way by binding them for each bundle.
