JIS G3454 Carbon Steel Pipes

JIS G3454

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Application: Carbon Steel Pipes for Pressure Service

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JIS 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
SPPS 38  

A 53
A 135

Gr A
Gr A

G-3454

STPG 370
(STPG 38)

1626
1628
1629
1630
17172

St 37.0
St 37.4
St 37.0
St 37.4
StE240.7

3601
778

ERW 360
     S 360
HFS 22
CDS 22
ERW 22

SPPS 410
SPPS 42  

A 53
A 135

Gr B
Gr B

STPG 410
(STPG 42)

1626
1628
1629
1630
17172

St 44.0
St 44.4
St 44.0
St 44.4
StE290.7

3601

ERW 360
     S 360
HFS 27
CDS 27
ERW 27

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.