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Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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JIS G3454 Carbon Steel Pipes for Pressure Service

This japanese Industrial Standard specifies the carbon steel pipes, hereinafter referred to as the “pipes”, used for pressure service at an approximate maximunn temperature of 350℃. The pipes for high pressure sevice shall be in accordance with JIS G 3455. Standard: JIS G 3454  JIS G 3455  JIS G 3456  Japanese Industrial Standard Uses: For conveying oil ,gas and other fluid

JIS G3454 Carbon Steel Chemical Composition (%):

Standard Grade C Si Mn P S
JIS G3454 STPG 370 ≤0.25 ≤0.35 0.30-0.90 ≤0.040 ≤0.040
STPG 410 ≤0.30 ≤0.35 0.30-1.00 ≤0.040 ≤0.040
JIS G3455 STS 370 ≤0.25 0.10-0.35 0.30-1.10 ≤0.035 ≤0.035
STS410 ≤0.30 0.10-0.35 0.30-1.40 ≤0.035 ≤0.035
STS480 ≤0.33 0.10-0.35 0.30-1.50 ≤0.035 ≤0.035
JIS G3456 STPT 370 ≤0.25 0.10-0.35 0.30-0.90 ≤0.035 ≤0.035
STPT 410 ≤0.30 0.10-0.35 0.30-1.00 ≤0.035 ≤0.035
STPT 480 ≤0.33 0.10-0.35 0.30-1.00 ≤0.035 ≤0.035

JIS G3454 Carbon Steel Mechanical Properties:

Standard Grade Tensile strength (Mpa) Yield strength (Mpa)
JIS G 3455 STS 370 ≥215 ≥370
STS 410 ≥245 ≥410
STS 480 ≥275 ≥480
JIS G 3456 STPT 370 ≥215 ≥370
STPT 410 ≥245 ≥410
STPT 480 ≥275 ≥480

 

World standard comparative table

KS ASTM JIS DIN BS

Grade 

Number

GRADE

Grade 

Number

GRADE

Grade 

Number

GRADE

Grade 

Number

GRADE

Grade 

Number

GRADE
D 3562 SPPS 370 A 53 Gr A G-3454 STPG 370 1626 St 37.0 3601 ERW 360
SPPS 38 A 135 Gr A (STPG 38) 1628 St 37.4 778      S 360
        1629 St 37.0   HFS 22
        1630 St 37.4   CDS 22
        17172 StE240.7   ERW 22
SPPS 410 A 53 Gr B STPG 410 1626 St 44.0 3601 ERW 360
SPPS 42 A 135 Gr B (STPG 42) 1628 St 44.4      S 360
        1629 St 44.0 HFS 27
        1630 St 44.4 CDS 27
        17172 StE290.7 ERW 27

 

JIS G3454 Stpg370 Steel Pipes Carbon Steel Pipes

JIS G3454 Stpg370 Steel Pipes Carbon Steel Pipes

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