About JIS G3115 standard steel plate

Nov 27, 2025 Leave a message

About JIS G3115 Steel Plate

Thickness:5mm-100mm

Length: 3000mm-18800mm or as required

Width: 1500mm-4500mm

Application: petroleum industry;chemical industry, boiler with making tank; reactor, heat exchanger, pressure vessel, boiler drum, liquified petroleum gas pot.

Supplementary Technology: quenching, normalizing plus tempering, quenching and tempering, HIC, SSC, SPWHT, Third Party Test.

Surface: Coated or Shot Blasting and Painting.

Delivery state: Hot Rolled, Cold Rolled

Steel Grade: SPV235, SPV315, SPV355, SPV410, SPV450, SPV490

 

JIS G3115 covers 6 steel grades of different yield and tensile strength levels: SPV235, SPV315, SPV355, SPV410, SPV450, SPV490.

JIS G3115 specifies the hot‐rolled steel plates with improved weldability to be used for pressure vessels equipments for high pressure service (excluding those to be used for high temperature and low temperature services.

 

JIS G3115 Chemical Composition:

JIS G3115 Steel Grade The Element Max (%)
C Si Mn P S
SPV235 0.18 0.35 1.40 0.030 0.030
SPV315 0.18 0.55 1.60 0.030 0.030
SPV355 0.20 0.55 1.60 0.030 0.030
SPV410 0.18 0.75 1.60 0.030 0.030
SPV450 0.18 0.75 1.60 0.030 0.030
SPV490 0.18 0.75 1.60 0.030 0.030

 

JIS G3115 Mechanical Property

JIS G3115 Steel Grade Mechanical Property
Yield Tensile Elongation
SPV315 Min Mpa Mpa Min %
275-315 490-610 16-23%
SPV235 400-510 195-235 17-24%
SPV355 315-355 490-610 14-21%
SPV410 370-410 550-670 12-18%
SPV450 410-450 570-700 19-26%
SPV490 450-490 610-740 18-25%

 

JIS G3115 Equivalent steel grade:

Steel Grade Europe Belgium Germany France Italy Sweden India Japan
SPV235 P 355 GHP 355 N D52-1,2E52-1,2 A St5219 Mn 8St E 355 E 355 RA 510 AP,FP Fe 510-1-KW SS 21,06,01   SB 480
SPV315 P296GHFe E315 D 47-1,2E47-1,2 A St4517 Mn 4St E 315   Fe 460-1-KW SS 21.01.01   SB450
SPV355 P 355 GH P 355 N D52-1,2 E52-1,2 A St52 19 Mn 8 St E 355 E 355 R