1. Thickness: 5mm-100mm
  2. Length: 3000 mm-18000 mm
  3. Width: 1500 mm-4020 mm
  4. Application: Primarily used in the manufacturing of reactors, heat exchangers, separators, boilers in power stations, spherical tanks, liquefied gas storage, nuclear reactor pressure vessels, and similar applications.
  5. Additional Technologies: Includes Z15, Z25, Z35, Ultrasonic testing, Sharp V-notch impact testing, HIC (Hydrogen-Induced Cracking) resistance, SSC (Sulfide Stress Cracking) resistance, SPWHT (Post-Weld Heat Treatment), Macrostructure examination, defect detection, Hardness testing, as well as DWTT (Drop Weight Tear Test).
  6. Surface Treatment: Options include coating or Shot Blasting and Painting.
  7. Delivery Condition: Available in both Hot Rolled and Cold Rolled states.
  8. Steel Grades: SBV1A, SBV1B, SBV2, SBV3

The JIS G3119 specification encompasses steel grades SBV1A, SBV1B, SBV2, and SBV3. This specification is designed for the manufacturing of pressure vessels used in high-pressure equipment, and it is not intended for use in high-temperature environments. Classified as low alloy steel, the grades specified in this standard exhibit excellent toughness and welding performance, with the option to include alloy elements as agreed upon.

JIS G3119 Chemical Composition:

Steel GradeThickness mmC ≤Si ≤Mn ≤P ≤S ≤Ni
SBV1A≤2525~5050~1500.200.230.250.15~0.300.95~1.300.0350.040-
SBV1B≤2525~5050~1500.200.230.250.15~0.301.15~1.500.0350.040-
SBV2≤2525~5050~1500.200.230.250.15~0.301.15~1.500.0350.0400.40~0.70
SBV3≤2525~5050~1500.200.230.250.15~0.301.15~1.500.0350.0400.70~1.00

JIS G3119 Mechanical Property

Steel GradeMin Yield strength in different thicknessMin tensile strength in different thicknessElongation in different thickness
SBV1A≥315520-660≤2525≤t≤150
SBV1B≥345550-690≤2525≤t≤150
SBV2≥345550-690≤2525≤t≤150
SBV3t<2525≤t≤5050<t<1500.15-0.40

CG Steel provides ready stock and sources JIS G3119 steel plates from reputable steel mills. Additionally, we offer steel fabrication services, allowing the plates to undergo various processes such as cutting (to any size and shape), drilling, welding, milling, and machining according to your specifications. If you're looking to purchase JIS G3119 steel plate products, feel free to reach out to us for the latest pricing information.