JIS G 3106 Rolled steels for welded structure

Is JIS G 3106 still current?

Yes. JIS G 3106:2024 is the latest edition MechAtlas found (MechAtlas review: 27 October 2026). Check the publisher for amendments before you specify it.

What it covers

SM grades of steel for welded structures.

Parts that use JIS G 3106

• Wide-flange / parallel flange H-beam (Japan (JIS), material)
  Hot-rolled I or H section with parallel flange faces, used for columns, main beams, crane girders and pipe racks.
  Grades: SM400 / SM490 etc.
  Weldable structural grades.
• Steel plate (Japan (JIS), material)
  Flat hot-rolled steel 3 mm and thicker, used for base plates, gussets, liners, chutes and fabricated parts.
  Grades: SM400 / SM490 etc.
  For welded structures.
• Structural steel grade (Japan (JIS), main)
  The material grade for structural sections and plates, which sets strength, toughness and weldability.
  SM490A (example)
  Grades: SM grades
  Welded structure.

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for JIS G 3106 or the JIS store.

Other steel grades & sections standards

• EN 10277 Replaced
  Bright steel products
• IS 2062 Replaced
  Hot-rolled structural steel
• DIN 1025-2 Withdrawn
  Wide flange I-beams (IPB / HEB series)
• IS 12778 Withdrawn
  Parallel flange beams, columns and bearing piles
• EN 10210-1 / 10219-1 Changing
  Hot-finished / cold-formed hollow sections
• ASTM A105/A105M Current
  Carbon steel piping forgings
• ASTM A108 Current
  Cold-finished carbon and alloy steel bars
• ASTM A1085 Current
  Cold-formed welded carbon steel HSS
• ASTM A240/A240M Current
  Stainless plate, sheet & strip
• ASTM A29 Current
  General requirements for hot-wrought steel bars
• ASTM A36/A36M Current
  Carbon structural steel
• ASTM A572 / A992 / A500 / A514 Current
  HSLA, W-shapes, HSS, Q&T plate

All Steel grades & sections standards →