JIS G 3101 Rolled steels for general structure
CurrentLatest edition found. Still confirm amendments with the publisher.
- Edition
- 2024
- Publisher
- JIS
- Part family
- Steel grades & sections
- Reviewed
- 12 October 2026 · source checked
Is JIS G 3101 still current?
Yes. 2024 is the latest edition MechAtlas found (MechAtlas review: 12 October 2026). Check the publisher for amendments before you specify it.
What it covers
Japanese material reference for general structural rolled steels.
- Material
- Steel
- Typical application
- Structures
- What you specify
- Product form; thickness
- Watch out
- SS-series grade selection requires official property limits.
Parts that use JIS G 3101
- I-beam (taper flange) (Japan (JIS), material)
Hot-rolled I-shaped beam with sloping (taper) inner flange faces, used for general frames, supports and runway beams.
Grades: SS400 etc. - Steel plate (Japan (JIS), material)
Flat hot-rolled steel 3 mm and thicker, used for base plates, gussets, liners, chutes and fabricated parts.
Grades: SS400 etc. - Flat bar (Japan (JIS), material)
Hot-rolled rectangular bar used for brackets, stiffeners, wear strips, frames and fabrication.
Grades: SS400 etc. - Structural steel grade (Japan (JIS), main)
The material grade for structural sections and plates, which sets strength, toughness and weldability.
SS400
Grades: SS grades
General structure.
Official source
MechAtlas does not reproduce standards. Check the official edition at the publisher's page for JIS G 3101 or the JIS store.
Open in MechAtlasCheck a drawing callout
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Hot-rolled structural steel - DIN 1025-2 Withdrawn
Wide flange I-beams (IPB / HEB series) - IS 12778 Withdrawn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