General requirements for rolled structural steel bars, plates, shapes and sheet piling
Dimensions, tolerances and designations of rolled W-shapes, angles, channels and plates.
ASTM International · Unverified confirm current edition and amendments
Technical Standards
The library distinguishes product standards (what the steel is), design standards (how members are designed) and fabrication standards (how steelwork is made and erected).
Product standards
Structural steel shapes
Preferred grade for W-shapes (Fy 50 ksi / 345 MPa).
Applies to: W
ASTM International · Unverified confirm current edition and amendments
Carbon structural steel
Carbon steel for angles, channels, bars and plates (Fy 36 ksi / 250 MPa).
ASTM International · Unverified confirm current edition and amendments
High-strength low-alloy columbium-vanadium structural steel
Grade 50 (345 MPa) for plates, angles and shapes.
ASTM International · Unverified confirm current edition and amendments
Cold-formed welded and seamless carbon steel structural tubing in rounds and shapes
Round, square and rectangular HSS; Grade C most common.
Applies to: HSS-RND HSS-RECT HSS-SQ
ASTM International · Unverified confirm current edition and amendments
Design standards
Specification for Structural Steel Buildings
LRFD / ASD design of structural steel members and connections in buildings.
Applies to: W L HSS-RND HSS-RECT HSS-SQ PL
American Institute of Steel Construction · Unverified confirm current edition and amendments
Fabrication standards
Code of Standard Practice for Steel Buildings and Bridges
Trade practices for fabrication and erection of structural steel.
American Institute of Steel Construction · Unverified confirm current edition and amendments
Structural Welding Code – Steel
Welding of structural steel: procedures, welder qualification and inspection.
American Welding Society · Unverified confirm current edition and amendments
Steel grades
| Grade | Standard | Product form | Thickness range → fy / fu (MPa) | Data |
|---|---|---|---|---|
| US A36 (36 ksi) | ASTM A36/A36M | Angles, bars and plates | 0–203 mm: 250 / 400 | U |
| US A500 Grade C (square/rect.) | ASTM A500/A500M | Square and rectangular HSS | 0–25 mm: 345 / 425 | U |
| US A500 Grade C (round) | ASTM A500/A500M | Round HSS | 0–25 mm: 317 / 425 | U |
| US A572 Grade 50 | ASTM A572/A572M | Shapes, plates and bars | 0–100 mm: 345 / 450 | U |
| US A992 (50 ksi) | ASTM A992/A992M | W-shapes | 0–200 mm: 345 / 450 | U |
Grade strengths are entered for reference and marked UNVERIFIED until checked against the current edition. Always use the mill certificate and the current standard for design.