ASTM A36
K02600The most common structural carbon steel in the US. Low carbon content with good weldability and machinability. Used for buildings, bridges, construction equipment, and general structural purposes. Minimum yield strength 36 ksi (250 MPa).
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | S275JR | 1.0044 | REF |
| 🇺🇸 | ASTM | USA | ASTM A36 | K02600 | 100% |
| 🇯🇵 | JIS | Japan | SS400 | — | 88% |
| 🇪🇺 | DIN | Europe | St44-2 (old) | — | 88% |
| 🇪🇺 | EN | Europe | S235JR | 1.0038 | 85% |
| 🇨🇳 | GB | China | Q235B | — | 85% |
Sources: EN 10025-2, ASTM A36/A36M-19, JIS G3101, DIN 17100, GB/T 700
Mechanical properties
Compatibility verdict
ASTM A36 and SS400: 88% composition match
Related materials
C45
1.0503Medium carbon unalloyed quality steel. Good machinability and moderate strength after heat treatment. Widely used for shafts, spindles, pins, studs, and general machine parts.
S355JR
1.0045High-strength low-alloy structural steel with minimum yield strength of 355 MPa. Standard grade for bridges, buildings, cranes, and general structural applications. Impact tested at +20°C (JR).
S235JR
1.0038General-purpose structural steel with minimum yield strength of 235 MPa. The most common structural steel grade in Europe for general construction, frames, and non-critical structural applications.
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