S355 (50D)
S355 (50D)
General
S355 IS A LOW CARBON, HIGH-STRENGTH STRUCTURAL STEEL WIDELY USED IN CONSTRUCTION AND ENGINEERING APPLICATIONS. KNOWN FOR ITS EXCELLENT STRENGTH-TO-WEIGHT RATIO AND GOOD WELDABILITY, IT IS A POPULAR CHOICE FOR STRUCTURAL FRAMEWORKS, BRIDGES, BUILDINGS, AND GENERAL FABRICATION. THIS STEEL GRADE IS AVAILABLE IN VARIOUS FORMS (S355JR, S355J2, ETC.), OFFERING CONSISTENT PERFORMANCE, GOOD MACHINABILITY, AND RELIABLE TOUGHNESS EVEN AT LOW TEMPERATURES.
Uses
STRUCTURAL FRAMEWORKS, CHASSIS AND FRAMES, OFFSHORE STRUCTURES, CRANE BOOMS.
Chemical Analysis
C
·
0.20 MAX
Si
·
0.55 MAX
Mn
·
1.60 MAX
S
·
0.025 MAX
P
·
0.025 MAX
| C | Si | Mn | S | P |
|---|---|---|---|---|
| 0.20 MAX | 0.55 MAX | 1.60 MAX | 0.025 MAX | 0.025 MAX |
Typical Mechanical Properties
TEN. STRENTH
400-630 MPa
YEILD STRENGTH
265-345 MPa
ELONG.
18-22%
| TEN. STRENTH | YEILD STRENGTH | ELONG. |
|---|---|---|
| 400-630 MPa | 265-345 MPa | 18-22% |