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 (S355 / S355J2 / S355JR / S355J2+N), OFFERING CONSISTENT PERFORMANCE, GOOD MACHINABILITY, AND RELIABLE TOUGHNESS EVEN AT LOW TEMPERATURES.
Uses
STRUCTURAL FRAMEWORKS, CHASSIS AND FRAMES, OFFSHORE STRUCTURES, CRANE BOOMS.
Heat Treatment & Condition
CONDITION A
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 (EXAMPLE ONLY)
TEN. STRENGTH
470-630 MPa
YIELD STRESS
355 MPa
ELONG
16-20%
HARDNESS
150 HB MIN
| TEN. STRENGTH | YIELD STRESS | ELONG | HARDNESS |
|---|---|---|---|
| 470-630 MPa | 355 MPa | 16-20% | 150 HB MIN |