070M20 / EN 3A
070M20
EN 3A
General
EN3A IS A GENERAL-PURPOSE, LOW CARBON MILD STEEL OFFERING EXCELLENT MACHINABILITY AND WELDABILITY. IT IS SOFTER THAN EN3B AND IS COMMONLY USED IN LIGHT ENGINEERING APPLICATIONS WHERE FORMING, BENDING, OR TURNING IS REQUIRED. EN3A IS IDEAL FOR APPLICATIONS THAT DO NOT REQUIRE HIGH TENSILE STRENGTH OR HEAT TREATMENT.
Uses
SUITABLE FOR LIGHTLY STRESSED STUDS, BOLTS,SHAFTS ETC. GOOD FOR MACHINIING AND WELDING.
Heat Treatment & Condition
COMMERCIALY AVAILABLE IN HOT ROLLED, NORMALISED, COLD DRAWN & TURNED BAR
Chemical Analysis
C
·
0.16/0.24
Si
·
0.10/0.40
Mn
·
0.50/0.90
S
·
0.050 MAX
P
·
0.050 MAX
| C | Si | Mn | S | P |
|---|---|---|---|---|
| 0.16/0.24 | 0.10/0.40 | 0.50/0.90 | 0.050 MAX | 0.050 MAX |
Typical Mechanical Properties (EXAMPLE ONLY)
TEN. STRENTH
430 N/MM2
YIELD STRESS
300 N/MM2
ELONG
21%
HARDNESS
126 HB MIN
| TEN. STRENTH | YIELD STRESS | ELONG | HARDNESS |
|---|---|---|---|
| 430 N/MM2 | 300 N/MM2 | 21% | 126 HB MIN |