070M55 / EN 9
070M55
EN 9
General
EN9 IS A MEDIUM CARBON STEEL WITH GOOD TENSILE STRENGTH AND WEAR RESISTANCE. IT CAN BE THROUGH HARDENED BY QUENCHING AND TEMPERING BUT IS USUALLY SUPPLIED UNTREATED OR NORMALISED. EN9 OFFERS POOR WELDABILITY BUT IS WIDELY USED WHERE DURABILITY IS KEY.
Uses
SUITABLE FOR GEARS SHAFTS AND CAMS ETC.
Heat Treatment & Condition
COMMERCIALY AVAILABLE HOT ROLLED,NORMALISED,COLD DRAWN & TURNED BAR.
Chemical Analysis
C
·
0.50/0.60
SI
·
0.10/0.40
MN
·
0.50/0.90
S
·
0.50 MAX
P
·
0.50 MAX
| C | SI | MN | S | P |
|---|---|---|---|---|
| 0.50/0.60 | 0.10/0.40 | 0.50/0.90 | 0.50 MAX | 0.50 MAX |
Typical Mechanical Properties (EXAMPLE ONLY)
TEN. STRENTH
715 N/MM2
YIELD STRESS
415 N/MM2
ELONG
16%
| TEN. STRENTH | YIELD STRESS | ELONG |
|---|---|---|
| 715 N/MM2 | 415 N/MM2 | 16% |