GARBAFLEX 177 PH
Flat and shaped wire
GARBAFLEX 177PH is a precipitation hardenable stainless wire for flat and shaped wire applications in corrosive atmos-phere and elevated working temperature.
| C (%) | Si (%) | Mn (%) | P max. (%) | S max. (%) | Cr (%) | Ni (%) | Al (%) |
|---|---|---|---|---|---|---|---|
| 0.09 | 0.70 | 1.00 | 0.025 | 0.015 | 16.00 - 18.00 | 6.50 - 7.80 | 0.70 - 1.50 |
For flat rolled wire
| Width (mm) | Tolerance (mm) |
|---|---|
| 1.00 - 5.00 | ±0.050 |
| 5.01 - 8.00 | ±0.070 |
| 8.01 - 10.00 | ±0.100 |
| Thickness (mm) | Tolerance (mm) |
|---|---|
| 0.30 - 0.80 | ±0.013 |
| 0.81 - 1.00 | ±0.019 |
| 1.01 - 1.60 | ±0.025 |
| 1.61 - 2.30 | ±0.050 |
For shaped wire
| Width (mm) | Tolerance (mm) |
|---|---|
| 1.50 | ±0.020 |
| 1.51 - 3.00 | ±0.030 |
| 3.01 - 5.00 | ±0.040 |
| 5.01 - 7.00 | ±0.050 |
| 7.00 | ±0.060 |
Execution
Rolled on 2 sides (flat).
Rolled on 4 sides (shaped).
Surface
Bright. Surface defects max. 1% of thickness.
E and G modulus of elasticity
Abt. 180 kN/mm2 in drawn condition.
Abt. 185 kN/mm2 after heat treatment.
E and G modulus of shear
Abt. 70 kN/mm2 in drawn condition.
Abt. 73 kN/mm2 after heat treatment.
Density: 7.90 kg/dm3.
Heat treatment
For best spring properties the springs are heat treated at a temperature of 480 ºC (896 ºF) for 1 hour and then air cooled. The tensile strength of the wire before and after this treatment is given in the table for steel grade GARBA 177PH.