| Alloy | Temper | Designation 8) | Tensile test 1) | |||
|---|---|---|---|---|---|---|
| Tensile strength (N/mm2) | Yield strength 0.2% offset (N/mm2) | Elongation (%) | ||||
| 25 | Age Hardenable 6) | Before age hardening | ||||
| O | ![]() |
410 - 540 | - | min. 35 | ||
| 1/4H | ![]() |
510 - 620 | - | min. 10 | ||
| 1/2H | ![]() |
590 - 695 | - | min. 5 | ||
| H | ![]() |
685 - 835 | - | min. 2 | ||
| After age hardening | ||||||
| OT | ![]() |
1100 - 1380 4) | min. 960 | min. 3 | ||
| 1/4HT | ![]() |
1180 - 1400 4) | min. 1030 | min. 2 | ||
| 1/2HT | ![]() |
1240 - 1440 4) | min. 1100 | min. 2 | ||
| HT | ![]() |
1270 - 1480 4) | min. 1140 | min. 1 | ||
| Mill Hardened 6) (Standard) | OM | ![]() |
685 - 885 5) | min. 480 | min. 18 | |
| 1/4HM | ![]() |
735 - 930 5) | min. 550 | min. 10 | ||
| 1/2HM | ![]() |
815 - 1010 5) | min. 650 | min. 8 | ||
| HM | ![]() |
910 - 1110 5) | min. 750 | min. 6 | ||
| XHM | ![]() |
1100 - 1290 5) | min. 930 | min. 2 | ||
| XHMS | ![]() |
1210 - 1400 5) | min. 1030 | min. 2 | ||
| Mill Hardened 6) TypeB (Good formability) |
OMB | ![]() |
640 - 760 5) | 480 - 660 | min. 16 | |
| 1/4HMB | ![]() |
760 - 830 5) | 550 - 760 | min. 15 | ||
| 1/2HMB | ![]() |
830 - 930 5) | 660 - 860 | min. 12 | ||
| HMB | ![]() |
930 - 1030 5) | 760 - 930 | min. 9 | ||
| XHMB | ![]() |
1070 - 1210 5) | 930 - 1170 | min. 4 | ||
| XHMSB | ![]() |
1210 - 1310 5) | 1030 - 1240 | min. 3 | ||
| Mill Hardened 6) 7) TypeS (Excellent formability) |
HM - TypeS | ![]() |
min. 960 | 790 - 940 | 9 - 25 | |
| XHM - TypeS | ![]() |
min. 1060 | 930 - 1070 | 6 - 22 | ||
| Alloy | Temper | Designation 8) | Hardness test 2) | Electrical conductivity 3) (%IACS) |
Heat treatment | |
|---|---|---|---|---|---|---|
| Vickers hardness HV | ||||||
| 25 | Age Hardenable 6) | Before age hardening | ||||
| O | ![]() |
90 - 160 | - | - | ||
| 1/4H | ![]() |
145 - 220 | - | - | ||
| 1/2H | ![]() |
180 - 240 | - | - | ||
| H | ![]() |
210 - 270 | - | - | ||
| After age hardening | ||||||
| OT | ![]() |
350 - 400 | min. 22 | 3hr.at315°C | ||
| 1/4HT | ![]() |
360 - 430 | min. 22 | 2.5hr.at315°C | ||
| 1/2HT | ![]() |
370 - 440 | min. 22 | 2hr.at315°C | ||
| HT | ![]() |
380 - 450 | min. 22 | 2hr.at315°C | ||
| Mill Hardened 6) (Standard) | OM | ![]() |
220 - 270 | min. 20 | - | |
| 1/4HM | ![]() |
235 - 285 | min. 17 | - | ||
| 1/2HM | ![]() |
260 - 310 | min. 17 | - | ||
| HM | ![]() |
295 - 345 | min. 17 | - | ||
| XHM | ![]() |
340 - 390 | min. 17 | - | ||
| XHMS | ![]() |
360 - 410 | min. 17 | - | ||
| Mill Hardened 6) TypeB (Good formability) |
OMB | ![]() |
190 - 250 | min. 16 | - | |
| 1/4HMB | ![]() |
215 - 280 | min. 16 | - | ||
| 1/2HMB | ![]() |
255 - 310 | min. 16 | - | ||
| HMB | ![]() |
280 - 340 | min. 17 | - | ||
| XHMB | ![]() |
330 - 390 | min. 17 | - | ||
| XHMSB | ![]() |
360 - 410 | min. 20 | - | ||
| Mill Hardened 6) 7) TypeS (Excellent formability) |
HM - TypeS | ![]() |
285 - 370 | min. 17 | - | |
| XHM - TypeS | ![]() |
315 - 395 | min. 17 | - | ||
1) Values are applicable to thickness 0.1 mm and over.
2) Values are applicable to thickness 0.1 mm and over.
3) Electrical conductivity is for design guidance only.
4) The upper limits of tensile strength after age hardening are for design guidance only.
5) The upper limits of tensile strength of mill hardened strip are for design guidance only.
6) See page 12 for bending formability.
7) Contact us for purchase instructions.
8) P and R in column "Designation" represent "strip cut to length" and "strip in coils"
Thickness tolerance
| Specified thickness | Tolerance | |
|---|---|---|
| Over | Up to and including | |
| from 0.050 | 0.08 | ±0.004 |
| 0.08 | 0.1 | ±0.005 |
| 0.1 | 0.15 | ±0.006 |
| 0.15 | 0.2 | ±0.008 |
| 0.2 | 0.25 | ±0.010 |
| 0.25 | 0.4 | ±0.015 |
| 0.4 | 0.55 | ±0.020 |
| 0.55 | 0.7 | ±0.025 |
| 0.7 | 0.9 | ±0.030 |
| 0.9 | 1.2 | ±0.035 |
| 1.2 | 1.5 | ±0.045 |
| 1.5 | 2.0 | ±0.050 |
note) When the tolerance is specified either plus or minus side only, the same range of tolerance shall be applied. In case of strip cut to length tolerance shall be determined individually.
Width tolerance(mm)
![]() |
Tolerance | |||
|---|---|---|---|---|
| Strip cut to length | Strip in coils | |||
| Over | Up to and including | max. 200 | max. 100 | Over 100 up toand including 200 |
| from 0.050 | 0.55 | +2 -0 |
±0.1 | ±0.2 |
| 0.55 | 2.0 | +2 -0 |
±0.2 | ±0.3 |
note) When the tolerance is specified either plus or minus side only, the same range of tolerance shall be applied.
Length tolerance(mm)
![]() |
Tolerance | |
|---|---|---|
| Over | Up to and including | max. 1000 |
| from 0.05 | 0.55 | +8 -0 |
| 0.55 | 2.0 | +10 -0 |
Camber tolerance(mm)
| Specified Width | Maximum value | |
|---|---|---|
| Over | Up to and including | Over 1000 length |
| From 4 | 13 | 4 |
| 13 | 50 | 3 |
| 50 | 100 | 2 |
| 100 | 200 | 1 |