Download - Uddeholm

Basic heat treatment guide*
Soft- Austenitizing
Uddeholm annealing (hardening) Quenching
Grade HB 1) temp. °C temperature °C medium
ALVAR 14 ≤250 700 830–900 Oil, step, gas
ALVAR ≤250 780 880–920 Oil, step, gas
ARNE 190 780 790–850 Oil, step bath
CALDIE 215 860 1000–1025 Gas, step
CALMAX 200 860 950–970 Gas, step, oil
CARMO ~250 2) 860 950–970 Gas, step, oil
CHIPPER 225 880 980–1050 Gas, step, oil
CORRAX 4) ~330 – – –
DIEVAR ~160 850 1000–1030 Gas, step, oil
ELMAX 3) 280 980 1050–1100 Gas, step, salt
FERMO 270 2) 770 flame hard. 850 Oil
FORMAX 170 – – –
HOLDAX ~310 2) 700 as-del. cond. –
HOTVAR ~210 820 1050–1070 Gas, step, oil
IMPAX
SUPREME ~310 2) 700 as-del. cond. –
MIRRAX ESR 250 740 1000–1025 Gas, step
MIRRAX 40 380 2) – as-del. cond. –
NIMAX ~380 2) _ as-del. cond. –
ORVAR
SUPREME 180 850 1020–1050 Gas, step, oil
ORVAR
SUPERIOR 180 850 1020–1050 Gas, step, oil
ORVAR 2 M 5) 180 850 1020–1050 Gas, step, oil
POLMAX ~190 890 1000–1050 Step, salt bath, gas
QRO 90
SUPREME 180 820 1020–1050 Gas, step, oil
RAMAX HH ~340 2) 740 as-del. cond. –
RIGOR 215 850 925–960 Gas, step
ROYALLOY 310 2) – as-del. cond. –
SLEIPNER ~235 850 950–1080 Gas, step
SR 1855 210 810 850–880 Oil, step, gas
STAVAX ESR ~190 890 1010–1050 Step, salt bath, gas
SVERKER 3 240 850 920–1000 Gas, step
SVERKER 21 210 850 990–1050 Gas, step
6