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MATERIALS |
COLOUR CODE |
AISI/ BS |
W.Nr DIN |
DESCRIPTION/ APPLICATION |
FORMS AVAILABLE |
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4140 H & T
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PINK |
4140 |
1.7225 |
Components requiring high tensile strength in automotive gears, crank shafts, steering knuckles, gun barrels. Suitable for gas and bath nitriding (surface hardness ~650 HV). |
Rounds
ø 6 - ø 500
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4340 H & T
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WHITE |
4340 |
1.6582 |
Highly stressed components for the aircraft and automotive industries, propeller shafts, connecting rods, gear shafts, discs. |
Rounds
ø 25 - ø 500
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BOHLER M200
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UDDEHOLM HOLDAX
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Free machining pre-hardened high strength steel.
Tensile strength about 1000MPa. Suitable for flame/induction hardening and nitriding. |
See Plastic mould steel section. |
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BOHLER M238
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UDDEHOLM
IMPAX SUPREME
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As above, but NOT free machining. Can be used as an alternative to 4140 and 4340,particularly large sections where consistent hardness throughout the section is called for. |
See Plastic mould steel section |
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BOHLER M261
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BOHLER M461
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Precipitation hardened ,high strength special steel/
Tensile strength about 1230 MPa ( about 40 HRC hardness). Good NITRIDING properties. |
See Plastic mould steel section. |
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BOHLER K600
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EN30B
MODIFIED |
1.2767 |
Supplied in the annealed condition. Air hardenable.
High toughness and good compressive strength after heat treatment. |
See Cold work steel section. |
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E 110
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GREEN PINK PURPLE |
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1.6587 |
Carburising/ casehardening steels with high toughness and core strength. Suitable for highly stressed components and gears, crankshafts, pins and bushes etc& |
Rounds
ø 20 - ø 400 |
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EN 39B
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PINK
YELLOW |
EN39B |
1.6723
1.2764 |
Carburising/ casehardening steels with high toughness and core strength. Suitable for highly stressed components and gears, crankshafts, pins and bushes etc& |
Rounds
ø 40 - ø 400 |
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UDDEHOLM
THG 2000
NEW
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HIGH PERFORMANCE special steel. 41-45 HRC hardness in the pre-hardened supply condition.
Approx. 185HB hardness in the annealed condition.
Intended for applications with severe demands on the mechanical properties of the material while also requiring very good machinability. Suitable for induction hardening,PVD coating & NITRIDING (900-1100 HV surface hardness).For highly stressed drive shafts and transmission parts for motor vehicles,tool and cutter holders,rolls and clamp jaws. |
Rounds
Diam. 16 -
Diam 70 mm
PRE-HARDENED. |
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V810 |
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EN41A
905M31 |
1.8507 |
Cr-Al-Mo NITRIDING steel
Features very good surface hardness and wear resistance. Typical tensile strength as supplied 697-900 MPa. Nitrided surface hardness about 1080 HV. |
Rounds
ø 80 mm - ø 200 mm
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