- 1.2842 90MnCrV8 Tool Steel round bar
- 1.2842 90MnCrV8 Tool Steel forging
- 1.2842 90MnCrV8 Tool Steel sheet
- 1.2842 90MnCrV8 Tool Steel flat bar
- 1.2842 90MnCrV8 Tool Steel pipe
1.2842 90MnCrV8 Tool Steel
Production specification
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
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1.2842 is a quality non-distorting cold work steel/" target="_blank" class="keylink">tool steel. It is characterised by giving high surface hardness after tempering. 1.2842 offers good dimensional stability in hardening and good machinability. Conforms to Werkstoff Number 1.2842 and DIN specification 90MnCrV8. |
Typical Analysis - 1.2842 Tool Steel | ||||
C. |
Mn. |
Cr. |
Si. |
V. |
0.90% |
1.80% |
0.40% |
0.20% |
0.10% |
Forging:
Heat 1.2842 slowly and uniformly to 1000°C. Forge within a range of 1050/850°C reheating if necessary. Cool slowly (preferably in a furnace) to avoid setting up stresses.
Annealing:
Heat uniformly to 720°C, equalise, then furnace cool. (Hardness about 229 Brinell). Fully machined tools in grade 1.2842 should be packed during annealing.
Hardening:
Heat the 1.2842 uniformly to 790/820°C until heated through. (If possible pre-heat at 300/500°C). Allow 30 minutes per 25 millimetre of ruling section and quench immediately in oil.
Martempering:
Martempering of 1.2842 is an alternative hardening procedure which may be used when suitable salt bath equipment is available.
Tempering:
Heat the 1.2842 uniformly and thoroughly at the selected tempering temperatures and hold for at least one hour per inch of total thickness.
Tempering °C |
100 |
150 |
200 |
250 |
300 |
400 |
HRc |
64/63 |
63/62 |
62/61 |
60/59 |
58/57 |
51/50 |
Mechanical properties
Heat treatment
Machining
Welding performance
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