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1. special steel DIN1.2344 flat bar
2.the process of EAF+LF+VD+ESR
1) Chemical composition
C | Si | Mn | P | S | Cr | Mo | V |
0.39 | 0.9 | 0.4 | 0.015 | 0.002 | 5.3 | 1.2 | 0.8 |
2)Our supply DIN 1.2344 tool steel specification as following :
Grade | Tech requirement | Specification | Delivery condition |
1.2344 plate | VOD hot rolled | 16mm-50mm × 200mm-600mm | Black |
1.2344 plate | VOD forged | 50mm-200mm ×200mm-600mm | milled in four faces |
1.2344 plate | VOD forged | 200mm-400mm ×500mm-800mm | milled in four faces |
1.2344 plate | ESR forged | 50mm-300mm ×200mm-600mm | milled in four faces |
1.2344 plate | ESR forged | 350mm-550mm × 500mm-800mm | milled in four faces |
tool steel DIN 1.2344 round bar
Grade | Tech requirement | Specification | Delivery condition |
1.2344 round bar | VOD hot rolled | DIA 20mm-50mm | Black |
1.2344 round bar | VOD forged | DIA 50mm-450mm | turned |
1.2344 round bar | ESR forged | DIA50mm-650mm | turned |
3) Test piece heat-treatment conditions
Heat-treatment conditions°C | hardness | Abnormal point°C | ||||
annealing | quenching | tempering | Annealing HB | Quenching and tempering HRC | AC | MS |
820870Slow cooling | 10001050Air-cooled | 550650Air-cooled |
≤235 |
55 |
—— | 320 |
Application
application | Hardness HRC | application | Hardness HRC |
Aluminum-magnesium alloy die-casting mould | 43-50 | Thermal mould(steel,copper) | 45-50 |
Die casting mould parts | 45-50 | Thermal shear | 45-50 |
cylinder,hydraulic head |
|
|
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Aluminum extrusion mould | 45-50 | Cold forging mould | 50-52 |
4) term of payment: T/T or L/C
5) term of delivery: CIF or discuss
6) Ultrasonic Test: according to the customer's technical standard to ensure pass the ultrasonic
flaw detection.
special steel DIN1.2344 flat bar