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  Strength
Posted by: britt - 10-24-2014, 04:51 PM - Forum: General Design Guidelines - No Replies

DC53 high hardness (HRc62) coupled with standard methods of heat treating result in superior bending strength, up to 25% higher than D2. Ideal for dies to form high tensile steel plates and other heavy-thickness steel plates and cold forming tools undergoing high loads such as dies for bending and cold forging.

A secondary refining process minimizes the size of carbides and decreases nonmetallic inclusions for a substantially increased fatigue strength over D2. This characteristic makes DC53 suitable for use where repeated stresses are loaded, such as precision-punching dies with small clearance and cold forming tools. DC53 is particularly suited to handling less-workable materials such as stainless and heat-treated alloy steels.

We have more information including hardness & bending yield strength relationship charts our Web site here: http://www.imsteel.com/diesteels_dc53.htm

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  Stability
Posted by: britt - 10-24-2014, 04:51 PM - Forum: General Design Guidelines - No Replies

Dimensional changes of dies in operation are caused mainly by decomposition of retained austenite. High-temperature tempering (520 to 530C) reduces the presence of austenite to 5% or less, providing the same effect as the troublesome application of subzero treatment. This reduction in retained austenite makes DC53 particularly suitable for precision dies and gauges where dimensional changes during operation must be minimized.

It should be noted: As with any cold work die steel, when dealing with close tolerance parts and tempering at the high tempering temperature, it is necessary to temper a third time @ 400C. This helps to minimize the occurrence of grain growth and distortion that may occur weeks or even months after heat treat.

We have more information on our Web site, including a chart that shows the relationship between tempering temperature and amount of retained austenite here:
http://www.imsteel.com/diesteels_dc53.htm

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  NEW DC53 PRODUCT
Posted by: britt - 10-24-2014, 04:50 PM - Forum: DC53 NEWS - No Replies

DC53 PUNCH STOCK IS HERE!!!!!

DC53 has become the most popular upgrade for catalog punches in Asia. Better impact strength with comparable wear to M2 are only part of the reasons. DC53 machines and grinds dramatically better than D2 or M2. One major USA punch maker said Its the best grinding after heat treat steel we have ever seen. International Mold Steel stocks ground punch stock from 0.256 dia. to 1.10" dia. Request it from your punch manufacturer.

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  Bending and Flattening Die
Posted by: britt - 10-24-2014, 04:50 PM - Forum: Comments and Testimonials about DC53 - No Replies

May 28, 2003 - Joseph Klinck, President of Custom Metal Products Corp, wrote to us about a DC-53 Bending and Flattening Die:

quoteBig Grinate: May 28, 2003
To: International Mold Steel
Subject: DC-53 Bending and Flattening Die
From: Custom Metal Products Corp.

Thank you for your help in improving our tool life. We have been looking for a way to improve tool life for our flattening and bending operation.

Our current dies made of D-2 showed dramatic wear (which does not help accuracy) and usually did not last more than 5,000 pieces. This caused us to make lots of adjustments during the production runs and, of course, frequent die replacements.

The process takes place on an 800 ton knuckle joint press. The parts are front end suspension brackets made of " diameter SAE 1541 material. The parts are flattened to " thickness and also receive a 30 degree bend over a 1" length.

Your representative suggested that we utilize DC-53 material for improved die life. International Mold Steel sent us a sample piece of material. We made the die in our tool room and the toolmakers commented that 'this really machines well". Your representative told us that it should machine 30% to 40% better than other steels --- we agree that it does.

We then had the part heat treated, ground and polished. We tried the die and did not get any improvement. We talked to your representative and asked how the tool was heat treated. We soon discovered that the heat treat instructions were not followed as recommended. We reworked the die, sent it back for heat treatment and this time made sure that the heat treat instructions were properly followed.

Of course, everyone now was curious and skeptical. The die was placed back into the press and we processed 10,000 pieces (all good) before the die failed.

With this result, we are replacing our dies with DC-53 material. It costs 50 to 60 (cents) more per pound, but it machines better and a $300.00 to $500.00 tool lasts twice as long and improves quality. We will certainly explore the use of this material in other applications.

Thank you for your firm's help.

Joseph P. Klinck, President

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  Vacuum Tempering
Posted by: spiff - 10-24-2014, 03:56 PM - Forum: Heat Treating - Replies (1)

Im having trouble hitting consistent hardness when vacuum tempering DC53. Any ideas?

Danke

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  Embossing Dies
Posted by: spiff - 10-24-2014, 03:55 PM - Forum: Applications - Replies (1)

Does this stuff work on embossing dies? I'm getting premature wear on D2 at 60-62. I really don't want to go through the hassle of using a powder.

Danke

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  Catalog Punches
Posted by: spiff - 10-24-2014, 03:54 PM - Forum: Applications - Replies (1)

Anybody making standard catalog punches out of DC53?

Danke

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  Hardness and Wear Question
Posted by: rollman - 10-24-2014, 03:53 PM - Forum: General Properties - Replies (1)

DC53 has lower carbon and chrome content than D2, doesn't that mean d2 would be, harder and wear better?

Thx

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  Nitriding DC53
Posted by: lorenepler - 10-24-2014, 03:47 PM - Forum: Heat Treating - Replies (2)

Any recommendations on nitriding DC53 for Thread Roll Dies??

Loren Epler

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  Pilger Rolls
Posted by: rollman - 10-24-2014, 03:39 PM - Forum: Applications - Replies (1)

Anyone tried DC53 on Pilger rolls? Any luck?

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