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H11 1.2343 SKD62

Id-dar>prodotti>Azzar tal-Għodda tax-Xogħol sħun>H11 1.2343 SKD62

Hot Work Tool Steels Mat.No. 1.2343, DIN X38CrMoV5-1, AISI H11 flat bar

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speċifikazzjonijiet

Nomina bi Standards

Mat. Nru.DINENAISI
1.2343X38CrMoV5-1X27CrMoV51H11

Kompożizzjoni Kimika (f'piż %)

CSiMnCrMoNiVWoħrajn
0.371.00.385.151.30-0.40--

deskrizzjoni:

H11 is one of  the Hot Work, Chromium type tool steels. It is relatively low in carbon content and has good toughness and deep hardens by air quench from heat treatment. Good combination of toughness, hardness and wear resistance in hot. Resistance to softening and to cracking.

Applikazzjonijiet:

H11 is often used for highly stressed structural parts such as aircraft landing gear. It resists softening at temperatures up to 537°C while retaining good ductility and toughness even at strength levels on the order of 275 ksi. Tools for hot forging of light metal. Pressure die casting tools. Dies, mandrels, punchers, knives, moulds. This grade can be water cooled. 

Proprjetajiet fiżiċi (valuri medji) f'temperatura ambjentali

Modulus of elasticity [103 x N/mm2]: 215, 176 (at 500°C), 165 (at 600°C) 

Density [g/cm3]: 7.80, 7.64 (at 500°C), 7.60 (at 600°C)

Thermal conductivity [W/m.K]: 25, 28.5 (at 500°C), 29.3 (at 600°C) 

Electric resistivity [Ohm mm2/m]: 0.52, 0.86 (at 500°C), 0.96 (at 600°C)

Specific heat capacity[J/g.K]: 0.46, 0.55 (at 500°C), 0.59 (at 600°C)

Koeffiċjent ta 'Espansjoni Termali Lineari 10ˉ6 °C-1

20-100 ° C20-200 ° C20-300 ° C20-400 ° C20-500°C20-600°C20-700°C20-700°C
9.812.513.013.213.513.713.814.0

Ittemprar artab

Saħħan għal 800-840 ° C, kessaħ bil-mod fil-forn. Dan se jipproduċi ebusija Brinell massima ta '229.

Ttaffi l-Istress

It-tnaqqis tal-istress biex jitneħħew it-tensjonijiet tal-magni għandhom jitwettqu billi jissaħħan sa 650 ° C, iżżomm għal siegħa fis-sħana, segwit minn tkessiħ tal-arja. Din l-operazzjoni titwettaq biex tnaqqas id-distorsjoni waqt it-trattament bis-sħana.

Twebbis

Harden from a temperature of 1000-1040°C followed by air, oil quenching or warm bath quenching 500-550°C. Hardness after quenching is 50-56 HRC.

Tħawwir

Temperatura tat-tempra: Ara d-dejta hawn taħt.

Temperatura tat-Ttemprar (°C) vs. Ebusija (HRC)

100 ° C200 ° C300 ° C400 ° C500 ° C550 ° C600 ° C650 ° C700 ° C
535252525452483830
18451790179017901910179015701200970


Funderija

Temperatura tal-iffurmar sħun: 1100-900°C. 

Xogħol Biesaħ

Cold working may readily be accomplished on H11 by conventional methods.

Makkinabbilità

Machinability is reasonably good, approximately 75% that of the W group water hardening low alloy tool steels.

Reżistenza għall-korrużjoni 

This is a steel alloy and not corrosion resistant. It will rust unless protected.

Welding 

H11 is a readily weldable alloy by conventional methods.

Forms manufactured: Please see the  Dimensional Sales Program. 


Dimensjoni (mm)ProċessKondizzjoni tal-kunsinna
Bar tondDIA1.0 - 30Tpinġija bil-kesħa / Tħin mingħajr ċentruBright & Ittemprat
DIA20 - 80TqaxxirBright & Ittemprat
DIA 13-180Irrumblat bis-sħanaWiċċ iswed & Anneal
DIA 70 - 400Irrumblat bis-sħanaWiċċ iswed & Anneal
Bar ĊattT 3.0-20 XW 20-100Irrumblat bis-sħanaWiċċ iswed & Anneal
BlokkT 20-200 X 300-800Hot Rolled & Hot FalsifikatiWiċċ iswed / Machine & Anneal
Virga tal-wajerDIA 5.5 - 13Irrumblat bis-sħanaWiċċ iswed & Anneal
LożorT1.0 - 2.5Irromblati kesħinWiċċ iswed & Anneal
T 2.5 - 8.0Irrumblat bis-sħanaWiċċ iswed & Anneal



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