wolfram kobber klasse
Generel brug og beskrivelse af gruppe B
| RWMA CLASS | RWMA NO. | RWMA GENERAL USE | RWMA DESCRIPTION |
| 10 wolfram kobber klasse | C74450 | Flash and butt welding electrodes where good electrical and thermal conductivity is necessary and where a degree of malleability is desired. |
A powder metallurgical combination of 45% copper and 55% of the refractory metal tungsten. Not a true alloy. This combination produces dense, hard metals of superior wear resistance and strength at elevated temperatures. In addition, they possess good thermal and electrical conductivity. |
| 11 wolfram kobber klasse | C74400 | Projection welding electrodes, flash and butt welding electrodes, light upsetting and seam welding bushings. Harder than Class 10 and used where moderate pressure is required. This material can also be used for spot welding low conductivity steels such as stainless. |
A powder metallurgical combination of 25% copper and 75% of the refractory metal tungsten. Not a true alloy. This combination produces dense, hard metals of superior wear resistance and strength at elevated temperatures. In addition, They possess good thermal and electrical conductivity. |
| 12 wolfram kobber klasse | C74350 | Heavy duty projection welding electrodes, electro-forming and electo-forging electrodes facings for upsetting of studs and rivets, cross wire welding of large diameter wire and rod. |
A powder metallurgical combination of 20% copper and 80% of the refractory metal tungsten. Not a true alloy. This combination produces dense, hard metals of superior wear resistance and strength at elevated temperatures. In addition, they possess good thermal and electrical conductivity. |
Kemisk sammensætning Gruppe B ildfaste metaller
| RWMA CLASS | CDA | DESCRIPTION | CU (incl. Ag) | Fe | W | Cd | Ni | Co | Cr | Si | Be | Pb | Zr | Al |
| 10 | C74450 | copper tungsten | 43 - 47 | -- | rem. | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 11 | C74400 | copper tungsten (ASTM B702 C1 D) | 23 - 27 | -- | rem. | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 12 | C74350 | copper tungsten (ASTM B702 C1 E) | 18 - 22 | -- | rem. | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Minimum Fysiske Egenskaber for Tungsten Kobber Gruppe B
| GROUP B REFRACTORY METALS | HARDNESS ROCKWELL (HRB) |
CONDUCTIVITY % I.A.C.S. |
ULTIMATE COMPRESSIVE STRENGTH ksi |
|
| CLASS 10 | stang, bar, indsatser | 72 HRB | 45% | 135 |
| CLASS 11 | stang, bar, indsatser | 94 HRB | 40% | 160 |
| CLASS 12 | stang, bar, indsatser | 98 HRB | 35% | 170 |
Enhver tilbagemelding eller forespørgsel af Tungsten kobber legering Produkter er du velkommen til at kontakte os:
Email: sales@chinatungsten.com
Tel.: +86 592 512 9696 ; +86 592 512 9595
Fax.: +86 592 512 9797
More Info：
Tungsten Copper
Tungsten Copper Alloy