EK-4
by EK-Metals
Specification
| Alloy | Mecanical properties | Electrical conductivity |
Temperature limit on heat |
Equivalent standard |
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|---|---|---|---|---|---|---|---|
| Tensile strength | Elongation | Hardness | |||||
| N/m2 | % | HRB | L.A.C.S.% at20℃ | ℃ | |||
| EK-2 | Drown bar | 450‐550 | 15-30 | 78-87 | 78-88 | 480-520 | JIS Z 3234-2 ISO5182-1978-2-1 RWMA Class 2 |
| Forged Products | 390-490 | 15-30 | 72-82 | ||||
| Characteristics & Applications |
It is a chromium copper alloy excellent in electrical conductivity and heat resistance and widely used as an electrode material for resistance welding. |
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| EK-3 | Drown bar | 510‐640 | 15-30 | 85-92 | 50-70 | 490-530 | RWMA Class B10 |
| Forged Products | 470-590 | 15-30 | 78-90 | ||||
| Characteristics & Applications |
Chromium copper and titanium alloy are superior in mechanical strength, Suitable for electrode materials requiring high strength and durability such as high pressure welding. |
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| EK-4 | Forged Products | 690‐880 | 10-20 | 95-102 | 15-30 | 490-530 | RWMA Class B12 |
| Characteristics & Applications |
It is alloyed with chromium copper with high concentration of titanium, it has excellent mechanical strength and abrasion resistance, high tensile strength and high durability, it is also used as a substitute for beryllium copper 25 alloy. |
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| CZ-5 | Drown bar | 490‐600 | 15-25 | 80-90 | 70-85 | 500-550 | JIS Z 3234-2 ISO5182-1978A-2-2 RWMA Class 2 |
| Forged Products | 440-540 | 15-25 | 75-88 | ||||
| Characteristics & Applications |
Having a high copper-chromium-zirconium content, it's high-temperature strength is best suited for seam welding electorode in particular, the surface treated steel plates resistant welding is being used. | ||||||
| SCZ-7 | Drown bar | 500‐650 | 10-20 | 82-92 | 70-80 | 500-550 | JIS Z 3234-2 ISO5182-1978A-2-2 RWMA Class 2 |
| Characteristics & Applications |
High alloy strength with high concentration of zirconium mixed with chromium copper Excellent high temperature strength and abrasion resistance. It is suitable for contact tips of arm welding with higher grade than CZ-5. |
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| EKB-50 | Drown bar | 730‐880 | 9-25 | 93-105 | 45-60 | 480-520 | JIS Z 3234-3 ISO5182-1978A-3-1 RWMA Class 3 |
| Forged Products | 690-830 | 9-25 | 93-105 | ||||
| Characteristics & Applications |
Beryllium copper alloy has high strength in high temperature range, excellent thermal conductivity and durability, excellent in stretchability and cutting processability. It is optimum as an electrode material to be used under harsh conditions. |
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| EKB-55 | Forged Products | 720-840 | 5-20 | 95-105 | 48-60 | 480-520 | JIS Z 3234-3 ISO5182-1978-3-1 RWMA Class 3 |
| Characteristics & Applications |
Having special elements added to the beryllium-copper alloy with a fitting heat treatment,it contains high strengh, themal conductivity and durability that excel in the high temperature range. It is higher in quality than EKB-50. |
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| EKB-25 | Drown bar | 1100-1500 | 2-8 | HRC 36-45 |
20-30 | 315-350 | JIS H 3270 C1720 JIS Z 3234-4 |
| Forged Products | 970 (Min) | 2(Min) | HRC 33 (Min) | ||||
| Characteristics & Applications |
EKB-25 becomes to compare with special steels in high strength by means of the suitable heat treament and it has, besides, the outstanding properties relating to those of specific spring character, electric conductivity resistance and wear resistance. | ||||||
| EK-NS50 | Forged Products | 600-800 | 15-25 | 90-105 | 40-50 | 500-550 | |
| Characteristics & Applications |
With it's copper-nickel-silicon-chromium alloy, and eco-friendly (beryllium non-containing) attributes, it is best used as electrode material for extreme conditions. | ||||||
Catalogs
No catalog available for this product