Our company is enterprising manufacture,supply and export of graphite products.

Zhengnai Industry co., LTD

RP|HP|SHP|UHP|Graphite Electrode Suplier

+86 19903830057zhengnaishiye@gmail.com

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Validity of Quotation

Release time:2019-11-04 From: Zhengnai Industry in China

The validity period of quotation of our company's products is generally 30 days.However, it can also be extended or shortened according to the needs of customers.




We are passionate and professional about our work

What makes us different is that we are passionate and professional about our products and services and support our quality.Because of our professional attitude, we can give you professional answers and effectively solve your problems.

To serve our customers wholeheartedly
We have good cooperation with shipping companies, agents ,local customs and port authority. Make sure we deliver on time.No matter which link you have questions, we will provide service for you.

We welcome your Suggestions at any time
If there is any problem in the process of our cooperation, please contact us immediately, and we will try our best to solve it for you.

We have a better price for the same product
We can provide you a better price, and what you will get from us is our best effort in service and the hospitality that you are willing to become our Friend.

Product quality is our guarantee
Our products can pass all kinds of tests, and the quality is also our selling point. So you can rest assured that the purchase. If there is anything unclear, our professional staff will answer it for you

Size of Graphite electrode

Item Unit UHP
300-500mm 550-600mm 700-800mm
Electric resistivity Electrode μΩm 4.6-6.2 4.5-6.0 4.5-5.8
Nipple 3.5-5.0 3.4-4.5 3.3-4.3
Bending strength Electrode Mpa ≥10.5 ≥10.0 ≥10.0
Nipple ≥20.0 ≥22.0 ≥23.0
Elastic modulus Electrode Gpa ≤14.0 ≤14.0 ≤14.0
Nipple ≤20.0 ≤22.0 ≤22.0
Bulk density Electrode g/cm3 1.66-1.73 1.68-1.74
Nipple 1.75-1.82 1.78-1.85
CTE(100-600℃) Electrode 10-6/℃ 1.20-1.50 1.10-1.50
Nipple 1.10-1.40 1.00-1.30
Ash % ≤0.3


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