H P Size and Tolerance |
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Diameter (mm) |
Length (mm) |
||||||
N ominal diameter |
Actual diameter |
N ominal length |
Tolerance |
Short feet length |
|||
mm |
inch |
max |
min |
mm |
mm |
max |
min |
200 |
8 |
209 |
203 |
1600/ 1800/ 2000/2200/ 2400/2700 |
± 100 |
-100
|
-275
|
250 |
10 |
258 |
252 |
||||
300 |
12 |
307 |
302 |
||||
350 |
14 |
357 |
352 |
||||
400 |
16 |
409 |
403 |
||||
450 |
18 |
460 |
454 |
||||
500 |
20 |
511 |
505 |
||||
550 |
22 |
556 |
553 |
||||
600 |
24 |
613 |
607 |
Physical and Chemical Index of HP |
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Items |
unit |
Diameter: 250 -600mm |
|||
|
|
Standard |
Test data |
||
|
|
Electrode |
Nipple |
Electrode |
Nipple |
Electrical resistance |
μΩm |
6.5 -7.5 |
6. 0 |
6. 0 -7.0 |
5.5 |
Flexure strength |
Mpa |
9.8-10.5 |
14 |
12-15 |
15-18 |
Modulus of elasticity |
GPa |
12 |
16 |
12 |
14 |
Ash content |
% |
0. 2 |
0. 2 |
0. 2 |
0. 2 |
Apparent density |
g/cm3 |
1.6 |
1.7 |
1.68-1.73 |
1.75 |
Factor of expansion(100-600 ºC ) |
x10-6/ ºC |
2.4 |
2.2 |
2.2 |
2.0 |
1. Electric arc steelmaking furnace.
2. Ore-heating furnaces.
3. Resistance furnaces.
1. How you can control your quality?
For each production processing, we have complete QC system for the chemical composition
and Physical properties. After production, all the goods will be tested, and the quality certificate
will be shipped along with goods.
2. What's your delivery time?
It usually needs about 20days- 45 days after receiving the deposit.
3. Do you provide free samples?
Yes, we can provide a free sample for testing, If we have sample in stock,
The quantity based on the material type, The buyer should bear all the shipping costs.
4. What's your payment terms?
We can accept 30% deposit, 70% balance before shipment for ordrs over $ 2000.
5. Can we visit your Company?
Yes, certainly. You are very welcome to China and we will be honored to have a customer and friend.
6. What standards do we have?
Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc.
The third party testing is all available for us.