High Quality Low Price for Cement Plant and Steel Mill High
Hardness Hot Rolling Steel Ball
Description:
Size: 20-150mm
Origin: Shandong, China
Heating the customed steel until the temperature reaches 1100C(
土50C) in the way of hot rolling and forging,the rollig forging
machinery will put pressure on the metal blank and producing a
grinding ball with certain mechanical property, shape and size .
This is our processing methods of the grinding balls.
| Material | Chemical Elements | |
| C | Si | Mn | P/S | Cr | Hardness (HRC) |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 | 60-65 |
| 60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 | 58-63 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 | 55-58 |
| B3 | 0.58-0.66 | 1.3-1.9 | 0.65-0.8 | <0.025 | 0.7-0.9
| 56-65 |
| B6 | 0.97-1.03 | 0.2-0.3 | 1.0-1.1 | <0.025 | 0.5-0.6 | 61-65 |
Hardness
Material
|
25mm-50mm HRC |
60mm-90mm HRC |
100mm-125mm HRC
| 130-150mm HRC |
| Surface | Core | Surface | Core | Surface | Core | Surface | Core |
| C45 | 55-58 | 55-58 | 50-68 | 23-30 | 48-52 | 22-26 | 48-52 | 22-25 |
| 60Mn | 58-62 | 55-60 | 58-62 | 30-36 | 57-61 | 26-32 | 57-61 | 26-30 |
| B2 | 60-64 | 58-64 | 57-64 | 45-60 | 55-60 | 38-48 | 55-60 | 38-42 |
| B3 | 62-65 | 60-65 | 60-65 | 58-65 | 56-65 | 50-62 | 56-63 | 50-55 |
| B6 | 62-65 | 60-65 | 61-65 | 58-65 | 60-63 | 50-62 | 61-63 | 50-55 |
Raw Material:
Strict quality control of steel material from LAIWU STEEL FACTORY
GROUP, the Biggest
factory group in North of China.
Prodcution Line:
1.Traditional Hammer Forging:
Raw
material-Cutting-Heating-Forging-Quenching-Tempering-Testing-Packing
2. Hot Rolling
Testing:
Quality control for each production shift (4hours/Shift);
Hardness, chemical elements and impact testing after production for
each production shift;
SGS –third party testing before each delivery
Packing:
Container bags(Net weight:1000KGS) or Steel drums(850-900KGS) or in
clients' requirements
Certificate:
ISO9001-2008, SGS
Company Profile:
Our company is located in Zhangqiu ,Jinan City,Shandong Province,
which is provided with superior geographical position and
convenient transportation. Our company covers an area of 15,000
square meters,with two million registered capital .And there are
150 existing staff,including 21 technicians.
Our main products: forging grinding steel balls,and
(high,low,medium) chrome alloyed casting iron balls,casting
cylpebs,grinding rods.
Application of our products: various mines,cement plants,power
stations and chemical industries.
Priorities of our products: High hardness, good wear resistance,
breakage rate lower than 1%.
Question and Answer
1.Are you a manufacturer or a trader?
Manufacturer, some time we help our clients to purchase related
products as a trader.
2.What’s the MOQ?
The MOQ varies for different products. Please contact us to
understand.
3.how can we guarantee quality?
Always a pre-production sample before mass production;Always final
Inspection before shipment;
4.Can you provide samples for free?
Yes, we can supply samples for free, and the freight will be
undertaken by clients.
5.May I visit your factory?
Yes, we will arrange professional reception personnel to patiently
explain to you.
6.Why choose us over other suppliers? We have a large scale, strong strength, and rich experience,
professional technology, and perfect customer service, and have
obtained various certifications such as CE/ISO9001/ISO45001.
