forged steel grinding ball 30cm 50cm forged grinding steel ball
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- Supplier: Shandong Yafeite Metal Products Co. Ltd.
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Product Overview
Description
Forged Grinding Steel Balls
Forged steel ball is a newly emerged technology in recent years. The process principle is that two screwedroll molds rotate in the same direction and drive the steel rod to rotate in the opposite direction and move forward to produce the balls of desired sizes under the force of the mold.
1.High production efficiency,Great yield, high degree automatization.
2.Stable quality, uniform hardness, good hard enability, micro structure dense, high impact toughness, low breakage rate.
3.Advanced heat treatment process, low labor intensity, no pollution, lower production costs.
Specification
Model & Chemical Composition of Forged Steel Ball:
Chemical Composition(%) | |||||||||||
C | Si | Mn | Cr | S | P | ||||||
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | 0.25max | 0.035max | 0.035max | |||||
50Mn | 0.48-0.56 | 0.17-0.37 | 0.6-1.0 | 0.25max | 0.035max | 0.035max | |||||
60Mn | 0.57-0.65 | 0.17-0.37 | 0.7-1.0 | 0.25max | 0.035max | 0.035max | |||||
65Mn | 0.62-0.70 | 0.17-0.37 | 0.9-1.0 | 0.4-0.7 | 0.035max | 0.035max | |||||
B2 | 0.70-0.80 | 0.17-0.37 | 0.7-0.8 | 0.5-0.6 | 0.035max | 0.035max | |||||
B3 | 0.58-0.66 | 1.60-1.90 | 0.65-0.8 | 0.7-0.9 | 0.035max | 0.035max | |||||
Physical Property of Forged Balls:
Model | Impact Test AK.J/c㎡ | Dropping Test （3.5m） | Hardness (HRC) | ||||||||||
25-50 mm diameter | 60-90 mm diameter | 100-130 mm diameter | |||||||||||
surface | core | surface | core | surface | core | ||||||||
45# | ≥12 | ≥15000 | ≥55 | ≥38 | ≥54 | ≥35 | ≥52 | ≥30 | |||||
50Mn | ≥12 | ≥15000 | ≥56 | ≥38 | ≥56 | ≥36 | ≥55 | ≥32 | |||||
60Mn | ≥12 | ≥15000 | ≥58 | ≥45 | ≥60 | ≥38 | ≥55 | ≥35 | |||||
65Mn | ≥12 | ≥15000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥58 | ≥50 | |||||
B2 | ≥12 | ≥15000 | ≥60 | ≥60 | ≥60 | ≥54 | ≥58 | ≥50 | |||||
B3 | ≥12 | ≥15000 | ≥60 | ≥60 | ≥60 | ≥58 | ≥60 | ≥55 | |||||
Weight and Microstructure of Forged Balls
Nominal Diameter (mm) | Diametrical Tolerance (mm) | Approx. Weight per Ball(g) | Average Number Per MT | Microst ructure |
25 | +1.5/-0.5 | 64 | 15625 | BATTEN M+LITTLE B+ LITTLE C(M-Martensite, B-Bainitic,C-Carbide) |
30 | +1.5/-0.5 | 110 | 9090 | |
40 | +2.0/-1.0 | 260 | 3846 | |
50 | +2.0/-1.0 | 510 | 1961 | |
60 | +3.0/-2.0 | 890 | 1124 | |
70 | +3.0/-2.0 | 1400 | 714 | |
80 | +3.0/-2.0 | 2100 | 476 | |
90 | +3.0/-2.0 | 3000 | 333 | |
100 | +4.0/-3.0 | 4100 | 244 | |
110 | +4.0/-3.0 | 5470 | 283 | |
120 | +4.0/-3.0 | 7100 | 141 | |
130 | +4.0/-3.0 | 9020 | 111 |
Product Features
Product name | Forging Rolling Steel Ball | ||||||
Surface | Smooth | ||||||
Size | 20-130 Mm | ||||||
Application | Mining & cement factory | ||||||
Hardness | HRC55+ | ||||||
Package | Ton Bag | ||||||
Grade | B2,B3,B4,B6 | ||||||
MOQ | 1 Ton | ||||||
Certifications | ISO | ||||||
Feature | High Hardness | ||||||
PHOTOS FOR PRODUCTION PROCESS
Packing & Delivery
WHY CHOOSE US?
Company:
Specializing in steel shot, steel grit, and other metal abrasives and steel ball products for 19 years. The products are exported to more than 50 countries and regions worldwide, with extensive experience in foreign trade accumulated over nearly a decade.
After-Sales:
a. Strict quality control has resulted in no returns or complaints from customers due to quality issues in large-scale
transactions over the years.
b. Transportation control is equally strict. During the transportation of products, our company actively communicates and
coordinates with freight forwarders to ensure accurate and safe delivery for each order. In case of issues, our company will jointly provide compensation with the freight forwarder, firmly preventing situations where customer claims are fruitless due to delays and procrastination.
c. In terms of cargo transportation, we additionally employ moisture-proof treatment and air cushion reinforcement inside
containers to minimize product loss during transportation.
Yafit always adheres to the customer-centric business philosophy and remains true to the original aspiration of serving customers to meet their needs. A comprehensive service system and 19 years of corporate integrity and reputation have led to long-term business relationships with numerous global enterprises, fostering close relationships.
Specializing in steel shot, steel grit, and other metal abrasives and steel ball products for 19 years. The products are exported to more than 50 countries and regions worldwide, with extensive experience in foreign trade accumulated over nearly a decade.
After-Sales:
a. Strict quality control has resulted in no returns or complaints from customers due to quality issues in large-scale
transactions over the years.
b. Transportation control is equally strict. During the transportation of products, our company actively communicates and
coordinates with freight forwarders to ensure accurate and safe delivery for each order. In case of issues, our company will jointly provide compensation with the freight forwarder, firmly preventing situations where customer claims are fruitless due to delays and procrastination.
c. In terms of cargo transportation, we additionally employ moisture-proof treatment and air cushion reinforcement inside
containers to minimize product loss during transportation.
Yafit always adheres to the customer-centric business philosophy and remains true to the original aspiration of serving customers to meet their needs. A comprehensive service system and 19 years of corporate integrity and reputation have led to long-term business relationships with numerous global enterprises, fostering close relationships.
Company Profile
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