Grinding Steel Ball (DIA 20-150mm)

• Material: Steel and Iron
• Content: 60% ~ 65%
• Usage: Grind
• Processing Type: Casting and Forging
• Size: Size 20mm-150mm
• Color: Metallic
• Model NO.: 20-150mm
• Customized: Non-Customized
• Breakage Rate: 1% Max
• Surface Hardness: More Than HRC 60
• Transport Package: Steel Drum / Container Bag
• Specification: ISO9001: 2008
• Trademark: ZW
• Origin: Zhangqiu, Shandong, China
• HS Code: 73261100
• Production Capacity: 50000 Tons

Product Description

Shandong Grinding Steel ball have the advantages of

1. high hardness
2.good wear resistance
3.impact strength:12-35J/CM2
4.Breakage Rate:0.5-1%
5.Standard: YB/T091-2005
6.Certification:SGS,ISO9001:2008, ISO14001:2004, GB/T28001-2001(OHSAS18000)

Products List
1> Forged Grinding Steel Ball
d.Chemcial Elements and Hardness

Material	Chemical elements						Hardness
	C	Si	Mn	S	P	Cr	HRC
Special Cr1	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.08	>20	58-64
Special Cr2	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.08	>15	58-64
High Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.08	>10	58-62
Medium Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.08	≥5	45-48
Low Cr	2.2-3.4	≤1.2	0.5-1.5	≤0.06	≤0.08	1.0-1.5	42-46

 

Physical Property & Microstructure
Name	HRC	Ak(J/cm 2 )	Microstructure	Times of Falling Balls
Low Cr Balls	≥45	≥2.5	P+C	≥10000
Medium Cr Balls	≥48	≥3.0	P+C	≤Φ80	≥15000
				≥Φ80	≥10000
High Cr Balls	≥58	≥4	M+C+A	≤Φ80	≥15000
				≥Φ80	≥10000
M-Martensite     P-Pearliet     C-Carbide    A-Austenite

     Size and Weight

Size(mm)	Weight(kg/pc)	Quantity(pc/t)		Size(mm)	Weight(kg/pc)	Quantity(pc/t)
Φ30	0.11	9091		Φ90	2.90	345
Φ40	0.25	3891		Φ100	4.00	250
Φ50	0.50	2000		Φ110	5.30	188
Φ60	0.86	1153		Φ120	6.80	147
Φ70	1.37	729		Φ130	7.70	129
Φ80	2.05	487		Φ140	8.74	114

Ton bags (1000Kg Per Bag)
Iron drums (850~920Kg Per Drum
SGS test report will be provided according to clients's requirement.

Shipping and delivery
Port of loading:Qingdao Port,China
Delivery time : Normally 2-3 weeks after down payment received.
Partial shippment allowed
FAQ
Payment terms : T/T (30% DP,balance against copy of B/L.;  L/C
Samples :  Free samples are provided for test before trial order
MOQ : 1 Ton
For more information about our products ,Pls feel free to contact us