Grinding steel balls φ20-150 – Shanghai Rainbow Industrial Co.,Lltd

Technical characteristics

BrandRainbow
Country of manufactureChina
MaterialSteel
Отсутствие поломок
Хорошая ударопрочность Низкий расход

Description

一、 Product Profile

Ball mill balls are generally divided into four categories according to different manufacturing processes. Four types of steel balls have their advantages and disadvantages. According to the user's use habits, our company can provide relevant consultation services free of charge. The company customizes steel balls for ball mills according to customers'needs. The common materials and models are in reasonable stock and can be shipped two trucks at any time for emergencies.

1、Rainbow - Forging and hot rolling steel balls

Material No	Balls model（mm）	Chemical composition						Mechanical properties
Material No	Balls model（mm）	C	MN	CR	S	P	SI	Surface hardness（HRC）	impact toughness	Crusher rate
LB - 1	φ20 - 150	0. 6 - 0. 8	0. 8 - 1. 2	≤0. 25	≤0. 035	≤0. 035	0. 17 - 0. 37	58 - 65	＞12 j/cm²	＜0. 5%
LB - 2	φ30 - 100	0. 7 - 0. 9	0. 7 - 0. 8	0. 3 - 0. 9	≤0. 025	≤0. 013	0. 17 - 0. 37	55 - 65	＞12 j/cm²	＜0. 8%
LB - 3	φ90 - 140	0. 6 - 0. 8	0. 6 - 0. 8	0. 7 - 0. 9	≤0. 03	≤0. 03	1. 6 - 1. 9	58 - 65	＞12 j/cm²	＜0. 8%
LB - 4	φ60 - 150	0. 9 - 1. 2	0. 2 - 0. 4	1. 2 - 1. 8	≤0. 025	≤0. 027	0. 15 - 0. 35	55 - 60	＞10 j/cm²	＜1%
LB - 5	φ20 - 150	0. 4 - 0. 6	0. 5 - 0. 8	0. 9 - 1. 2	≤0. 035	≤0. 035	0. 17 - 0. 37	55 - 65	＞12 j/cm²	＜0. 5%
LB - 6	φ80 - 150	0. 7 - 0. 9	0. 8 - 1. 2	0. 7 - 1. 2	≤0. 03	≤0. 03	0. 1 - 0. 4	58 - 65	＞10 j/cm²	＜1%
LB - 7	φ80 - 150	0. 9 - 1. 1	0. 9 - 1. 2	0. 4 - 0. 8	≤0. 03	≤0. 03	0. 2 - 0. 3	58 - 65	＞10 j/cm²	＜1%
LB18	φ30 - 125	0. 7 - 0. 9	0. 7 - 1. 2	≤0. 25	≤0. 035	≤0. 035	0. 17 - 0. 37	55 - 65	＞10 j/cm²	＜1%
LB20	φ50 - 130	0. 8 - 1. 1	0. 7 - 0. 9	≤0. 25	≤0. 035	≤0. 035	0. 17 - 0. 37	55 - 65	＞10 j/cm²	＜1%
Note	Support OEM or customize special ingredient steel balls according to customer requirements. The hardness of small straight D steel ball is higher than that of large diameter steel ball. If the hardness range is required, it can be adjusted by heat treatment process.

2、Casting grinding ball

Ball No	Chemical composition									Casting ball specification mm	Casting specification mm
Ball No	c	Si	Mn	Cr	Mo	Cu	Ni	P	S	Casting ball specification mm	Casting specification mm
LBCr26	2. 0 - 3. 5	≤1. 2	0. 3 - 1. 5	23 - 30	0 - 3. 0	0 - 1. 2	0 - 1. 5	≤0. 10	≤0. 06	￠17 - ￠150	￠14 * 14 - - ￠50 * 60
LBCr20	2. 0 - 3. 5	≤1. 2	0. 3 - 1. 5	18 - 23	0 - 3. 0	0 - 1. 2	0 - 1. 5	≤0. 10	≤0. 06
LBCr15	2. 0 - 3. 5	≤1. 2	0. 3 - 1. 5	14 - 18	0 - 3. 0	0 - 1. 2	0 - 1. 5	≤0. 10	≤0. 06
LBCr10	2. 0 - 3. 5	≤1. 2	0. 3 - 1. 5	10 - 14	0 - 3. 0	0 - 1. 2	0 - 1. 5	≤0. 10	≤0. 06
LBCr8	2. 0 - 3. 5	≤1. 2	0. 3 - 1. 5	7 - 9	0 - 3. 0	0 - 1. 2	0 - 1. 5	≤0. 10	≤0. 06
LBCr5	2. 0 - 3. 5	≤1. 2	0. 3 - 1. 5	5 - 8	0 - 3. 0	0 - 1. 2	0 - 1. 5	≤0. 10	≤0. 06
LBCr2	2. 0 - 3. 5	≤1. 2	0. 3 - 1. 5	1 - 3	0 - 3. 0	0 - 1. 2	0 - 1. 5	≤0. 10	≤0. 06
Note	Support OEM or customize special ingredient steel balls according to customer requirements. The hardness of small straight D steel ball is higher than that of large diameter steel ball. If the hardness range is required, it can be adjusted by heat treatment process.

Our company has been manufacturing and exporting ball mill steel balls for many years. We have rich experience in production, inspection, transportation and export. We are willing to base our long - term cooperation on high - quality products, timely shipment and delivery, competitive prices and satisfactory services. Our goal is to be a professional supplier of high - quality wear - resistant consumables for mines in China.

Contact the seller

Grinding steel balls φ20-150