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Castings And Forgings Steel Ball HRC58-66 For Mining Machine

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Castings And Forgings Steel Ball HRC58-66 For Mining Machine

Name: Castings And Forgings Steel Ball HRC5866 For Mining Machine
Brand: ZTIC
Price: 1 USD

Cheap Castings And Forgings Steel Ball HRC58-66 For Mining Machine for sale

Brand Name : ZTIC

Model Number : Castings And Forgings

Certification : ISO/CE

Place of Origin : Henan，China

MOQ : 5t

Price : negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram, MoneyGram

Supply Ability : 300 sets per month

Delivery Time : 30 days

Packaging Details : Standard shipping packaging

Name : Grinding Steel Ball

Diameter : D90MM

Usage : In bearing, hardware, electronics, iron art, mechanical equipment

Composition : C, Si, Mn, Cr, P, S, Ni, Cu

Technology : Forging

Material : B3

Hardness : HRC60-62

Classification : Castings and forgings

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Castings And Forgings Steel Ball With HRC58-66 For Mining Machine

1. Preparation method of grinding steel ball:
Low chromium steel ball is the most important grinding body in ball mill, which is called grinding steel ball abroad. Low chromium steel balls are produced by medium frequency electric furnace melting, metal mold or sand casting, so domestic wear-resistant material manufacturers often called low chromium alloy casting balls.
Castings And Forgings

2. Technical standard of grinding steel ball:
(1) Hardness test is the most important data for whether the grinding steel ball is wear-resistant, which can be tested by Rockwell hardness tester. Practice shows that the service life of steel balls with HRC60 and above is more than twice of HRC40-50.
(2) Low chromium steel ball refers to chromium content ≤3.0%, carbon content between 1.80%-3.30% of the steel ball is low chromium ball, the national standard requirements of low chromium ball hardness (HRC) must be ≥45 degrees above, if the use of low chromium ball quality recommendations must use heat treatment tempering or vibration aging treatment. If the test hardness (HRC) is below 40 degrees, the low chromium ball hardness is insufficient or overburning.
(3) Application field:
Grinding steel balls are widely used in metallurgical mines, cement building materials, thermal power generation, flue gas desulfurization, aerated concrete, magnetic materials, chemical industry, coal water slurry, pellets, slag, ultrafine powder, fly ash, calcium carbonate, quartz sand and other industries.
Castings And Forgings

3. Specification of grinding steel ball:

Inch	Size	T weight(Kg)	Actual Diameter Range (mm)	Material	Surface hardness (HRC)+/-0.5 HRC	Core hardness (HRC)+/-0.5 HRC	Volume Hardness (HRC)+/-0.5 HRC
3/4 ”	D20MM	0.039+/-0.005	19.3~22.3	B2	63-66	62-64	63-66
1 ”	D25MM	0.075+/-0.01	24.5~27.5	B2	63-66	62-64	63-66
1 1/4 ”	D30MM	0. 14+/-0.02	29.7~32.7	B2	63-66	62-64	63-66
1 1/2 ”	D40MM	0.31+/-0.04	39.6~43.6	B2	63-66	62-64	63-66
2”	D50MM	0.59+/-0.05	50~54	B2	62-65	61-63.5	62-65
2 1/2 ”	D60MM	1.0+/-0.05	60.4~64.4	B2	62-65	59-61	61-64
2 1/2 ”	D65MM	1.25+/-0.07	65.6~70.6	B2	62-65	59-61	61-64
2 1/2 ”	D65MM	1.25+/-0.07	65.6~70.6	B3	61-63	58-60	58-62
3”	D75MM	1.9+/-0. 1	76~81	B2	61-63	59-62	60-63
3”	D75MM	1.9+/-0. 1	76~81	B3	61-63	58-60	58-62
3 1/2”	D90MM	3. 1+/-0. 15	88~93.5	B3	60-62	57-60	59-62
3 3/4”	D94MM	3.5+/-0.2	92~97.5	B3	60-62	57-60	59-62
4”	D100MM	4. 1+/-0.2	98~103	B3	60-62	57-60	59-62
4.2”	D105MM	4.76+/-0.2	103~108	B3	59-62	57-60	59-62
4.5”	D115MM	6.3+/-0.2	113~118	B3	59-62	57-60	58-62
5”	D125MM	8.2+/-0.3	123~128.5	B3	58-62	57-60	58-62

Castings And Forgings

Material

	C	Si	Mn	P≤	S≤	Cr	Ni ≤	Cu≤
B2	0.72-0.86	0. 15-0.37	0.70-0.80	0.035	0.035	0.20-0.60	0.25	0.25
B3	0.58-0.66	1.30- 1.90	0.40-0.80	0.035	0.035	0.70-0.90	0.25	0.25

Castings And Forgings
Castings And Forgings Steel Ball HRC58-66 For Mining Machine
Castings And Forgings

Castings And Forgings

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Castings And Forgings Steel Ball HRC58-66 For Mining Machine

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