High Chrome Cast Iron Grinding Cylpeb (25X30mm)

• Customization: Available
• Casting Method: Sand Casting
• Casting Form Material: Metal
• Model NO.: 25x30mm
• Casting Metal: Cast Iron
• Casting Form Usage Count: Semi-permanent
• Surface Treatment: Polishing
• Surface Roughness: Ra0.05
• Coating: Sodium silicate
• Machining Tolerance: 1mm
• Standard: GB
• Certification: ISO 9001:2008
• Breakage Rate: 1% Max
• Surface Hardness: HRC55-65
• Transport Package: Steel Drum / Container Bag
• Specification: ISO9001: 2008
• Trademark: ZW
• Origin: Zhangqiu, Shandong, China
• HS Code: 73261100
• Production Capacity: 30000 Tons

Product Description

We Jinan Zhongwei are manufacturer of grinding cylpeb (Cylinder) with High Chrome,Low Chrome,Medium Chrome
SIZE
(mm)
φ16×16
φ20×25
φ25×35
φ30×40
φ30×45
φ35×45
φ45×50
φ50×60

1. Chemical Composition:
  

Name	Material	Chemical elements						Hardness
		C	Si	Mn	S	P	Cr	HRC
Cast iron ball	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

2. Hardness

Material	25mm-50mm HRC		60mm-70mm HRC		80mm-90mm HRC
	Surface	Core	Surface	Core	Surface	Core
Special Cr1:>20	60-64	59-63	60-64	58-62	60-64	57-61
Special Cr2:>15	58-62	57-61	58-62	56-60	58-62	50-59
High Cr:>10	58-62	57-61	58-62	56-60	58-62	50-59
Medium Cr:≥5	45-48	44-47	45-48	43-46	45-48	42-45
Low Cr:1-1.5	42-46	41-45	42-46	40-44	42-46	39-43

3. Product Description
1)High hardness; No breakage; Good wear resistance
2)HRC:50-65
3)Dia:20mm-150mm
4)Casting ball

4. Features

1) High hardness and resistance
2) Good even wear
3) No breaking


5. Applied fields
1) Mining
2) Cement plants
3) Power stations

6 . Quality Control.
Raw material test before production
Hardness test  Drop Test  Impact Test Core pulling Test after production
SGS test before delivery
Certificate: ISO 9001:2008

7. Packaging & Shipping
Packing: Container bags or steel drums or others.
For Container Bag, Net weight 1000Kgs ,Gross Weight 1002KGS ,Measurement 0.4CBM
For Steel Drums ,Net weight 850-950Kgs ,Gross Weight 865-965KGS ,Measurement 0.3CBM .
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