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Choke Stem Material Classes Tungsten Carbide Wear Parts

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Zhuzhou Zonco Sinotech Wear-resistant Material Co., Ltd.

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Choke Stem Material Classes Tungsten Carbide Wear Parts

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Brand Name :	ZONCO
Model Number :	Customized
Certification :	ISO9001:2015
Price :	Negotiable
Payment Terms :	L/C, T/T,
Supply Ability :	10000 piece/pieces per month
Delivery Time :	30-35 working days

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Choke Stem Material Classes Tungsten Carbide Wear Parts

Compact Structure Choke Stem Material Classes Tungsten Carbide Wear Parts

Valve is assembled product. Valve external parts and Valve trim parts such as Body, Bonnet, Disk/wedge, Seat, Steam, Gland Packing / Stud & Bolt

/ Gasket / Handwheel are all manufactured independently and assembled in valve factory.

Tungsten Carbide Materials Grade As Below:

Zonco Grade	Density (g/cm3)	Hardness (HRA)	TRS (≥N/mm²)
ZK11	14.2-14.4	87.1	2600
ZK15	13.95-14.15	87	2600
ZK20	13.45-13.65	83.5	2600
ZK06	14.8-15	90	2100
ZK06A	14.85-15	91	2000
ZK08	14.65-14.85	89.5	2000
ZY20C	13.4-14.6	82.5	2700

What is Valve Trim?

The removable and replaceable internal parts of the valve that come in contact with the flow medium are collectively known as valve trim. Disc, valve seat, and stem are common for all the valve. Valve Trim components will change with types of valve. Valve specific trim includes back seat, glands, spacers, guides, bushings, retaining pins and internal springs. Here in the image, you can see the gate valve trim parts. Because of the trim parts, disk movement and flow control are possible.

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Common Alloy Grades, Ghysical Mechanical Properties And Recommended Application
Grade	WC%	Co/Ni %	Physical and mechanical properties			Grain size (μm)	Recommended application
Grade	WC%	Co/Ni %	Density (g/cm3)	TRS (N/mm²)	Hardness (HRA)	Grain size (μm)	Recommended application
ZG01	100	0	15.3-15.5	1200	95.5	0.3	Ultra-high hardness, high wear resistance, anti-corrosion, with certain anti-destructive ability
ZG04X	96	4	15.0-15.2	1600	92.8	0.8-1.0	Suitable for drawing die, non-ferrous metal wire drawing and wear-resistant parts
ZG06	94	6	14.8-15.1	2500	90.0	1.2	Good abrasion resistance, good compression resistance, suitable for wear-resistant parts that resist abrasion and high pressure.
ZG06X	94	6	14.8-15.1	2400	91.5	1.0	Superio wear resistance,good comprehensive properties,suitable for making non-standard structure components with higher wear resistance.
ZG06A	94	6	14.8-15.1	2150	92.5	0.6-0.8
ZG08	92	8	14.6-14.9	2700	89.0	1.2-1.6	Good general performance, used for general wear parts, molds, general tools, etc.
ZG10.2	90	10	14.3-14.6	3800	91.7	0.7	Good general performance, suitable for casing and oil nozzle products
ZG11	89	11	14.3-14.7	2800	88.5	1.2-1.6	Anti-wear, anti-erosion, good comprehensive mechanical strength, suitable for wear-resistant parts in the petroleum, chemical and mechanical industries.
ZG12X	88	12	14.2-14.5	3000	89.5	1.0-1.2	Anti-erosion, good comprehensive mechanical strength, suitable for impact-resistant wear-resistant parts, molds, and roller rings.
ZG15	85	15	13.8-14.2	3000	86.5	1.2-1.6
ZG15X	85	15	13.8-14.2	4500	89.0	0.7	Excellent wear resistance and toughness,it is suitable for making integral stamping dies, anti-vibration toolholders, etc.
ZG20	80	20	13.4-13.8	3100	85.0	1.0	Excellent wear resistance and toughness
ZN06	94	6	14.5-14.9	2000	90.0	1.2	Non-magnetic alloy, suitable for sealing ring, non-magnetic wear-resistant parts and corrosion-resistant parts.
ZN09	91	9	14.3-14.6	2300	89.0	1.2-1.6
ZN11	89	11	14.0-14.3	2600	88.0	1.2

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