Factory Direct Conical Twin Screw Barrel

• Customization: Available
• After-sales Service: Provided
• Warranty: 12 Months
• Model NO.: BST2412CO-7
• Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
• Technics: Milling
• Feature: New
• Material: Iron
• Product: Extruder Screw Barrel/Conical Twin Screw Barrel
• Structure Characteristics: Twin Screw Barrel
• Main Material: Tool Steel, Structural & Engineering Steel
• Base Steel: 38crmoala, SKD61,SKD11,DC53
• Surface Treatment: Nitridation, Vacuum Quenching, Chrome-Plated
• Nitridation Depth: 0.5-0.9mm
• HS Code for Export: 847790
• Suitable Raw Materials: PP, PE, ABS,PVC,UPVC
• Key Selling Points: Long Operating Life
• Chrome Thickness: 0.05-0.18mm
• Quenching Hardness: HRC58-62
• Surface Roughness: Ra 0.4
• Nitrided Brittleness: Less Than Grade II
• Screw Straightness: 0.015mm/M
• Nitridation Hardness: Hv900-1050
• Transport Package: Wooden Box with Bubble Film Wrapped
• Specification: 51/105 55/110 65/132 80/156 92/188 and so on
• Trademark: BST
• Origin: Zhejiang, China
• HS Code: 847790
• Production Capacity: 380 Sets/Month

Product Description

Product Description

 

Extruder Screw Barrel/conical twin screw barrel/screw and barrel

Conical twin screw barrel with high yield, plasticizing, low energy consumption advantages over the years more and more users demand and favor.
For PVC pipe, profiles, sheets, plates, foam templates, resin tile, siding, granulation, PE wood, PP winding pipe and so on.
Common specifications are:

Φ25/55,Φ35/75,Φ45/90-99,Φ48/112-117,Φ51/105-120,Φ55/110-125,Φ58/125,Φ60/125-129,                                      Φ65/120-132,Φ68/147, Φ70/150, Φ80/143-156, Φ92/188,Φ105/203,Φ110/220

★ Material
Based materials include 38CrMoAlA(1.8509), SKD61,SKD11,DC53
If other materials are possible, please contact us for further details.

★ Heat Treatment
Including: quenching & tempering, nitridation, chrome-plated, bimetallic coating,tungsten carbide, through hardened.

 

item	Extruder Screw Barrel/conical twin screw barrel/screw and barrel
Place of Origin	Zhejiang,China
Condition	New
Material	PP, PE, PVC,ABS, PET, PA, PC,PMMA
Spare Parts Type	screw and barrel
Video outgoing-inspection	Provided
Warranty	12 months
Key Selling Points	Long Operating Life
Local Service Location	Egypt, Canada, Turkey, United Kingdom, United States, Italy, France, Germany, Viet Nam, Philippines, Peru, Saudi Arabia, Indonesia, Mexico, Russia, Spain, Thailand, Japan, Malaysia, Australia, Morocco, Argentina, South Korea, Chile, UAE, Colombia, Romania
After Warranty Service	Video technical support, Online support, Spare parts, Field maintenance and repair service
Applicable Industries	Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Other, Advertising Company
Conventional material	38CrMoAlA(1.8509), SKD61,SKD11,DC53
Nitrided Hardness	HV900-1050
Nitrided Depth	0.5-0.9mm
Quenching Hardness	HRC55-62
Nitrided Brittleness	Less than grade II
SURFACE ROUGHNESS	Ra 0.4
Screw straightness	0.015mm/m
Chromium plating layer hardness	>=950HV
Chromeplate Thickness	0.05-0.18mm
Alloy depth	1.5-3.0mm

 

Product Parameters

Item	Bimetallic Screw
Alloy Type	Ni60	Colmonoy 56	Colmonoy 83
Alloy Components	Ni+Cr+Fe+Si (Ni:65, Cr:17, Fe:15, Si:5)	Ni+Cr+Si+Fe (Ni: 68, Cr:18, Si:5, Fe:5)	Ni+Wc+Cr+C (Ni:40, Wc:34, Cr:20, C:2)
Anti-Wearing Level	***	***	****
Anti-Corrosion Level	****	****	****
Alloy Thickness	1.5~3.0mm	1.5~3.0mm	1.5~3.0mm
Hardness	HRC 56~62	HRC 50~56	HRC 48~52
Applied Glass Fiber	Under 20%	Under 10%	Without GF
Range of Workable Length	Any length as customer required
Based Steel Used	38CrMoAlA(1.8509), 34CrAlNi7(1.8550), 31CrMoV9(1.8519)
**** Excellent; *** Very Good; **Good

 

Item		Bimetallic Barrel
Alloy Components/Type		Fe+Ni+Cr+B (Fe:65, Ni:14, Cr8, B:3.5)	Ni+Cr+Co+B	Ni+Cr+Co+V+B	Ni+Wc+Cr+B (Ni:50, Wc:15~35,Cr:6~8, B:2.5~3.2)
Wearing Resistance		***	**	***	****
Corrosion Resistance		**	***	***	***
Alloy Thickness		1.5-3mm	1.5~2mm	1.5~2mm	1.5~2mm
Hardness		HRC 55~62	HRC 50~58	HRC 55~60	HRC 58~65
Temperature Range		≤400	≤400	≤450	≤600
Coefficient Thermal	RT~250ºC	11.0x10-6	11.0x10-6	11.5x10-6	11.0x10-6
Expansion(/ºC)	RT~400ºC	11.4x10-6	11.4x10-6	12.4x10-6	12x10-6
Range of Workable Length		450mm~3000mm
Base Steel Vastly Used		40Cr, 42CrMo
**** Excellent; *** Very Good; **Good

 

Detailed Photos

 

Packaging & Shipping

FAQ

1. who are we?
We are based in Zhejiang, China, start from 2006.

2. how can we guarantee quality?
Always a pre-production drawings before production;
Multiple inspections will be conducted during the production process,and final Inspection before shipment;

3.what can you buy from us?
Screw barrel includes Injection screw barrel,Extruder screw barrel,Conical twin screw barrel,Parallel twin screw barrel,Granulation screw barrel,Squeezing screw barrel and so on.

4. why should you buy from us not from other suppliers?
We have many years of design and production experience, designing the most suitable screw structure for different raw materials and products to achieve the best use effect.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW
Accepted Payment Currency:USD,EUR,CAD,AUD,HKD,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,Arabic,French,Russian,Korean.