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with Bimetallic Extruder Screw Barrel to Achieve up 50% Longer Service Life

US$1,860.00
1-4 Sets
US$1,750.00
5-9 Sets
US$1,600.00
10-19 Sets
US$1,320.00
20+ Sets

Basic Info.

Model NO.
BST250225EX-8
Standard
DIN, ASTM, GOST, GB, JIS, ANSI, BS
Technics
Milling
Feature
New
Material
Iron
Product
Extruder Screw Barrel
Structure Characteristics
Single Screw Barrel
Main Material
Tool Steel, Structural & Engineering Steel
Base Steel
38crmoala, SKD61,40cr,42CrMo,Gh113,Steel 45,1.8550
Surface Treatment
Nitridation, Vacuum Quenching, Chrome-Plated
Nitridation Depth
0.5-0.9mm
HS Code for Export
847790
Suitable Raw Materials
PP, PE, ABS, Pet, PC,PVC,PA, PMMA and So on
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
screw diameter 20-580mm
Trademark
BST
Origin
Zhejiang, China
HS Code
847790
Production Capacity
200 Sets/Month

Packaging & Delivery

Package Size
360.00cm * 42.00cm * 39.00cm
Package Gross Weight
370.000kg

Product Description

Product Description

Extruder screw barrel/screw and barrel ★PP, PE, ABS, PS, PC, PMMA, PVC commonly new or used plastic series. ★PA6, PA66 nylon series, for airbag cloth, waste silk, fishing net silk, cloth head, wood shaving, safety rope, PP non-woven fabrics.
★PP PE film, woven bag and other material series.
★ MaterialBased materials include 42CrMo( AISI 4140 ), 38CrMoAlA(1.8509), 31CrMoV9(1.8519), 34CrAlNi7(1.8550), 40Cr, 45 Steel,
Stainless Steel(SS 304, SS 416 and so on), SKD11, SKD61,DC53,SKH55. 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/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
38CrMoAIA, SKD61, SACM645, GH113, 42CrMo(AISI4140)
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,EXWAccepted 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.

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