Product Details

Corrosion Resistant Stainless Screw Barrel Steel

Product Description

Detailed Specifications

Base Material	1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11) 3)4Cr5MoSiV1(JIS SKD-61) 4)42CrMo(AISI 4140)
Bimetallic Alloy Materials	1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 3)Co-based alloy 4)NiCo-based alloy 5)Tungsten carbide/Wolfram carbide
Double-alloy level	Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5%
Surface Treatment	Heat Treatment High Frequency Treatment Nitriding treatment(120 Hours) Depth of Nitrided Layer: 0.5-0.8 mm Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°) Hard Chrome Plating treatment: Thickness of Hard Chrome Plating Layer: 0.05-0.10mm Hardness of Hard Chrome Plating Layer: ≥950HV Nickel alloy plating.treatment: Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy) Bimetallic Screw: Plasma Alloy Coating Spraying Depth of Bimetallic Layer: >2mm Hardness of Bimetallic Layer: HRC55°-72°
Basic information	Roughness of the surface:Ra0.4um Linearity of the screw: ≤0.015mm Linear axis limit: ≤0.02mm Hardness after Hardening & Tempering: HB240-280 Fragility of Nitration:≤Two class
Material Application	1)General Plastics 2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc 3)PA + GF(Glass Fiber) 4)Flame-resistant Reinforced Plastics 5)Modified Engineering Plastics 6)All kinds of Mixed Recycled Material(in Scrap or Granule),etc
General Terms	Means of transport: Ocean,Air,Express Production time: About 25 days after we receive the deposit and lead time will different according to the order quantity!
Our products advantages	1)High productivity 2)Wonderful plasticizing 3) low energy consumption 4)Wearable and Durable 5)Fast and On time delivery 6)Best customer service!

Production Steps

Custome Order--Product Design(Customer Drawing)—Production Flow Arrangement—

Material Procurement—Hardening&Tempering—Drilling—RoughTurning—RoughThread

Rolling (AlloySprayWelding)—Alignment—FineThread Rolling—Mixing—Alignment—High

FrequencyTreatment—Alignment—Polishing—Grinding—120 Hours NitridingTreatment—

Acid Piclking—Polishing—Chrome Plating—O.D.Grinding—Packaging&Shipping.

We can produce screw barrel according to customer drawing or sample!

We provide QC report before delivery

Our Services

1.Quality guaranteed

2.Support factory visit

3.Technology supports

4.We are the manufactuer

Company Information

Welcome to Nanjing Haisi Extrusion Equipment CO., Ltd.

Nanjing Haisi Extrusion Equipment Co., Ltd. is a High-Tech company. Our firm is composed of a strong team which has substantial experience in R&D, manufacture, technique and sales service and has specialized in extruder industry for ten years. We are now devoted to highly active single / twin screw compounding extruders and interrelated techniques. According to the material system and technical process, we have achieved the optimization of structural design for mixing equipment and combine electromechanical and technique systems together, which show our many years' experience and comprehensive techniques.

Our products are single screw extruders, co-rotating twin-screw compounding extruders,two-stage compounding extruders, auxiliary equipment, etc.

Believe yourself, and cooperating with HAISI is your wise decision; believe us ,since "high quality and service" is our promise forever!

FAQ

1. Q: How about Haisi?

R: Nanjing Haisi Extrusion Equipment Co., Ltd. is a High-Tech company. Our firm is composed of a strong

team which has substantial experience in R&D, manufacture, technique and sales service and has

specialized in extruder industry for ten years,leading screw barrel manufacturer in China.

2. Q:What's Haisi capacity?
R:Company is in strict accordance with CE and ISO9001 quality certification system.There are over 200

models of extruders and spare parts.

3. Q:What's the delivery time?

R:for regular size, we have finished stock and semi-finished stock, 2weeks max enough

for customized, normally 3~4weeks.

4.Q:How about Haisi screw extruder quality and price?
R:Germany Technical invested, top quality in China with competitive price and globle after-sale service

5. Q:what's the life time and guarantee buy from Haisi screw extruder?
R:3~5years life time for nitriding ones and bimtallic ones will be longer
One year min. Guarantee.