What bimetallic alloy types are available?

Available alloys include EJS01, EJS02, EJS03, EJS04, Ni60, Colmonoy 56, and Colmonoy 83, each with specific components for varying wear and corrosion resistance.

How is the quality of the product ensured?

We use only first-class steel, check every production procedure for precise dimensions, and execute a final complete inspection before dispatch.

What is the average lead time for orders?

The average lead time is 1-3 months during peak season and one month during the off-season.

75/32D Bimetal Twin Parallel Screw Barrel for PVC Pipe Machine Plastic Machine

Name: 75/32D Bimetal Twin Parallel Screw Barrel for PVC Pipe Machine Plastic Machine
Brand: E.J.S. Industry Co., Ltd.
SKU: 927851955

Zhejiang, ChinaE.J.S. Industry Co., Ltd.

US$197.00-1,079.95

1 Piece

Sample price:US$2019.00/piece.Request sample

Product profile

Customization

Available

Standard

DIN, ASTM, GOST, GB, JIS, ANSI, ISO

Technics

Milling-Drilling-Grinding-Polishing

Material

Tool Steel, Structural & Engineering Steel etc.

Base Material

1.8509, 1.8550, 1.8519, 4140, 5140, 45

Surface Treatment

Bimetallic, Nitriding, Through-Hardened, Chrome-Pl

Hardness for Nitriding

>Hv900

Hardness for Bimetallic

HRC50~70 Depending on Different Alloys

Thickness of Nitriding Layer

0.4~0.7mm

Thickness of Bimetallic

1.5~3.0mm Depending on Different Alloy Coating

Transport Package

Export Packaging

Specification

Screw Diameter from 14mm to 500mm

Trademark

EJS or Customized

Origin

China

HS Code

847790

Production Capacity

30000PCS/Year

Key features

Customizable Base Materials: Supports various base materials including 4140, 1.8509, 1.8519, and 1.8550 steel.

Multiple Surface Treatments: Offers nitriding, bimetallic coating, chrome-plating, and through-hardening options.

High Hardness & Wear Resistance: Nitriding hardness >Hv900; Bimetallic hardness HRC50-70 depending on alloy.

Customizable Dimensions: Workable length ranges from 700mm to 3000mm per piece, customizable as needed.

Premium Bimetallic Alloys: Features EJS01-EJS04 alloys with excellent wear and corrosion resistance.

Strict Quality Control: First-class steel used with precise dimension checks and final complete inspection.

Professional Manufacturing: Utilizes PTA welding and centrifugal casting machines for high precision.

Global Export Experience: 6+ years export experience with one-stop service and fluent English support.

Company profile

E.J.S. Industry Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2006-10-04Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤6.70hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FAS, DDP, DAP, CIP, FCA, EXW

AI-Powered supplier vetting

SummaryE.J.S. Industry Co., Ltd. is a China-based limited company in Zhejiang, with trading, manufacturing/factory, and group-corporation classifications. Its primary products are screw barrels and related extrusion, injection-molding, and rubber-processing components. The supplier reports ISO 9000 and ISO 9001 management-system certifications, more than 10 production lines, 6–10 quality-control staff, and 6–10 years of total R&D-engineer experience. It exports through agents and its own import-export rights, serving multiple regions. The supplier also describes a large production area, over 400 workers, more than 300 pieces of equipment, and customized services. However, the provided information does not establish current after-sales service capability, innovation outputs, financial credibility, or documented customer cases. The SGS audit record is time-limited and shows an evaluation result of 0, but the meaning of that result is not defined in the provided data.

Supplier typeThe supplier is identified as a trading company in the company basic information, while another record classifies it as a Trading Company, Manufacturer/Factory, and Group Corporation. Its products and manufacturing-machinery trade engagement are specifically related to screw barrels and associated components. This supports classifying it as a trading and manufacturing-oriented supplier, although the records are not fully consistent regarding the principal entity type.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. An SGS audit record is also provided, with a stated report period from August 5, 2024 to August 4, 2025; however, the audit result is recorded as 0 and its interpretation is not explained. The certifications provide explicit positive evidence, but current validity beyond the stated audit period is not established.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, a factory in Zhoushan, and primary export markets across several regions. Its company description additionally states a production area of up to 40,000 square meters, more than 400 full-time workers, and over 300 domestic and imported equipment units. These stated facilities, workforce, equipment, and production-line indicators provide explicit evidence of substantial production capability.

Customization capabilityThe product range includes multiple screw-barrel configurations, including twin-screw, extrusion, injection-molding, rubber, bimetallic, and single-screw products, as well as screw elements and feed-housing barrels. The supplier also explicitly advertises customized VIP services. This directly supports an ability to provide customized product solutions, although the scope and technical limits of customization are not specified.

Product Q&A

Q:What base materials are available for the screw barrel?

Common materials include 42CrMo (4140 Steel), 38CrMoAlA (1.8509), 31CrMoV9 (1.8519), 34CrAlNi7 (1.8550), 40Cr, 45 Steel, SS304, SS416, SKD11, and SKD61. Other materials are possible upon request.

Q:What surface treatment options are provided?

We offer quenching & tempering, nitriding, hard chrome-plated, bimetallic alloy coating, and through-hardened surface treatments.

Q:What is the hardness of the bimetallic coating?

The hardness for bimetallic coating is HRC50~70, depending on the different alloys used.

Q:What is the nitriding layer thickness and hardness?

The thickness of the nitriding layer is 0.4~0.7mm, with a hardness greater than Hv900.

Q:Can the length of the screw barrel be customized?

Yes, the range of workable length is 700mm~3000mm per piece, and any length needed can be customized.