What is the nitriding hardness of the product?

The nitrided hardness ranges from 900 to 1000HV.

What is the minimum order quantity?

The minimum order quantity is 1 Pc.

38crmoaia Conical Twin Screw and Barrel

Name: 38crmoaia Conical Twin Screw and Barrel
Brand: Zhangjiagang Chenxing Machinery Co., Ltd.
SKU: 796417095

Jiangsu, ChinaZhangjiagang Chenxing Machinery Co., Ltd.

US$4,500.00

1-4 sets

US$3,200.00

5+ sets

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

SJZ

Materials

Bimetallic

Conical Screw and Barrel

Sjz51/65/80/92

Nitriding Layer Depth

0.5-0.8mm

Nitrided Hardness

900-1000hv

Bimetallic Layer Depth

3 mm

Bimetallic Hardness

57~69HRC

Chrome Plating Layer Depth

0.03-0.09mm

Surface Roughness

Ra 0.4

Linearity of Screw

0.015mm

Transport Package

Wooden Case

Specification

SJZ

Trademark

chenxing

Origin

Zhangjiagang of China

HS Code

84779000

Production Capacity

3000sets/Year

Key features

High-Quality Alloy Steel: Made from premium materials like 38CrMoAlA and 42CrMo for superior durability.

Advanced Nitriding Treatment: Nitrided hardness reaches 900-1000HV with a layer depth of 0.5-0.8mm.

Bimetallic Construction: Features a 3mm bimetallic layer with hardness of 57-69HRC for corrosion resistance.

Precision Hard-Chrome Plating: Chrome layer depth of 0.03-0.09mm ensures high wear resistance and smooth operation.

High Linearity Accuracy: Screw linearity maintained at 0.015mm for efficient plasticization and extrusion.

Low Surface Roughness: Surface roughness of Ra 0.4 ensures smooth material flow and reduced friction.

Customizable Compress Rate: Screw compress rate can be designed according to different raw materials and products.

Comprehensive Warranty: 12-month warranty covering free parts replacement for manufacturing quality issues.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceStandardized quality controlProduct Certification

Zhangjiagang Chenxing Machinery Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.41h

AI-Powered supplier vetting

SummaryChenxing Machinery is a Zhangjiagang-based manufacturer and processor of plastic, beverage, packaging, washing, and hardware machinery, with domestic and international business scope. It reports CE certification, quality assurance, raw-material traceability, documented complaint handling, and documented supplier-control procedures. The supplier supports extensive customization and ODM services, but reports no new products in the past year, no available SDK, and no OEM service for well-known brands. It has exported for 16 years, with exports representing 41%–50% of total sales, and reports peak- and off-season lead times within 15 working days. Financial records are referenced for 2021–2023, but the provided information does not include sufficient financial performance detail to assess credibility. No specific customer cases are disclosed.

Supplier typeThe supplier is identified as Zhangjiagang Chenxing Machinery Co., Ltd., a China-based manufacturer, processor, seller, and import/export operator covering plastic, beverage, packaging, washing, and hardware machinery. Its stated business scope supports classification as a machinery manufacturer and exporter.

CertificationsThe supplier reports sustainable-development and product certification capability for CE. This is explicit evidence of holding or supporting CE certification, although no additional certifications are provided.

After-Sales capabilityThe supplier has a documented complaint-handling procedure with records, accepts multiple service quotation and payment terms, and reports lead times within 15 working days in both peak and off-season periods. However, the slices do not specifically describe installation, maintenance, spare-parts, or technical-support coverage after delivery.

Production capacityThe supplier manufactures and processes several machinery categories, has 80 qualified suppliers for service capability, documented supplier-control and corrective-action procedures, standardized finished-product inspection instructions, quality assurance, and raw-material traceability. It also reports 16 years of exporting and lead times within 15 working days, supporting a positive assessment of operational capability.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization, and also offers ODM services. These statements directly demonstrate broad customization coverage.