AISI 4340 Forging Ring Precision Machined Steel Ring Quenched Tempered Surface Treated Industrial Component

Name: AISI 4340 Forging Ring Precision Machined Steel Ring Quenched Tempered Surface Treated Industrial Component
Brand: Shanghai Changjin Metal Product Co., Ltd.
SKU: 2332881545

Shanghai, ChinaShanghai Changjin Metal Product Co., Ltd.

US$10.00

100-499 kg

US$5.00

500-999 kg

US$3.00

1,000+ kg

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Molding Technics

Pressure Casting

Application

Hardware

Material

Aluminum, Stainless Steel, Alloy Steel, Superalloy

Heat Treatment

Quenching

Surface Treatment

Polishing

Forging Tolerance

+/-0.1mm

Standard

International Standard

Certification

CE, RoHS, ISO 9001:2000, ISO 9001:2008

Transport Package

Wooden Box Packing

Specification

Customized

Trademark

Changjin

Origin

China

Key features

Wide Material Selection: Offers carbon steel, alloy steel, stainless steel, nickel alloys, titanium, and more.

Customizable Sizes: Outer diameter up to 10000mm, height up to 2000mm, weight up to 50 tons.

Multiple Processing Options: Available as forged, rough machined, or fully machined rings.

Fast Stock Delivery: Stock materials delivered within 3-5 working days.

Comprehensive Certifications: CE, RoHS, ISO 9001:2000, ISO 9001:2008 certified.

Quality Assurance Guarantee: Provides MTC, SGS, UT certificates and full payment refund for quality issues.

Free Sample Availability: Free samples available for partial materials (freight excluded).

Company profile

Shanghai Changjin Metal Product Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Full Customization, Flexible customization, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a Shanghai-based trading company with factory-related resources, more than 10 production lines, 31–40 quality-control staff, ISO 9001:2015 certification, and access to over 200 supporting enterprises. It reports in-stock service capability and lead times within 15 workdays to one month, but has no overseas warehouse, showroom, agent, branch, or overseas service coverage. After-sales complaint handling has a clear procedure and records, while supplier-service corrective/preventive actions lack written procedures or records. The supplier does not provide ODM, SDK, or popular-brand OEM services, and its R&D function is limited to one engineer with the general manager responsible for technical support. Financial information is inconsistent and insufficient for a reliable credibility assessment. No customer cases or named brand references are provided.

Supplier typeThe supplier is explicitly classified as a trading company in Shanghai and describes coordinating CNC, stock, logistics, and processing through more than 200 supporting enterprises. It also reports factory-related resources, including more than 10 production lines, but the supplied information does not establish that it directly owns or operates those production assets.

CertificationsThe supplier holds an ISO 9001:2015 certificate. This is explicit evidence of a quality-management-system certification, although no additional certifications are listed.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with follow-up records, in-stock service capability, and stated lead times within 15 workdays to one month. However, it lacks overseas warehouses, showrooms, agents, branches, and overseas service coverage, while its corrective and preventive action mechanism for service capability has no written procedures or records.

Production capacityThe supplier reports more than 10 production lines, 31–40 quality-control staff, over 200 qualified service-capability suppliers, and lead times within 15 workdays to one month. Because it is classified as a trading company and the relationship to the reported production lines is not clarified, the evidence supports access to production resources but not clearly owned manufacturing capacity.

Customization capabilityThe company describes CNC and value-added processing services, but explicitly states that it does not provide ODM services, popular-brand OEM services, or an available SDK. This shows some processing-related service capability but no confirmed product-development or formal customization capability.

Product Q&A

Q:How long is the shortest delivery time?

For stock material, the delivery time is just 3-5 working days. And for customized product, it will takes 25-35 working days based on different size and quantity.

Q:Can you supply the sample? Does it free or not?

For partial materials, we can supply the sample free (without the freight charge). If you want to know more details, please contact our sales online.

Q:What are the terms of payment?

We can accept T/T, 100% irrevocable LC at sight, Western Union, etc.

Q:How to ensure the quality?

We can supply QC, such as MTC, SGS, UT Certificate, etc. Besides, we have Trade Assurance Amount from Group. If our quality is unapproved, we need and will refund full payment to customers.

Q:How can we get your price?

We need below information to quote for you: 1. Product Name 2. Standard 3. Material Grade (Chemical Composition) 4. Dimension 5. Quantity 6. The Drawing for Special Parts.