What materials are used for the spring wire?

The primary materials used are 55CrSi and 60Si2Mn, which are alloy steels designed for high tensile strength and durability in automotive applications.

What is the warranty period for the product?

We provide a 1-year warranty for our oil tempered spring wire products.

High-Performance Oil Tempered Spring Wire for Auto Suspension

Name: High-Performance Oil Tempered Spring Wire for Auto Suspension
Brand: Gongyi City HengMing Metal Products Co.,Ltd.
SKU: 2125302462

Henan, ChinaGongyi City HengMing Metal Products Co.,Ltd.

US$1,100.00

1-24 Tons

US$1,000.00

25-49 Tons

US$950.00

50+ Tons

Product specifications

DIA

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Customized

Warranty

1years

Model NO.

2mm

Certification

ASTM/ISO/IATF

Brand

Hengming

Shape

Round

Alloy or Not

Alloy

Dia

0.5-21mm

Transport Package

Customized

Specification

0.5-21mm

Trademark

Hengming

Origin

Henan, China

HS Code

7217100000

Production Capacity

12000/Ton

Key features

Dual International Certification: Complies with ASTM SAE 9254, EN 10270-2, and ASTM A229 standards for global automotive applications.

High Fatigue Resistance: Precise oil quenching and tempering ensure high tensile strength and superior fatigue resistance for dynamic loads.

Customizable Specifications: Offers full customization for shape, brand, and dimensions (0.5-21mm diameter) to meet specific design needs.

Large Production Capacity: Monthly capacity of 5,000 tons for spring steel wire with 4 oil-tempering lines and automated quality control.

On-Site Technical Support: Dedicated teams provide regular on-site visits and immediate assistance for technical troubleshooting and consultation.

Strict Quality Inspection: 100% visual and function inspection of finished products with full-process visual control from raw materials.

Reliable Delivery Guarantee: Standard lead time of 7-15 days with sufficient storage capacity to meet rapid delivery needs for large orders.

Free Sample Availability: Provides limited quantity free samples for quality evaluation, with optional sample orders for further testing.

Company profile

High Repeat Buyers ChoiceExperienced TeamSelf-brandedExhibition Experience

Gongyi City HengMing Metal Products Co.,Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2016-01-01 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.96h

AI-Powered supplier vetting

SummaryGongyi City Hengming Metal Products Co., Ltd. is described as a professional manufacturer with production equipment, quality assurance, and domestic and overseas sales. It provides OEM, ODM, and multiple customization services, but does not provide 3D software design, has reported no new products in the past year, and lacks SDK availability. Manufacturing contracts with associated subcontractors are valid, while no in-stock, overseas warehouse, overseas showroom, overseas agent, or branch services are reported. The supplier has attended a Germany trade show and states peak-season lead time of one month and off-season lead time within 15 working days. Quality procedures, finished-product inspection instructions, and raw-material traceability are documented. Financial credibility cannot be established because the reported revenue, costs, and profits for the stated periods are all zero. No certification information or specific customer cases is provided.

Supplier typeThe supplier identifies itself as a professional manufacturer and lists production lines and testing equipment, including steel wire and surface-treatment facilities. Valid contracts with associated subcontractors further support manufacturing capacity, although no inventory, overseas warehouse, showroom, agent, or branch services are reported.

Financial creditThe financial records provided for the stated periods report zero operating revenue, operating costs, gross profit, and operating profit. These figures do not support a positive assessment of financial credibility, but the slices do not explain whether the entries are incomplete, misreported, or representative of actual operations.

R&D capabilityThe supplier offers ODM services, but reports no new products during the past year, no 3D software design service, and no available SDK. It also lacks ERP integration for digitized production, procurement, quality, and logistics management, indicating limited documented innovation and digital-development capability.

Production capacityProduction capability is supported by the manufacturer profile, listed production and testing facilities, valid manufacturing contracts with associated subcontractors, documented inspection instructions, and stated lead times of one month in peak season and within 15 working days in off-season. However, the supplier reports no in-stock capacity.

Customization capabilityThe supplier explicitly provides customization from designs, customization from samples, full customization, and flexible customization, alongside OEM and ODM services. This is direct evidence of broad customization capability, although it does not include 3D software design or SDK support.

Product Q&A

Q:Can you provide samples?

Yes, we offer a limited quantity of free samples. If you prefer, you're welcome to place a sample order to further evaluate our product quality.

Q:Do you provide after-sales service?

Absolutely. Our technical and sales teams visit overseas clients regularly to provide on-site technical support. Upon request, our after-sales service team is available for immediate assistance.

Q:What is your production capacity?

Spring Steel Wire: 4 oil-tempering lines, 2 induction heating lines, 2 lead-quenching lines. Monthly capacity: 5,000 tons. Galvanized Steel Wire: 6 galvanizing lines, 10 stranding machines. Monthly capacity: 5,000 tons. Aluminium Clad Steel Wire: 2 heat treatment lines, 2 aluminium cladding lines. Monthly capacity: 4,000 tons.

Q:What standards does the oil tempered spring wire comply with?

The wire strictly complies with ASTM SAE 9254, EN 10270-2, and ASTM A229 standards, ensuring exceptional performance in vehicle suspension, clutch, and valve spring applications.

Q:What are the available customization options?

We offer full customization including shape (Round), brand (Hengming), and diameter (0.5-21mm). Customization is available from designs, samples, or full customization requests.