What is the minimum order quantity (MOQ)?

The minimum order quantity is 2 pieces.

What are the payment terms?

We accept T/T, LC, and Western Union for payment.

What is the average lead time for production?

The average lead time is 1-3 months for both peak and off-season periods.

Best Selling High Hardness Hydraulic Silicon Steel Train Automatic Primary Suspension Coil Spring

Name: Best Selling High Hardness Hydraulic Silicon Steel Train Automatic Primary Suspension Coil Spring
Brand: Chongqing Xinrail Technology Co., Ltd.
SKU: 2182329505

Chongqing, ChinaChongqing Xinrail Technology Co., Ltd.

Negotiable

10 Pieces

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

Train Spring

Customized

Certification

ISO9001

Type

Railway Spring

Product Name

Railway Steel Spring

Material

60si2mn, 60si2mna, 60si2crva, 60si2crvat,50 CRV4,

Wire Diameters

12-70mm

Coil Diameters

60-500mm

Free Height

180-1000mm

Weight

4-160kg

Number of Active Coil

3-12 or Depend on Drawing

Elements

Internal Spring and External Spring

Usage

Bogie of K2, K4, K8, Y25 with Axle Load of 21t, 22

Transport Package

Carton Packing

Specification

ISO 9001, UIC 822 DIN 2096, EN 13298.

Trademark

XRD

Origin

Chongqing China

HS Code

7320209000

Production Capacity

10000

Key features

Advanced Surface Technology: Uses ultrasonic deep rolling and high pressure water jet to improve mechanical properties and life.

High Yield Strength: Innovative heat treatment achieves ultra-fine grain and micro-nano twin substructure for better elasticity.

Customizable Dimensions: Wire diameter 12-70mm, coil diameter 60-500mm, free height 180-1000mm, weight 4-160kg.

Multiple Material Options: Available in 60Si2Mn, 60Si2MnA, 60Si2CrVA, 50CrV4, and other specialized spring steels.

International Certifications: Complies with ISO 9001, UIC 822, DIN 2096, and EN 13298 standards.

High Automation Production: Fully automatic line ensures dimensional precision, consistency, and eliminates secondary martensite brittleness.

Wide Application Range: Suitable for bogies of K2, K4, K8, Y25 with axle loads of 21t, 22.5t, 25t etc.

1-Year Warranty: Comprehensive 1-year warranty coverage with professional after-sales service support.

Company profile

Importers and ExportersQuality AssuranceQA/QC Inspectors

Chongqing Xinrail Technology Co., Ltd.

Chongqing, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Minor Customization CertifiedExport Year: 7 Months CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.63h CertifiedTerms of Payment: T/T, LC, Western Union

About Our Factory & Business Background

AddressXinrui Didai, Shiqiaopu Street, Jiulongpo District, Chongqing, China

Plant Area74 square meters

Number of Employees9

Registered Capital500,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: 1-3 months

Minimum Order Quantity2 Pcs

Supply Chain Partners30

Our Production Capability & Technical Expertise

Main ProductsTrain Part, Railway Part, Railway Vehicle Parts, Railway Traction Motor, Rail Fastening System, Rail Joints, Railway Equipment, Railway Bogie Part, Railway Brake Part, Train Interiors

QA/QC inspectors1 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

R&D Engineers4 people

Traceability of Raw MaterialsNo

Test Reports for Raw MaterialsOthers