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Premium 4cr9si2 Valve Steel Bar - High Performance Quality

Name: Premium 4cr9si2 Valve Steel Bar - High Performance Quality
Brand: Dongtai Ruicheng Electromechanical Technology Co., Ltd.
SKU: 2155556152

Jiangsu, ChinaDongtai Ruicheng Electromechanical Technology Co., Ltd.

US$1,400.00-2,800.00

1 Ton

Product specifications

Model

Product profile

Type

Alloy Steel Bar

Standard

AISI, ASTM, DIN, JIS, GB, BS

Composition

4cr9si2 Martensitic Heat-Resistant Steel

Model NO.

4Cr9Si2

Technique

Hot Rolled / Forged / Cold Drawn / Customizable

Shape

Bar

Surface Treatment

Black (as-Rolled) / Polished / Peeled

Special Use

Heat Resistant Steel for High-Temperature Valves

Application

Automotive & Industrial Engine Valves

Material Type

4cr9si2 Martensitic Valve Steel

Diameter Range

φ4.50mm-φ80.00mm

Heat Treatment Method

Annealing, Solution Treatment, Quenching

Surface Condition

Smooth, Free of Cracks & Defects

Primary Application

High-Temperature Engine Valve Components

Transport Package

Wooden Box

Specification

Per Customer's Requirement

Trademark

Rui Cheng

Origin

Dongtai City, China

Key features

4Cr9Si2 Material Grade: Martensitic heat-resistant steel with high temperature strength and oxidation resistance.

Full Customization: Customizable diameter, length, heat treatment, and certification per technical drawings.

High Wear Resistance: Ideal for dynamic, high-cycle applications like engine valves and pneumatic tools.

Multiple Techniques: Hot rolled, forged, cold drawn, and customizable techniques available.

Quality Assurance: 100% visual and function inspection with Mill Test Certificate (MTC) provided.

Versatile Application: Suitable for automotive engines, compressors, hydraulic systems, and boiler components.

Company profile

High Repeat Buyers Choice

Dongtai Ruicheng Electromechanical Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.27h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a combined metal-products manufacturing enterprise focused on wire surface-treatment equipment, with integrated R&D, design, production, sales, installation, commissioning, and after-sales support. It reports broad customization options, documented finished-product inspection instructions, and production equipment including bending, laser cutting, drilling and milling, welding, sawing, and laser engraving machines. Its export experience is limited to one year, with 21%–30% of sales from exports. Service procedures exist, but records are absent or approval documentation is incomplete. No SDK, overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation is reported. Financial records are referenced by year, but no substantive financial results are provided. Environmental and fire-drill information is unknown.

Supplier typeThe supplier is identified as a combined company and a professional manufacturing enterprise for metal wire surface-treatment equipment. Its stated business scope includes sales of metal wire ropes and related products, chemical products excluding licensed chemicals, and technical services.

R&D capabilityThe supplier states that innovation is central to its development and reports a professional design and production team with senior engineers and technical personnel capable of customized solutions. However, it reports no available SDK, and no concrete patents, product innovations, or R&D performance metrics are provided.

Production capacityThe supplier identifies itself as a manufacturer with integrated R&D, design, production, sales, and service functions. Its listed equipment includes bending, laser cutting, drilling and milling, welding, sawing, and laser engraving machines, while its stated service system includes equipment production, installation, and commissioning.

Customization capabilityThe supplier explicitly reports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also states that experienced technical personnel provide customized designs and solutions for varying technical requirements.