What certifications are provided?

Standard Mill Test Certificates (MTC) 3.1 are provided. Additional certifications like chemical analysis reports are available upon request.

What is the typical hardness condition?

Hardness can be customized. Options include annealed for machining, pre-hardened, or custom quenching and tempering per customer requirements.

Premium High-Precision Suh31 Bars for Automotive Valve Production

Name: Premium High-Precision Suh31 Bars for Automotive Valve Production
Brand: Dongtai Ruicheng Electromechanical Technology Co., Ltd.
SKU: 2152800042

Jiangsu, ChinaDongtai Ruicheng Electromechanical Technology Co., Ltd.

US$4,300.00-6,500.00

1 Ton

Product specifications

Model

Product profile

Type

Alloy Steel Bar

Standard

AISI, ASTM, DIN, JIS, GB, BS

Composition

4cr14ni14W2mo Austenitic Heat-Resistant Steel

Model NO.

4Cr14Ni14W2Mo

Technique

Hot Rolled / Forged / Cold Drawn / Customizable

Shape

Bar

Surface Treatment

Black (as-Rolled) / Polished / Peeled

Special Use

High Temperature & Carburization Resistant Steel

Application

Heat Treatment, Petrochemical Industry

Material Type

4cr14ni14W2mo Austenitic Heat-Resistant Steel

Diameter Range

φ4.50mm-φ80.00mm

Heat Treatment Method

Annealing, Solution Treatment, Quenching

Surface Condition

Smooth, Free of Cracks & Defects

Primary Application

Heat Treatment, Petrochemical Industry

Transport Package

Wooden Box

Specification

Per Customer's Requirement

Trademark

Rui Cheng

Origin

Dongtai City, China

Key features

High-Precision SUH31 Steel: 4Cr14Ni14W2Mo austenitic heat-resistant steel for automotive valves and high-temp applications.

Multiple Surface Finishes: Options include black, polished, peeled, and precision ground surfaces with customized roughness.

Tailored Heat Treatment: Custom annealing, solution treatment, quenching, and pre-hardening to meet specific performance needs.

Superior Machinability: Precision ground stock minimizes post-processing, reduces friction, and ensures consistent performance.

Wide Application Scope: Ideal for engine valves, heat treatment furnace parts, boiler components, and pneumatic systems.

Strict Quality Control: 100% inspection with Mill Test Certificates (MTC) and additional chemical analysis reports available.

Flexible Customization: Full customization from samples or designs, including material composition and special certifications.

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.