What certifications are provided?

We provide Mill Test Certificate (MTC) 3.1 and additional certifications upon request.

Custom Diameter Martensitic Steel Bar for High-Temperature Applications

Name: Custom Diameter Martensitic Steel Bar for High-Temperature Applications
Brand: Dongtai Ruicheng Electromechanical Technology Co., Ltd.
SKU: 2153512762

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, GB, GB/T 1221, DIN En 10269, ASTM A108

Composition

5cr9si3 Martensitic Heat Resistant Valve Steel

Model NO.

5Cr9Si3

Technique

Hot Rolled / Cold Drawn / Customizable

Shape

Bar

Surface Treatment

Black as-Rolled, Pickled, Polished, Bright Ground

Special Use

High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel, Heat Resistant Valve Steel

Application

Automotive Engine Valves & Exhaust Parts

Material Type

5cr9si3 Martensitic Heat Resistant Valve Steel

Diameter Range

φ4.50mm-φ80.00mm

Heat Treatment Method

Annealing, Solution, Quenching & Tempering

Surface Condition

Smooth, Free of Cracks & Defects

Primary Application

Auto Engine Valves, Industrial High-Temp Parts

Transport Package

Wooden Box

Specification

Per Customer's Requirement

Trademark

Rui Cheng

Origin

Dongtai City, China

Key features

High-Temp Resistance: 5Cr9Si3 martensitic steel for high temperature strength and oxidation resistance.

Versatile Applications: Ideal for automotive engine valves, exhaust parts, and industrial pneumatic tools.

Flexible Heat Treatment: Options include annealing, solution, quenching, and tempering to suit needs.

Strict Quality Control: 100% inspection with Mill Test Certificate (MTC) and trade guarantee.

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: ≤0.06h 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.