What certifications are provided?

We provide Mill Test Certificates (MTC) compliant with EN 10204 standards.

What is the warranty period?

We provide a comprehensive 2-year warranty for all our mechanical equipment.

Precision Engineering Bar: Customizable Solution for Metallurgy Needs

Name: Precision Engineering Bar: Customizable Solution for Metallurgy Needs
Brand: Dongtai Ruicheng Electromechanical Technology Co., Ltd.
SKU: 2155715732

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, GB

Composition

21-4nwnb Austenitic Heat-Resistant Steel

Model NO.

21-4NWNb

Technique

Hot Rolled

Shape

Bar

Surface Treatment

Black (as-Rolled) / Polished / Peeled

Special Use

High Temperature & Carburization Resistant Steel

Application

Heat Treatment, Petrochemical Industry

Material Type

21-4nwnb 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-Temp Resistance: 21-4NWNb steel resists high temperatures and carburization for harsh environments.

Precision Ground Finish: Superior surface finish minimizes post-processing and ensures dimensional accuracy.

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

Versatile Applications: Ideal for engine valves, petrochemical equipment, and industrial furnace parts.

Certified Quality: Compliant with EN 10204 standards with Mill Test Certificates (MTC) available.

Tight Tolerance Options: Tighter tolerances (h8/h7/h6) available for high-precision cold drawn or ground bars.

Custom Heat Treatment: Options include annealing, solution treatment, quenching, and tempering.

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.