What can you purchase from us?

We can offer customized services for galvanized coils, galvanized sheets, galvanized pipes and galvanized profiles.

Why should you purchase from us rather than from other suppliers?

Dongtai Rucheng Mechanical and Electrical Technology Co., Ltd. is located in Yancheng City, Jiangsu Province. It is a professional supplier of surface treatment equipment for metal wire materials. The company has a professional technical team, and its specialized production lines include coil pickling, annealing and heat treatment, electroplating, phosphating and boronizing. Centered on technological innovation, lean management achieves high-quality and efficient operation, providing one-stop se

Customizable High Temperature Pipeline Bar for Industrial Use

Name: Customizable High Temperature Pipeline Bar for Industrial Use
Brand: Dongtai Ruicheng Electromechanical Technology Co., Ltd.
SKU: 2148707532

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-Temperature Resistance: 21-4NWNb Austenitic Heat-Resistant Steel designed for extreme heat and carburization environments.

Customizable Dimensions: Diameter range from 4.50mm to 80.00mm with cut-to-length options to minimize waste.

Tailored Heat Treatment: Options include annealing, solution treatment, quenching, and pre-hardening for specific machining needs.

Precision Surface Finish: Available in polished, peeled, or ground finishes with customized roughness values per requirement.

Strict Quality Control: 100% visual and function inspection with Mill Test Certificate (MTC) 3.1 and EN 10204 compliance.

Versatile Applications: Ideal for engine valves, high-temperature fasteners, boiler components, and petrochemical equipment.

Flexible Tolerances: Standard h11/h9 tolerances available with tighter h8/h7/h6 options for high-precision applications.

Custom Alloy Compositions: Special alloy compositions available upon request to meet unique technical specifications.

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: ≤0.23h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a professional manufacturing enterprise in metal product wire surface treatment, integrating R&D, production, and sales with a focus on innovation and quality. They offer extensive customization services and maintain a procedural approach to quality control and customer service. However, there is no evidence of certification holdings or overseas operational capabilities. The company has been exporting for one year, with 21-30% of sales from exports, but lacks facilities like overseas warehouses or showrooms.

Supplier typeThe supplier is a combined type company specializing in metal products and technical services, focusing on R&D, design, production, and sales.

After-Sales capabilityThe supplier has a comprehensive after-sales service system, responsible for installation, commissioning, and maintenance.

R&D capabilityThe company drives innovation with a professional design and production team, focusing on advanced and stable technology.

Production capacityThe supplier boasts a wide range of manufacturing equipment, including bending, laser cutting, drilling, milling, welding, sawing, and laser engraving machines.

Customization capabilityThe supplier offers extensive customization options, from minor to full customization, based on samples or designs.

Product Q&A

Q:Who are we?

Dongtai Rucheng Mechanical and Electrical Technology Co., Ltd. is located in Dongtai City, Jiangsu Province, China. Our factory has approximately 40 employees.

Q:When is the delivery time?

It depends on your order. It will be delivered within 30 working days after receiving the advance payment.

Q:What are the payment terms?

Payment can be made by telegraphic transfer or by sight draft, and it should be made before shipment.

Q:How can we ensure that customers receive the goods smoothly after making the payment?

Don't worry, dear. We have included trade guarantee. You can place an order through the guarantee system. If we fail to deliver the goods, the deposit will be refunded to you.

Q:How do you ensure the quality of the products?

Don't worry, dear. We have implemented trade protection. If the products you receive have any quality issues, the payment can be refunded to you.