What is the forging tolerance?

The forging tolerance is +/-0.5mm.

What are the main applications for these parts?

They are used for agricultural machinery parts, forged shafts, rings, blocks, flanges, pipe sheets, gear rings, and slewing bearing rings.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payment.

Carbon Steel Seamless Rolled Ring Large Forgings

Name: Carbon Steel Seamless Rolled Ring Large Forgings
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 2146011585

Shanghai, ChinaShanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.

US$200.00-20,000.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

Ring-10

Molding Technics

Pressure Casting

Application

Agricultural Machinery Parts

Material

Steel

Heat Treatment

Quenching

Surface Treatment

Polishing

Forging Tolerance

+/-0.5mm

Standard

GOST

Certification

ISO 9001:2015 & PED

Diameter Range

1000-8000mm

Lead Time

4-8weeks

Customized Drawing

Workable

Machining Type

Rough Machining

Transport Package

Carton with Wooden Pallet

Specification

TUV/ PED 2014/68/EU/GOST

Trademark

DHDZ

Origin

China

HS Code

73261910

Production Capacity

12000 Ton Per Year

Key features

Wide Diameter Range: Customizable diameter range from 1000mm to 8000mm for large forged rings.

Dual Certification: Certified to ASME/ASTM SA/A182 and EN10222-5 or DIN17440 standards.

High Precision Tolerance: Forging tolerance controlled within +/-0.5mm for high accuracy.

Extensive Material Options: Available in 4130, 4140, 4340, 34CrNi3Mo, and other alloy steels.

OEM/ODM Support: Customized drawings are workable; OEM and ODM services available.

ISO 9001 & PED Certified: Meets ISO 9001:2015 quality management and PED safety standards.

Versatile Applications: Suitable for agricultural machinery, flanges, gears, and slewing bearings.

Professional Heat Treatment: Includes quenching and polishing surface treatment for durability.

Company profile

Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2001-06-01 CertifiedNearest Port: Tianjin Port, Shanghai Port, Qingdao PortAverage Response Time: ≤3.27h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. is identified as a Chinese manufacturer of steel flanges and forgings, with operations associated with Dingxiang, Shanxi, and a Shanghai head office. The supplier reports ISO9001:2015, PED, and TUV-related certifications, five production lines, 6–10 quality-control staff, and annual steel forging and flange productivity of 5,000 tons. It offers standardized and customized products, including multiple flange types, rings, shafts, blocks, disks, and other forgings. Export activity reportedly began in 2001, with exports representing 41%–50% of sales and customers in more than 15 countries. Evidence supports production, certification, customization, and international customer experience. However, after-sales capability is only described as an intended quality-related process, innovation evidence is limited to one year of total R&D engineer experience, and financial credibility cannot be assessed from the provided information.

Supplier typeThe supplier is described both as a trading company and as a manufacturer. Its formal entity information identifies Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. as a manufacturer, while its business description states that it manufactures and exports flanges and forgings in China.

CertificationsThe supplier reports an ISO9001:2015 certificate and states that it holds ISO-system, PED, and TUV certifications. Its stated compliance scope includes processes, materials, testing, storage, delivery, and after-sales service, although the specific validity and coverage of each certificate are not provided.

Production capacityThe supplier reports five production lines, 6–10 quality-control staff, 60 employees, and annual production of 5,000 tons of steel forgings and flanges. Its product scope includes large flanges, rings, square forgings, shafts, and related components, supporting a demonstrated manufacturing capability.

Customization capabilityThe supplier explicitly identifies standardization and customization as advantages and lists customized flanges and forgings among its offerings. The product range includes multiple flange configurations and forging forms, directly supporting customization capability.

Client casesThe supplier states that it serves clients in more than 15 countries across the EU, USA, Gulf area, UK, South America, Australia, and Asia, and reports export activity beginning in 2001. The provided trade information also identifies a Ukraine-related buyer record registered in June 2025, although detailed project references or customer performance evidence are not supplied.