What is the lead time for production?

The lead time is within 15 workdays during the off-season and one month during the peak season.

What heat treatment options are available?

We provide Normalize, Quench, Tempering, Annealing, and Solution Annealed heat treatments.

What is the forging tolerance?

The forging tolerance is controlled within +/-0.5mm.

High Quality Steel Large Size Forged Ring Wind Power Flange

Name: High Quality Steel Large Size Forged Ring Wind Power Flange
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 2123425285

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

US$1,000.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Molding Technics

Gravity Casting

Application

Agricultural Machinery Parts

Material

Steel

Heat Treatment

Quenching

Surface Treatment

Polishing

Forging Tolerance

+/-0.5mm

Standard

ASME

Certification

ISO 9001:2015 & PED

Transport Package

Plywood Case/Brandrith

Specification

TUV

Trademark

DHDZ

Origin

China

HS Code

73261910

Production Capacity

100 Metric Tons/Month

Key features

Wide Size Range: Max size up to 8000mm diameter, 7000mm width, and 10000mm length.

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

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

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

Custom OEM/ODM Service: Supports customized manufacturing with dedicated R&D engineers.

Versatile Heat Treatment: Options include Normalizing, Quenching, Tempering, and Annealing.

Large Capacity Production: Max weight capacity up to 9000kg per piece for heavy-duty needs.

ISO & PED Certified: Meets ISO 9001:2015 quality standards and PED-AD 2000 requirements.

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: ≤3.58h 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.

Product Q&A

Q:What materials are available for the forged rings?

We offer a wide range of materials including 4130, 4140, 4317, 4142, 4340, UNS440, 34CrNi3Mo, 25Cr2Ni4MOV, 18CrNiMo5, 30CrMo, 9Cr2Mo, 9Cr2W, 9Cr3Mo, and 60CrMoV.

Q:What is the maximum size and weight capacity?

The maximum size is 8000mm diameter x 7000mm width x 10000mm length, with a maximum weight of 9000kg per piece.

Q:Do you support OEM and ODM services?

Yes, we provide both OEM and ODM services with 1 R&D engineer to support customized manufacturing needs.

Q:What certifications does the product have?

The product is certified under ISO 9001:2015, PED-AD 2000-Merkblatt W0, and dual certified to ASME/ASTM SA/A182 and EN10222-5 or DIN17440.

Q:What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.