What is the forging tolerance for these flanges?

The forging tolerance is strictly controlled at +/-0.5mm to ensure precision and quality.

What types of flanges can you manufacture?

We produce weld neck, high neck, long high neck, threaded, loose, lap, blind, flat, orifice, wind power flanges, and various special-shaped forgings.

What are the payment terms?

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

Special Flanges Forged Custom Flange Customization Flanges

Name: Special Flanges Forged Custom Flange Customization Flanges
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 1950332912

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

US$30.00-5,000.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

FLGMG

Molding Technics

Open-Die Forging

Application

Machinery Parts

Material

Steel

Heat Treatment

Quenching

Surface Treatment

Polishing

Forging Tolerance

+/-0.5mm

Standard

ASME

Certification

ISO 9001:2015

Materials

CS, Ss, Dss, Alloy Steel

Certificates

Ht, Mtc, En3.1, Co, etc..

Color

Metal Color, Black or Golden or as Requested

Lead Time

10-25days

Transport Package

Plywood Case/Brandrith

Specification

20-3000

Trademark

DHDZ

Origin

China

HS Code

73079100

Production Capacity

12000 Ton / Year

Key features

Custom Material Options: Available in CS, SS, DSS, and Alloy Steel based on request.

Custom Color Selection: Metal Color, Black, Golden, or customized as requested.

Wide Standard Compliance: Meets ASME, GB, ANSI, JIS, DIN, BS, EN, GOST, and more.

Strict Forging Tolerance: Precision forging with a tolerance of +/-0.5mm.

Comprehensive Certifications: ISO 9001:2015, TUV/PED, and 3.1/3.2 certificates available.

Extensive Product Range: Weld neck, blind, threaded, flanges, rings, shafts, and more.

Fast Lead Time: Production lead time ranges from 10 to 25 days.

OEM/ODM Service: Supports custom flanges with drawings and OEM/ODM services.

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 flanges?

We offer Carbon Steel (CS), Stainless Steel (SS), Duplex Stainless Steel (DSS), and Alloy Steel. Specific grades include ASTM A182 F304/F316, 2205, 2507, and various heat-resistant or bearing steels.

Q:Can you produce custom flanges based on drawings?

Yes, we support OEM and ODM services. We can manufacture custom flanges according to customer drawings and specific requirements.

Q:What international standards do your flanges comply with?

Our products comply with ASME, GB, American, ANSI, Japanese, JIS, German, DIN, British, BS, European, EN1092, Russian, and GOST standards.

Q:What is the lead time for production?

The typical lead time is 10-25 days. During peak season, it may take one month, while off-season lead time is within 15 workdays.

Q:What certifications are provided with the products?

We provide ISO 9001:2015 certification, TUV/PED pressure vessel manufacturing license, and can issue certificates of conformity, non-destructive testing, 3.1/3.2 certificates, and certificates of origin.