What is the forging tolerance?

The forging tolerance is strictly controlled at +/-0.2mm.

What are the main applications for these forgings?

They are widely used in water works, shipbuilding, petrochemical & gas industry, power industry, valve industry, and general pipe connecting projects.

Gear Blank Forging Bushing Ring Forging Wheel Gear Forged ISO Standard

Name: Gear Blank Forging Bushing Ring Forging Wheel Gear Forged ISO Standard
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 2101634315

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

US$50.00-5,000.00

1 Piece

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Molding Technics

Gravity Casting

Application

Machinery Parts

Material

Steel

Heat Treatment

Normalizing

Surface Treatment

Polishing

Forging Tolerance

+/-0.2mm

Standard

ASTM

Certification

ISO 9001:2015

Standand

ASTM A370, API 16A

Testing Report

Mtc, Ht, Dimension Report, En 10204, 3.1

Materials

Carbon Steel, Stainless Steel, Alloy Steel

Lead Time

10-25 Working Days

Transport Package

Plywood Case/Brandrith

Specification

TUV/ PED 2014/68/EU

Trademark

DHDZ

Origin

China

HS Code

73261910

Production Capacity

1000 Tons/Month

Key features

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

Wide Material Range: Available in Carbon, Stainless, and Alloy steels including 4130, 4140, 4340, etc.

Customization Support: Supports customization with drawings and various testing reports (MTC, HT, etc.).

ISO 9001 Certified: Manufactured under ISO 9001:2015 system with TUV and PED certificates.

Fast Lead Time: Off-season lead time within 15 workdays; peak season within one month.

High Precision: Forging tolerance maintained at +/-0.2mm for high-quality precision parts.

Comprehensive Standards: Meets ASME, JIS, DIN, GB, BS, EN, and other international standards.

Experienced Manufacturer: Nearly 20 years experience with clients in EU, USA, Gulf, and Asia.

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: ≤1.67h 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.