What materials are available for these flanges?

We supply Stainless Steel, Heat-resistant steel, Bearing steel, and Gear steel forgings.

What is the warranty or quality guarantee?

Our factory is ISO9001:2015 certified and holds TUV/PED licenses for quality assurance.

How are the products packaged for export?

We use standard export packaging including plywood cases, pallets, or iron frames.

Stainless Steel Slip on Socket Weld Lap Joint RF FF Flange

Name: Stainless Steel Slip on Socket Weld Lap Joint RF FF Flange
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 2136019355

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

US$30.00-5,000.00

1 Piece

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW

Type

Welding Flange

Model NO.

SO-10

Material

Carbon Steel

Structure

Flanges

Connection

Welding

Sealing Surface

RF, FF, Rtj

Manufacturing Way

Forging

0.5~24

Inch

Certificates

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

Lead Time

10-25days

Color

Metal Color, Black or Golden or as Requested

Transport Package

Plywood Case/Brandrith

Specification

0.25''~56''

Trademark

DHDZ

Origin

China

HS Code

73079100

Production Capacity

12000 Ton / Year

Key features

Customizable Color Options: Available in Metal Color, Black, Golden, or as requested by customers.

Wide Standard Compliance: Meets ANSI, DIN, GB, JIS, GOST, BSW, and other international standards.

Comprehensive Certification: Includes HT, MTC, EN3.1, CO, and non-destructive testing reports.

Fast Lead Time: Production completed within 10-25 days depending on order volume.

OEM and ODM Services: Full customization available with customer drawings and specifications.

ISO and TUV Certified: ISO9001:2015 certified with TUV/PED pressure vessel manufacturing license.

Diverse Material Selection: Offers Stainless Steel, Heat-resistant, Bearing, and Gear steel options.

Robust Export Packaging: Standard export packaging includes plywood cases, pallets, or iron frames.

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: ≤18h 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.