Round Forged Carbon Steel Ring 4140

Welcome to SYI Group

Forged Steel Ring

1, About Our Forged Steel Ring:

• JIS B2220

 2,About SYI Group Information :  

• Introduction

SYI manufactures a full range of forged steel pressure flanges, which are manufactured in accordance
with DIN, BS, ANSI, AS, JIS and other industry standards. Whenever you need special flanges i.e. high
alloy, low temperature, high strength, high pressure, specialized dimensions and etc.

- SYI Flange is your answer!

We have manufactured flanges for over 20 years. SYI specializes in supplying specialty flanges to the
world's most demanding industries - Oil and Gas Exploration and Production, Oil Refining and
Processing, Petrochemical, Chemical, Plumbing and HVAC.

By using the most modern equipments combined with the latest technology in forging, SYI Flange
illustrates its commitment and longevity in the industry. With forging, plate cutting and bending, we
are able to manufacture flanges from sizes DN10 to Dn5000.

Our trained technicians, operational managers and production staff assure only quality flanges worthy
of the SYI trademark. SYI is certified to the quality standard ISO 9001 : 2000. We are approved by
many end-users worldwide.

 3,About SYI Flanges : 

• Manufacture Process

Forged Steel Ring such as Production process : raw material--cutting--heating--forging--heat treatment--maching--inspection- 

washing-packaging-ex.

• Quality Control

Forged Steel Ring quality control

• Flanges

Forged Steel Ring  such as different types of flanges  

   4,We Are Certified !

More certification ... (Contact us)

5,Contact SYI Group :

SYI Industrial Co., Ltd.

1. Email: info# (# = @)

2. Tel: 0086 351 4182605

3. Fax: 0086 351 4040962

4.Website:

You will get our quick reply!

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Best regards