904L Flanges

  • 904L Flanges
  • 904L Flanges
904L Flanges
  • china
  • 20-35 days
  • 100-150 Tons/month

Super Duplex Steel F55 Flanges is a kind of special stainless steel flanges. It is a kind of high alloy stainless steel with high nickel, high chromium and high molybdenum, which is different from the ordinary stainless steel 304 in chemical composition.

Secondly, compared with 304, Super Duplex Steel F55 Flanges have better resistance to high temperature or corrosion, which can not be replaced by 304. In addition, from the classification of stainless steel, the metallographic structure of special stainless steel is a stable austenite metallographic structure.

904L Flanges

Gerneral Products Introduction

904L Flanges
Materials904L, 304H, 254SMO and other grades
Materials StandardsANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC
Flanges Types

Slip on welding flange,

Welding necK flange,

Socket welding flange,

Threaded flange,

Lapped joined flange,

Blind flange,

Spectacle blind,etc

Manufacturing Standards

ANSI B16.5 

ANSI B16.47 


ANSI B16.36 

ANSI B16.48


ThicknessSTD, SCH40, SCH80, SCH160. SCHXX
Pressure gradeClass150,Class300,Class600,Class900,Class1500,Class2500
Applicationpetroleum, chemical, shipbuilding, metallurgy, electricity and mechanical industries
RemarksAs customers request
PackageSeaworthy Plywood Cases or pallet or as per customers requirement
Delivery time15-35 days
MarketsEurope, US, North America and Asia

Quality Control

Boberry Material Co.,Ltd. Stickily follow the quality management system ISO 9001 specification, and do a good job of trace ability follow-up from raw material, manufacturing processes, inspection, package to shipment.

904L Flanges are our advantage products, our modern testing facilities is the key quality guarantee. we have PMI test equipment, the latest size measuring instrument, and experienced inspectors for carrying out PT, MT, UT, RT and VT, meanwhile we can offer mill test report with 3.1 or 3.2 as customers requirements.

Other Information

1, If upto our minimum production quantity, for 904L Flanges, we accept customized specification as drawings

2, Payment terms: 30% deposit, the balance aganist with the copy of B/L

                              100% L/C at sight

3, Delivery terms: FOB,CFR,CIF

The optimal solution
We will always choose the most appropriate process for each forging item, in order to manufacture product of stable quality during the shortest leading time. We guarantee our delivery product has the longest service life of similar products while at low cost to the extremely....more
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