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Stainless Steel Flange F304 F304l F316
Stainless Steel Flange F304 F304l F316
Stainless Steel Flange F304 F304l F316
Stainless Steel Flange F304 F304l F316

Stainless Steel Flange F304 F304l F316

Size range: 1/2" to 80" DN10 to DN2000 Design: welding neck, slip on, blind, socket welding, threaded, lap-joint Pressure: PN2.5,PN6,PN10,PN16,PN25,PN40, class150, class300, class600, class900, class1500, class2500. Wall thickness for welding neck flange: STD, SCH40, SCH80, SCH160. SCHXXS Material: carbon steel , stainless steel ,alloy steel Coating: black paint, yellow transparent paint, cold and hot dip galvanized
Product introduction

Gnee is a leading manufacturer who is specialized in stainless steel seamless pipes , bright annealed tubes , seamless coiled tubing etc . In order to facilitate customers , we have pipe fittings and flanges too . Gnee has the most advanced producing and testing equipment . We can totally satisfy your requirement.


1 . Commodity : Welding Neck , Blind , Slip On , Lap Joint , Socket Weld , Threaded , Spectacle Blind , etc
2 . Surfacing : RF , FF , RTJ
3 . Materials : Stainless Steel , Duplex Steel , etc
4 . Standards : ANSI B16.5 , ANSI B 16.47
5 . Tolerances : according to the specification or customer’s request and drawings
6 . Applications : Pipe connection , Piping project construction etc
7 . Pressure class : 150 - 2500lbs


Basic Information

Material Grade

WP304 , WP304L , WP304H , WP316 , WP316L , WP316Ti , WP309S , WP310S , WP321 ,
WP321H , WP347 , WP347H , F304 , F304L , F304H , F316 , F316L , F310S , F321 etc


1/2" to 48" Sch 5S to XXS


ASTM A403 etc .

Process Method

Forged / Casting

Industry & Advantage


a) Connect pipes


a) High technology ; good surface ; high quality etc

Terms & Conditions

Price Item

FOB , CFR , CIF or as negotiation


T / T , LC or as negotiation

Delivery Time 

30 working days after received your deposit ( Normally according to the order quantity )


Plywood case or as per customer’s requirement

Quality Requirement

Mill Test Certificate will be supplied with shipment , Third Part Inspection is acceptable



100% PMI test ; Size test etc


Main Market

Europe , Middle East , Southeast Asia , South America . Etc

Materials shall be identified in the following ways
(a) Cast flanges shall bemarkedwith theASTMspeci-fication, 1 grade identification symbol (letters and num-bers), and the melt number or melt identification.
(b) Plate flanges and forged flanges shall be marked with the ASTM specification 1 number and grade identi-fication symbol.
(c) Amanufacturermay supplement thesemandatory material markings with his trade designation for the material grade, but confusion of symbols shall be avoided.
(d) For flanges manufactured from material that meets the requirements for more than one specification or gradeof a specification listed inTable 1, seepara. 4.2.8.

1. Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.

2. Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

3. Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.

4. Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.

5. Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.

6. What's your terms of payment?
A: T/T, L/C , Alibaba Trade Assurance available, full protection for your orders.








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