ASTM A182 F304/F316 Stainless Steel Flanges Class150-300 Slip-on/Weld Neck Chemical/Food Grade

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Welding Flange
• Model NO.: EN 10222-2
• Material: Stainless Steel
• Structure: Round
• Connection: Welding
• Sealing Surface: RJ
• Manufacturing Way: Forging
• Products: Flat Weld Flanges
• Standard Specifications: ASTM A182, GOST 12820-80, En1092-1, DIN 2573, 2576
• Steel Grades: AISI 304, 304L, 316, 316L
• Main Process: Cold-Formed Seamless
• Unit Leagth: 5800mm-12000mm
• Annual Capacity: 120000 Metric Tons
• Section Shape: Round
• Size: 3/4"-60"
• Ends: Plain Ends
• Delivery: 7-35 Days
• Packgae: Packed by Bundles, Plastic Bags, Wooden Case,etc
• Application1: Oil/Gas Transport,Power Station,Chemical Industry
• Application2: Pipeline Transport, Boiler Pipe, Hydraulic/Automob
• Application3: Dewatering Transport,Marine Construction
• Application4: Pipeline/Pump/Valve Connection
• Transport Package: Seaworthy Package
• Specification: 3/4"-60"
• Trademark: EZ Steel
• Origin: China
• HS Code: 73043110
• Production Capacity: 500000/Year

Product Description

ASTM A182 F304/F316 Stainless Steel Flanges Class150-300 Slip-On/Weld Neck Chemical/Food Grade

 

Product Description

Type	Weld Neck Flange, Lap Joint Flange, Threaded flange, Socket Welding Flange,    Blind Flange,  Slip on Flange .
Material	Stainless steel, Alloy steel. Duplex/Super Duplex, Aluminum
Size	3/4"-60"
Pressure	150#,300#,600#.900#,1500#,2500#
Technics	Forged,
Connection	welding
Sealing surface	FF RF M F M TG  RJ
Surface treatment	Anti-rust Oil,
Producing process	Billet-cutting-forging-heating-lathe-drilling-inspection-marking-packing-export-din flange
Application Fields	Chemical Industry /Petroleum Industry /Power Industry/Metallurgical Industry Building Industry /Ship-building Industry
Supply Capacity	8000tons  per  year
Min Order Quantity	1 ton
Inspection	factory in-house self-check or Third Party inspection
PACKING	plywood cases, pallets, nylon bags or according to the customers' requirements, plastic cap
Delivery	It is generally within 25 days after receiving your payment
TRADE TERM	FOB, CNF&CFR, CIF
PAYMENT	TT or L/C
CERTIFICATES	ISO-9001/2000,PED,ABS.TUV.DNV

 

Product Description

High-quality stainless steel flanges manufactured from ASTM A182 F304/F316 material, designed for high-pressure and corrosive environments in chemical processing, food & beverage, and oil & gas industries. These flanges meet ASME B16.5 and EN 1092-1 standards, ensuring reliable performance in piping systems.

 

Key Features & Specifications

 Material & Standards

• Material Grade:

  • F304 (1.4301): General-purpose stainless steel, excellent corrosion resistance.

  • F316 (1.4401/316L): Superior resistance to chlorides & acids (Mo-added).

• Standards: ASTM A182, ASME B16.5, EN 1092-1 (PN16/PN40).

• Certifications: ISO 9001, PED 2014/68/EU, MTC & EN 10204 3.1.

 Size & Pressure Ratings

• Size Range: 1/2" to 24" (DN15-DN600).

• Pressure Class: 150, 300 (ANSI) / PN10, PN16, PN40 (DIN).

• Types:

  • Slip-On (SO): Easy installation, cost-effective.

  • Weld Neck (WN): High-strength, ideal for critical applications.

 Surface Finish & Treatment

• Smooth Machined Finish (Ra ≤3.2μm).

• Electropolished (Food-grade applications, optional).

• Pickling & Passivation (Enhanced corrosion resistance).

 Performance & Testing

• Pressure Tested: Hydrostatic tested per ASTM A961.

• Corrosion Resistance: Resists acids, alkalis, and chlorides (316L preferred for seawater).

• Temperature Range: -196°C to 800°C (varies by material).

 

Technical Data Sheet (TDS)

Property	F304 Value	F316 Value
Tensile Strength	≥515 MPa	≥515 MPa
Yield Strength	≥205 MPa	≥205 MPa
Hardness (Brinell)	≤201 HB	≤217 HB
Corrosion Resistance	Good	Excellent (Mo-added)

 

Applications

• Chemical Plants: Acid/alkali pipelines, reactors.

• Food & Beverage: Hygienic processing, dairy, brewing.

• Oil & Gas: Refinery piping, offshore platforms.

• Pharmaceutical: Sterile fluid transfer systems.

 

 

 

 

FAQ

Q:  How many days can you deliver after confirmed the order?
A:  For stock:  within 5-7 days;
      For customized product:  around 30 days;
      For special sizes:  subject to negotiation.

Q: How does your company do quality control?
A: ISO 9001:2015 certified;
     Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
    
  
Q: Can I have a factory-visit?
A:  Surely. All customers are welcome to visit us in China.

Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service. 
 

Company Profile

	Business Type:	Manufacturer/Factory
	Main Products:	Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ...
	Registered Capital:	2000000 RMB
	Plant Area:	>2000 square meters
	Management System Certification:	ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD
	Average Lead Time:	Peak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

SGS Serial NO. :

QIP-ASI199413Report Verification

EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.

The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.

Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.
 

CONTACT US
Contact: Rosy Xu
EZ STEEL INDUSTRIAL CO., LTD
Add: No.199,  Xiangfu Road, Yuhua Industrial Zone, Changsha City , P.R China 

Pls. do not hesitate to contact me if you have any questions!

You are warm welcomed to visit our factory!!!

Thank you for visiting our products & Looking forward to hearing from you!