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Forged 304 Stainless Steel Weld Neck Flange , 12 Inch Ansi Class 300 Flange

Categories Forged Steel Flanges
Brand Name: ZZ
Model Number: Stainless Steel 304
Certification: ISO, CE
Place of Origin: CHINA
MOQ: 1 Piece
Price: Negotiable
Payment Terms: T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability: 50000 PCS Per Month
Delivery Time: 10-20 Days
Packaging Details: Cartons and Wooden Cases, LCL, 20ft Container
Material: ASTM A182 F304
Connection: Weld
Technics: Forged
Size: 1/2" - 24"
Pressure: Class 150, 300, 600, 900, 1500, 2500. 150# - 2500#
Standard: ANSI, DIN, JIS, BS, ASME
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Forged 304 Stainless Steel Weld Neck Flange , 12 Inch Ansi Class 300 Flange

Stainless Steel Weld Neck Flange Forged Steel SS304 12" 300# ASME B16.5

Stainless Steel Weld Neck Flange

ISO and CE certified manufacturer of forged steel flanges which supplies Raised Face Weld Neck Flange SS 304 12" 300# Sch 80 ASME B16.5 for Australia Market.

Stainless steel welding neck flanges are available in all pressure ratings and sizes,even though above 24 inch. Thye connect with pipe by butt-welded. Since the large dimaeter range, they are most popular and widely used in all types of flange.Also tainless steel material provide high strength and excellent resistance to stress and corrosive.

Class 300 Weld Neck Flange Dimensions

SizeNPS 1/2" - 24", DN15 - DN600
PressureClass 150, 300, 600, 900, 1500, 2500
StandardASME B16.5
Flange TypesSO, WN, BL, SW, PL, THD, LAPJ Flange, Spectacle Blind, Spade and Spacer
Seal TypesRaised Face, Flat Face, RTJ
Alloy SteelASTM A182 F1, F5, F9, F11, F12, F22, F91
Duplex SteelASTM A182 F51, F53, F55
Carbon SteelASTM A105N, A350 LF2/LF3, A694 F52, F60, F65, F70
Stainless SteelASTM A182 F304/304L, F316/316L, F321, F317,F310, F347

Weld Neck Flange Weight Chart

While transport or ship the weld neck flanges, we will calculate the weight and decide which shipping way, Air, LCL, 20ft or 40ft?That depends on the weight. Here is the weight chart for your easy work.

12" Weld Neck Flange

Marking and Package

  1. The workers marked " WNRF Flange 12 Inch 300# SS304 ASME B16.5" on weld neck flanges.
  2. Surfaced the SS304 flanges with anti-rust oil againest the rust during the shipment.
  3. Use plastic film to coated of all forged steel flanges after anti-rust oil.
  4. Packed 12 inch weld neck flanges on pallets and bundle with packing belts.
  5. Print and stick water proof paper labers on the outside of pallets for easy indentification.


  1. Visual the surface. Such as dents, die marks, porosity, smooth surface.
  2. Check the marking. Such as dimensions, material, face types, pressure, heat No.
  3. Measure the size. Such as diameter,thickness of flange body and raised face.
  4. Test the chemical composition of stainless steel 304 flanges


  • Good Price
  • Best Quality
  • Short Delivery
  • Safe Package
  • Abundant Stock

Stainless Steel 304 Data Sheet

Chemical Composition



Mechanical Properties

Tensile StrengthYield StrengthElongation
515 (Mpa)205 (Mpa)30 (%)
Quality Forged 304 Stainless Steel Weld Neck Flange , 12 Inch Ansi Class 300 Flange for sale
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