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Guangzhou Kingmetal Steel Industry Co., Ltd.

Pipe Fittings, Forged Flange, Steel Flange manufacturer / supplier in China, offering Class 300lb Weld Neck Raised Face Carbon Steel Forged Flange, Long Welding Neck Flanges for Class 150/300/400/600, Carbon Steel Line Pipe API 5l Gr. B and so on.

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Supplier Homepage Product Flanges Class 300lb Weld Neck Raised Face Carbon Steel Forged Flange

Class 300lb Weld Neck Raised Face Carbon Steel Forged Flange

FOB Price: US $1 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $1/ Piece
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Port: Tianjin, China
Production Capacity: 5000tons/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: WAN24
  • Type: Reducing
  • Connection: Flange
  • Size: 1/2"-72"
  • Delivery Time: 15-20days
  • Finish: Black Painting
  • Trademark: kingmetal
  • Specification: A234, A403, JIS ETC...
  • HS Code: 73030010
  • Standard: ASTM
  • Material: Carbon Steel
  • Name: Carbon Flange
  • Payment Term: Tt/LC
  • Brand: Kingmetal
  • Certification: API, ISO
  • Transport Package: in Wooden Case or Wooden Pallet
  • Origin: China
Product Description
Forging or Casting Carbon Steel Flange/ stainless steel flange 

Size: 1/2"-72"

ASTM A105/ A36
ASTM A694 F42/ 46/ 52/ 56/ 60/ 65/ 70
310/F304/304L/F316/F316L, F321, F347.
ASTM A350 LF2/ LF3
Standard: ANSI B16.5, B16.47, MSS SP-44, DIN2627, BS4504, JIS, etc

ANSI 150LBS-2500LBS,
DIN PN6-PN160,
JIS 5K-30K,
HG PN0.25-PN25, PN2.0-PN42.0

Flange Type:
Slip-on, Weld Neck, Socking Welding, Blind, Plate-type etc.

PL Flange

WN Flange

SO Flange

TH Flange

SW Flange

LJ Flange

BL Flange

Sealing Surface Type:
Raised Face, Full Face, Male&Female, Ring Joint Face, Taper Face, Taper Groove Face

Face type

RF(raised face)    M(male face)
FM(female face)      T(tongue face)
G(groove face)       RJ(ring joint face)etc.

Surface Treatment:
Rust-proof Oil, Varnish coated, Black/Yellow Painted, Galvanized

Steel Flange

Flange Material

Carbon steel

ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH

P250GH, P280GHM 16MN, 20MN ,20#

Stainless steel

ASTM A182, F304/304L, F316/316L

Alloy steel

ASTM A182 A182 F12,F11,F22,F5,F9,F91etc.

Flange Standard


Class 150 Flanges-Class 2500 Flanges


6Bar 10Bar 16Bar 25Bar 40Bar


5K Flanges-20K Flanges


6Bar 10Bar 16Bar 25Bar 40Bar


6Bar 10Bar 16Bar 25Bar 40Bar

Flange TYPE

1.Welding neck Flange, 2.Slip on

3.Blind flange 4.Long welding neck flange

5.Lap joint flange  6.Socket welding

7.Threaded flange  8.Flat flange

Flange Surface

Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer, hot-dipped Galvanized, electrical galvanized


Welding, Threaded


Forged, Casting

Flange Size


Flange Package

1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside).

2:As Customers' Requirements

Flange Heat Treatment

Normalizing, Annealing, Quenching+Tempering

Flange Applications

Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry,
Valve industry, and general pipes connecting projects etc.

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