ASME B16.5 A105/A105n Carbon Steel Flange Wn

• Standard: ANSI, DIN, GB, JIS, GOST
• Type: Welding Flange
• Material: Carbon Steel
• Structure: Round
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Surface: Black Oiled/Varnish/Golden
• Types: Long / Short Weld Neck
• Quality Control: Dimension/Visual
• Mtc: En10204 3.1 or 3.2 on Request
• Transport Package: Wooden Case/Pallet or as Customers′ Requirement
• Specification: DN10-1600
• Trademark: KINGMETAL
• Origin: China
• HS Code: 730721
• Production Capacity: 3000ton/Month

Product Description

ASME B16.5 A105/A105n Carbon Steel Flange WN

A weld neck flange, also called a tapered hub flange or high-hub flange, is a kind of flange that can relocate stress to the pipes, ensuring a decrease in high-stress concentration at the bottom of the flange. There are two welding neck flanges designs - the first type is used with wipes while the second, longer type cannot be used with pipes but with a process plant. The weld neck flange comprises of a round fitting that extends beyond the rim of the circumference. These flanges, typically manufactured from forging, are actually welded to pipes.

The rim has numerous holes drilled into it that enables the flanged to be attached to a bolted flange. This design is far better because of the structural valve.

ASTM A105 welding neck flanges inclusing ASME B16.5 WN flanges and ANSI B16.47 WN flanges.  

Weld neck flange (WN flange RF) is the most popular flange type, there is a neck extension with a weld bevel at the end. The WN flange is designed to butt weld to a pipe end directly, to provide a superior and relatively natural form connection. In larger sizes and higher pressure classes, this is almost exclusively the type of flange connection utilized.

Common outer diameters: 1/2", 2", 3", 4", 6", 8", 10", 12" to 24".
Special made outer diameters: up to 60".
Class range: Class 150, 300, 400, 600, 900, 1500, 2500(# or LB). PN 2.5 to PN 250.
Flange face type: RF (Raised Face), RTJ (Ring Type Joint)

Standards for WN flanges:
ASTM A105 for carbon steel welding neck flanges.
ASTM A182 for alloy and stainless welding neck flange. (Alloy for F11, F22, stainless for F304/F304L, F316/F316L)
ASME B16.5
ASME B16.47
BS 3293
DIN 2630 PN 1 and PN 2.5, 2631 PN 6, 2632 PN 10, 2634 PN 16, 2634 PN 25, 2635 PN 40
Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.
Why choose us?
One-Stop Solution
We have thousands of total production experience, from raw materials to finished products.
Competitive Price
Large scale purchase, standardized production process and efficient management make our price competitive.
Quick Shipping
Years of export experience enable us to control the transportation time more accurately.
Quality Control
The standardized production process, comprehensive management system, professional testing equipment
Special material customization
We support the customization of various complex materials
OEM/ODM
We support any form of OEM/ODM customization requirements.