This page covers weld neck flange 900# dimensions and weights according to ASME B16.5, as well as dimension ranges and material grades for forged steel flanges.

Weld neck flange has a long tapered hub which goes gradually to the thickness of pipes it connected and provide an important reinforcement. It is widely used in industrial pipe system and suitable for high pressure, sub-zero or elevated temperatures applications.

Zizi is China leading manufacturer and exporter of forged steel flanges and pipe fittings, we have a large number of stocks of weld neck flanges class 900 ASTM A182 F91.

Weld Neck Flange Advantages

• Hard to be deformed
• Great Leak proof
• Good weld-ability
• Extensive apply range
• Weld neck flange 900# withstand high pressure and large temperature fluctuations

Class 900 Weld Neck Flange Dimensions

WN Flange 900# Dimensions

Weld Neck Flange Weight

RFWN Flange Weight

Supply Range of Forged Steel Flanges

RFWN Flange Class 900

Material Grades for Weld Neck Flange 900#

Copper Nickel Alloy WN Flange 900#

Monel 400/ 405/ K500, NICKEL 200/ 201, INCONEL 825/ 600/ 601/ 625, HASTELLOY C 276, UNS C70600, C71500

Stainless Steel Weld WN Flange 900#

ASTM A182 F304/304L/304H, 316/316L/316H, 321, 310/310S, 317,347

Carbon Steel WN Flange 900#

ASTM A105/A105N, A350 LF2/LF3, A694 F52, F65, F70

Alloy Steel WN Flange 900#

ASTM A182 F1, F5, F9, F11, F12, F22, F91

Duplex Steel WN Flange 900#

ASTM A182 F51, F53, F55, F60

Services for Forged Steel Flanges

Quality Control

Offer in-factory inspection and third party inspection, offer MTC for forged weld neck flanges.

Package

Wrapped WN Flange 900# with plastic film, supply wooden cases for small diameter flanges and wooden pallet for larger sizes.

Delivery

Ship or courier

Certificate

CE, ISO, TEST REPORT

The post Weld Neck Flange 900# RF A182 F91 appeared first on Supplier of Quality Forged Fittings-Flanges.

Quality assured Monel Weld Neck Flange is made of top class Nickel Copper Alloy 400 that available in different but precisely sizes.

Weld neck flanges is one of the most commonly used flange type which has a high tapered hub. The high hub reinforced the connection and makes it more stable in high pressure and extreme temperature.

Zizi is an ISO certified manufacturer and exporter, we offer pipe fittings and flanges in stainless steel, carbon steel, duplex stainless steel, Nickel based alloy and Titanium alloy.

Weld Neck Flanges Class 300 Dimensions

Standard: ASME B16.5

Diameter: 5”

Wall thickness: Class 300

Seal face: Raised Face

Schedule: Sch 40

Material: ASTM B366/ B564 Monel 400

Solution: Solid solution

Weld Neck Flange Class 300 Dimensions

What is Monel 400 Flange?

Monel 400, also known as Alloy 400, UNS N04400, is a kind of copper nickel alloy that contains 65Ni-34Cu. It was the first nickel based alloy to be applied that has great resistant to acid and stress corrosion.

Monel 400 flange suits for many industrial applications such as sea water desalination, effluent treatment, Nuclear power generation, petroleum, chemicals and food industry, etc.

5 Monel 400 Weld Neck Flange

Features of Monel Weld Neck Flange

• Anti-rust
• Antioxidant
• High temperature resistance
• Acid & Alkalis corrosion Resistance
• Good mechanical properties

Shipment of Monel Weld Neck Flange

Delivery Port: Shanghai, Tianjin, Qingdao

Lead Time: 10 Days are ready for MONEL 400 FLANGE

Package: Plastic bag, carton cases and wooden box.

Document: BL, CI,CO, MTC, PL

Certificate: CE, ISO, TEST REPORT

Specification of Forged Flanges

Flange Types

• Slip On Flange
• Threaded Flange
• Socket Weld Flange
• Blind Flange
• Lap Joint Flange
• Weld Neck Flange

The post Monel Weld Neck Flange Alloy 400 appeared first on Supplier of Quality Forged Fittings-Flanges.

As a pioneer and leader in the manufacturing industry, Zizi supplies 2 1/2″ Sch 160 ASTM A182 F51 WN Flange RTJ API 6A-6BX for oil project.

Duplex Stainless steel weld neck flange is used in high pressure applications, provides supporting strength along with stress distribution. It is highly durable, crevice corrosion prevent and mechanical strength, as well as good weld-ability. API 6A-6BX flanges are common used in oilfield surface drilling and production.

A182 F51 Weld Neck Flange Dimensions

Size: 2 1/2 inch

Pressure: 10000PSI

Seal Type: RTJ

Seal Schedule: SCH160

Standard: API 6A-6BX

A182 F51 Weld Neck Flange Dimensions

API 6A Forged Flanges

Inspection

Inspecting Duplex Steel Forged Pipe Flange according to AP1 6A Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

ASTM A182 F51 WN FLANGE Chemical Composition

ASTM A182 F51 WN FLANGE Mechanical Properties

Duplex Stainless F51 Pipe Flanges

Surface Treatment

All duplex stainless steel forged flanges are normalized heat treatment before delivery.

Flange Dimensions

DN65 A182 F51 WN Flange

Package

Packed 2 1/2 Inch ASTM A182 F51 WN Flanges into wooden case.

ASTM A182 Forged Flanges & Fittings

Shipping

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post A182 F51 WN FLANGE appeared first on Supplier of Quality Forged Fittings-Flanges.

As a pioneer and leader in the manufacturing industry, Zizi supplies Class 1500 WN RTJ Flange 2 Inch ASTM A105N Sch160 ASME B16.5 to Paraguay market.

Welding Neck flanges, available in all pressure ratings and sizes, are butt-welded to the end of the pipe, and are usually specified when service conditions are severe and excellent workmanship necessary. Since the inside diameter of the flange must match that of the pipe, the flange bore should be specified in ordering

Class 1500 Weld Neck Flange Dimensions

Size: 2 Inch

Seal Thickness: Sch 160

Material: ASTM A105N

Standard: ASME B16.5

2 Inch Forged Flange

Package

Put all 2 Inch ASTM A105N Flanges into wooden cases and make list

Class 1500 Weld Neck Flange Package

ASME B16.5 Forged Flange

Inspection

Inspecting ASTM A105 Forged Flange according to ASME B16.5 Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

ASTM A105 Weld Neck Flange Inspection

Flange Dimensions

Forged Class 1500 WN Flange

Surface Treatment

Normalizing Heat Treatment

We will use anti-rust oil or black primer on all carbon steel weld neck flanges before delivery.

Forged Fittings and Flanges

Shipping 

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post Class 1500 WN Flange ASTM A105N appeared first on Supplier of Quality Forged Fittings-Flanges.

As a pioneer and leader in the manufacturing industry, Zizi supplies 10 Inch Sch 40 ASTM A350 LF2 CL1 WN Flange RF Class 150 ASME B16.5  for Dominica.

Welding Neck flanges, available in all pressure ratings and sizes, are butt-welded to the end of the pipe, and are usually specified when service conditions are severe and excellent workmanship necessary. Since the inside diameter of the flange must match that of the pipe, the flange bore should be specified in ordering

A350 LF2 Weld Neck Flange Dimensions

Size: 10 inch

Pressure: Class 150

Seal Type: RF

Seal Schedule: SCH40

Standard: ASME B16.5

A350 LF2 Weld Neck Flange Dimensions

ASME B16.5 Forged Flanges

Inspection

Inspecting Low Temp Carbon Steel Forged Flange according to ASME B16.5 Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

ASTM A350 LF2 Chemical Composition

ASTM A350 LF2 Mechanical Properties

LTCS LF2 Pipe Flanges

Surface Treatment

All LTCS forged flanges are normalized heat treatment before delivery.

Flange Dimensions

10 Inch Steel Flange Fittings

Package

Packed 10 Inch ASTM A350 LF2 WN Flanges into wooden case.

ASTM A350 Forged Flanges 

Shipping

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post A350 LF2 CL1 WN Flange 150LB appeared first on Supplier of Quality Forged Fittings-Flanges.

As a top of low temp carbon steel flange manufacturer, Zizi supplies 1 1/2 Inch WN RF Flange 600 LB A350 LF2 ASME B16.5 for Chile market.

Welding Neck flanges, available in all pressure ratings and sizes, are butt-welded to the end of the pipe, and are usually specified when service conditions are severe and excellent workmanship necessary. Since the inside diameter of the flange must match that of the pipe, the flange bore should be specified in ordering

600 LB Weld Neck Flange Dimensions

Size: 1 1/2 Inch

Seal Type: Raised Face

Material: ASTM A350 LF2

Standard: ASME B16.5

1 1/2 Inch Forged Flange

Package

Put all 1 1/2 Inch ASTM A350 LF2 WN Flanges into wooden cases and make list

600 LB Weld Neck Flange Package

ASME B16.5 Forged Flange

Inspection

Inspecting ASTM A350 LF2 Forged Flange according to ASME B16.5 Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

ASME B16.5 Weld Neck Flange Inspection

Flange Dimensions

Forged 600 LB WN Flange

Surface Treatment

Normalizing Heat Treatment

We will use anti-rust oil or black primer on all low temp carbon steel weld neck flanges before delivery.

LTCS Fittings and Flanges

Shipping 

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post 600 LB Weld Neck Flange A350 LF2 appeared first on Supplier of Quality Forged Fittings-Flanges.

Top quality manufacturer of forged fittings and flanges Zizi supplies ASTM A105 14 Inch Galvanized Weld Neck Flange RF 150# ASME B16.5 for Chile Market.

Welding Neck flanges, available in all pressure ratings and sizes, are butt-welded to the end of the pipe, and are usually specified when service conditions are severe and excellent workmanship necessary. Since the inside diameter of the flange must match that of the pipe, the flange bore should be specified in ordering

Galvanized Weld Neck Flange Dimensions

Size: 14 Inch

Pressure: 150#

Seal Type: RF

Material: ASTM A105

Standard: ASME B16.5

Raised Face Flanges

Package

Lining up the 14 Inch RF Flanges in free fumigation wooden pallet.

ASME B16.5 Pipe Flange

Inspection

Inspecting Long WN Flange according to ASME B16.5 Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

Galvanized Weld Neck Flange Inspection

Flange Dimensions

Galvanized Long Weld Neck Flange

Surface Treatment

All carbon steel forged pipe flanges are normalized treatment and hot dip galvanized before delivery.

Hot Dip Galvanized Fittings and Flanges

Shipping 

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post Galvanized Weld Neck Flange ASTM A105 appeared first on Supplier of Quality Forged Fittings-Flanges.

Top quality manufacturer of forged fittings and flanges Zizi supplies ASTM A105 FF Weld Neck Flange 150# Sch XXS STL DN25 for Brazil Market.

Welding Neck flanges, available in all pressure ratings and sizes, are butt-welded to the end of the pipe, and are usually specified when service conditions are severe and excellent workmanship necessary. Since the inside diameter of the flange must match that of the pipe, the flange bore should be specified in ordering

FF Weld Neck Flange Dimensions

Size: 14 Inch

Pressure: 150#

Seal Thickness: XXS

Material: ASTM A105

Standard: ASME B16.5

ASTM A105 Flanges

Package

Lining up the DN25 ASTM A105 Flanges in free fumigation wooden cases.

ASME B16.5 Pipe Flange

Inspection

Inspecting Long WN Flange according to ASME B16.5 Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

FF Weld Neck Flange Inspection

Flange Dimensions

Long FF Weld Neck Flange

Surface Treatment

All carbon steel forged pipe flanges are normalized treatment and surfaced with anti rust oil or black primer before delivery.

Forged Fittings and Flanges

Shipping 

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post ASTM A105 FF Weld Neck Flange appeared first on Supplier of Quality Forged Fittings-Flanges.

As a professional and leading manufacturer in carbon steel flange fittings, Zizi supplies ASTM A105 WN Flange 150# RF XS Bore STL DN900 for Ho Chi Minh.

Welding Neck flanges, available in all pressure ratings and sizes, are butt-welded to the end of the pipe, and are usually specified when service conditions are severe and excellent workmanship necessary. Since the inside diameter of the flange must match that of the pipe, the flange bore should be specified in ordering

A105 Weld Neck Flange Dimensions

Size: DN900

Pressure: 150#

Seal Type: RF

Seal Schedule: SCH XS

Standard: ASME B16.5

A105 Weld Neck Flange Dimensions

ASME B16.5 Forged Flanges

Inspection

Inspecting Carbon Steel Forged Flanges according to ASME B16.5 Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

ASTM A105 Chemical Composition

ASTM A105 Mechanical Properties

Forged A105 Pipe Flanges

Surface Treatment

All carbon steel forged flanges are normalized heat treatment before delivery.

Pipe Flange Dimensions

DN900 Steel Flange Fittings

Package

Packed DN900 ASTM A105 Weld Neck Flanges into wooden pallet.

Forged Flanges and Fittings 

Shipping

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post ASTM A105 Weld Neck Flange RF appeared first on Supplier of Quality Forged Fittings-Flanges.

Attractive price from quality manufacturer Zizi which supplies 6 Inch Sch 40 ASTM A182 F304 WN Flange RF 150 LB ASME B16.5 for Qatar project.

Welding Neck flanges, available in all pressure ratings and sizes, are butt-welded to the end of the pipe, and are usually specified when service conditions are severe and excellent workmanship necessary. Since the inside diameter of the flange must match that of the pipe, the flange bore should be specified in ordering

A182 F304 Weld Neck Flange Dimensions

Size: 6 inch

Pressure: 150 LB

Seal Type: RF

Seal Schedule: SCH 40

Standard: ASME B16.5

A182 F304 Weld Neck Flange Dimensions

ASME B16.5 Forged Flanges

Inspection

Inspecting Stainless Steel Forged Pipe Flange according to ASME B16.5 Standard.

QA/ QC person visual check surface and marking, and measure the size.

Third party inspection: BV, SGS, LR, DNV, ABS and Stamp the mill test certificate.

ASTM A182 F304 Chemical Composition

ASTM A182 F304 Mechanical Properties

Stainless Steel F304 Pipe Flanges

Surface Treatment

All stainless steel forged flanges are normalized heat treatment before delivery.

Raised Face Flange Dimensions

6 Inch Pipe Flange Fittings

Package

Packed 6 Inch ASTM A182 F304 WN Flanges into wooden case.

ASTM A182 Forged Flanges & Fittings

Shipping

Delivery port: Shanghai, Tianjin, Qingdao

Lead time: 10 days are ready to deliver

Shipment: LCL, 20GP, 40GP, Air, Courier

Document: CI, PL, CO, BL, MTC

Certificate: CE, ISO, TEST REPORT

Export Country

Asia: Vietnam, Singapore, Thailand, Indonesia, Malaysia, Philippines, Kazakhstan.

Africa: Nigeria, Madagascar,Ghana, Kenya, Angola, Tanzania, South Africa.

Middle East: Saudi Arabia, Qatar, Israel, Egypt, Oman, Yemen, Jordan, Lebanon.

Latin America: Uruguay, Peru, Chile, Brasil, Ecuador, Colombia, Argentina, Paraguay

Oceania: Papua New Guinea, Australia, New Zealand, Solomon Islands, Fiji.

Europe: Greece, UK, Poland, Ukraine, France, Spain, Portugal, Norway, Sweden

The post ASTM A182 F304 WN Flange 150LB appeared first on Supplier of Quality Forged Fittings-Flanges.