GOST12821-80 CT20 Carbon Steel Weld Neck Flange

• Customization: Available
• Standard: GOST
• Type: Welding Flange
• Model NO.: DN250
• Material: Carbon Steel
• Structure: Round
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Surface Coating: Black Painting/Yellow/Zinc
• Pressure Rating: Pn0.1/0.6/1.0/5/6/10 MPa
• Quality Guarantee: 100% Ut Passed
• Mill′s Certificate: En10204 3.1
• Transport Package: Wooden Case or Pallet
• Specification: from dn15 to dn1600
• Trademark: OEM/KM
• Origin: China

Product Description

GOST 12821-80 CT20 Weld Neck Flange

Gost flange is a flange system that is from Russia. GOST, is a reference to a set of technical standards, that have been maintained by the Euro-Asian Council for Standardization, Metrology and Certification (EASC) as well as  a regional standards organization operating under the patronage of the Commonwealth of Independent States (CIS).
The GOST12821-80 Welding neck Flanges have welded necks which hold the pipes in place during welding, widely used in high pressure, high temperature applications such as heat exchangers, power generation plants, super heaters, oil and gas and other various industrial applications. 
Specification

Popular Types	Socket Weld Ring Flange (SWRF), GOST Threaded Ring Flange, GOST Blind Ring Flange (BLRF), GOST Weld Neck Ring Flange (WNRF), GOST Slip-On Ring Flange (SORF), GOST Ring Type Joint Flange (RTJF), GOST Lap Joint Ring Flange (LJRF), GOST
Standards	Gost12821-80
Materials	steel 3сп, 20, 25, 09Г2С, 10Г2, 15Х5М, 12Х18Н10Т,gost CT20
Dimensions	From DN15 to DN1600
Pressure Class	PN 0,1-0,6; 1,0-6,3; 10; 16; 20 MPa
Face Type	Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Test	Hydrostatic testing machine/ Ultrasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Mill's certificate	EN10204 3.1
Marking	Buyer's or seller's logo/standard/material/dimension/heat no
Packing	In wooden case or pallet depends on weight
Lead time	3 days for stock, 15-20days for fresh production depends on quantity
Payment term	30% in advance, balance against packing list, commercial invoice, mill's test certificate and pictures of inspection.

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.