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Stainless Steel Forged Flange ASTM A182 F347 UNS NO34700 Nuclear Power

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Stainless Steel Forged Flange ASTM A182 F347 UNS NO34700 Nuclear Power

Brand Name : YUHONG

Model Number : UNS NO 34700

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015

Place of Origin : CHINA

MOQ : 500kgs

Price : negotiation

Payment Terms : T/T, L/C at sight

Delivery Time : Depends on quantity

Packaging Details : PLYWOOD CASE

Supply Ability : 10000 tons per month

TYPE : WNRF,BLRF

SIZE : 1/2" TO 8"

WT : Sch10s To XXS

STANDARD : ASTM A182

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Stainless Steel Forged Flange ASTM A182 F347 UNS NO34700 Nuclear Power

Overview

ASTM A182 F347 This steel is resistant to high-temperature corrosion and oxidation in the temperature range of 400~900℃, and can be used for pipe fittings with a working temperature of up to 850℃. In acid, alkali, salt liquid have good corrosion resistance, in the air below 800 ℃ has good oxidation resistance and weldability. With excellent high temperature stress breaking (Stress Rupture) performance and high temperature resistance to latent change performance (Creep Resistance) stress mechanical properties are better than 304 stainless steel.

Characteristic

ASME SA182 347 Slip-on flanges are slip-on flanges that are slipped over the pipe and welded with one or more fillet welds on their interior and exterior. These flanges are favored by engineers in the gas and oil industry because of their lower cost compared to other types of flanges.DIN 1.4550 socket weld flanges have the same strength as slip-on flanges and can be joined with a single fillet weld on their exterior. These flanges are used in small sizes up to 2NPS and can be found in low-pressure setups.UNS S34700 Weld Neck Flanges feature a long tapered hub that transfers the stress of the pipe to the hub. Weld neck flanges are suitable for use in repeated bending conditions and are well suited for use in high pressure environments. SS 347 blind flanges are characterized by the absence of a hole in the center. Their primary use is to leave a gap at either end of a piping system. The flange terminates the flow of media and isolates the system.347 SS spectacle blind flanges are double assemblies consisting of a gasket and a blank. The gasket allows normal flow, while the blank section cuts off the flow. Blind flanges are commonly used in systems where frequent maintenance is performed.

Chemical Composition of A182 F347

Identification Symbol UNS Number Grade Elements Composition %
F347 S34700 18 chromium, 8 nickel
modified with
columbium
347		 Carbon 0.08 max
Manganese 2.00 max
Phosphorus 0.045 max
Sulfur 0.030 max
Silicon 1.00 max
Nickel 9.00 – 13.00
Chromium 17.00 – 20.00


Mechanical Properties of A182 F347

Elongation
in 2 in.		 0.2% Offset, Yield Properties Hardness Ultimate Tensile
Properties
% (min.) psi (min.) (MPa) (max.) (MPa) psi (min.)
40 30,000 205 201 Brinell 515 75,000

Physical Properties of A182 F347

Thermal Conductivity 212°F (100°C)

133 BTU/ °F/ ft2/ hr/ ft
16.3 W /m-°K

Melting Range

2550 – 2635°F
1398 – 1446°C

Electrical Resistivity

72 Microhm-cm at 20°F

Density

0.288 lbs/ in3
7.96 g/ cm3

Specific Heat

0.12 BTU/ lb-°F (32 – 212°F)
500 J/ kg-°K (0 – 100°C)

Modulus of Elasticity

28.0 x 106 psi
193 GPa


Equivalent of A182 F347

STANDARD EN UNS GOST JIS WERKSTOFF NR.
SS 347 X6CrNiNb18-10 S34700 08Ch18N12B SUS 347 1.4550

Application

Oil and Gas

Fossil Fuel Power Plants

Nuclear Power

Hear Exchanger

Food Processing

Condensers

Marine

Stainless Steel Forged Flange ASTM A182 F347 UNS NO34700 Nuclear Power


Product Tags:

ASTM A182 Pipe Flange

      

Heat Exchanger Stainless Steel Flange

      

F347 Stainless Steel Flange

      
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