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Stainless Steel Flange ASTM A182 F321H B16.5 Nuclear Power Plant

Categories Steel Flange
Brand Name: YUHONG
Model Number: F321H
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,PALLET
Supply Ability: 10000Ton/Month
TYPE: WNRF,BLRF
SIZE: 1/2" TO 48"
WT: Sch10s To XXS
STANDARD: ASTM A182
Company Info.
Yuhong Group Co.,Ltd
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Stainless Steel Flange ASTM A182 F321H B16.5 Nuclear Power Plant

Stainless Steel Flange ASTM A182 F321H B16.5 Nuclear Power Plant


Overview

Stainless steel 321H flanges have oxidation resistance to 16,000°F.
Developed to provide an 18-8 type alloy with improved resistance to intergranular corrosion. SS 321H flanges do not exhibit weld rot (intergranular corrosion) in mildly corrosive environments. SS 321H blind flanges are a titanium-stabilized chromium-nickel austenitic stainless steel with good strength and excellent corrosion resistance, supplied in the annealed condition. SS 321H plate flanges can be easily formed and drawn.
However, higher pressure requirements and more springback are encountered than with carbon and ferritic stainless steels. Stress Relief - Heat this stainless steel 321H socket eld flange up to 700°C for 1 to 2 hours with air cooling. s$ 321H threaded flange contains 18% chromium, 8% nickel and a significant addition of titanium.


Characteristic of ASTM A182 F321H


High temperature resistance: It has good high temperature resistance and can maintain good strength and corrosion resistance under high temperature environment.
Corrosion resistance: It has good corrosion resistance, especially for chloride and sulfuric acid and other corrosive media with good resistance.
High strength: It has high tensile strength and yield strength, making it suitable for high strength requirements of engineering applications.
Weldability: It has good weldability, can be connected by various common welding methods.


Chemical Composition of A182 F321H



Stainless Steel 321 Flanges
Ni9 – 12
Cr17 – 19
C0.08 maximum
N0.10 maximum
FeBalance
Mn2 maximum
Si0.75 maximum
S0.03 maximum
P0.045 maximum
Ti5xC min
0.60% maximum


Mechanical Properties of A182 F321H


GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minHardness
Rockwell B (HR B) maximumBrinell (HB) maximum
Stainless Steel 321 Flanges5152054095217
Stainless Steel 321H Flanges5152054095217

Physical Properties of A182 F321H
GradeDensity (kg/m3)Elastic Modulus (GPa)Mean Coefficient of Thermal Expansion (μm/m/°C)Thermal Conductivity (W/m.K)Specific Heat 0-100°C (J/kg.K)Electrical Resistivity (nΩ.m)
0-100°C0-315°C0-538°Cat 100°Cat 500°C
Stainless Steel 321 Flanges802719316.617.218.616.122.2500720

Application


Oil and Gas Pipeline

Chemical Industry

Plumbing

Heating

Heat exchanger

Condenser



Quality Stainless Steel Flange  ASTM A182 F321H  B16.5  Nuclear Power Plant for sale
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