Duplex Steel S31803 Blind Flanges are an important component in piping systems that require the closing or sealing of the end of a pipe or a vessel. duplex steel S31803 blind flange, which is a popular choice for its excellent corrosion resistance, high strength, and good weldability. Here is an introduction to Duplex Steel S31803 Blind Flanges:
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Product Name |
Duplex Steel S31803 Blind Flanges |
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Size |
Duplex Steel S31803 Blind Flanges are available in a wide range of sizes, ranging from 1/2"(DN10) to 120"(DN3000) or even larger, depending on the application requirements.DN10-DN3000 |
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Pressure |
Duplex Steel S31803 Blind Flanges are designed to withstand different pressure ratings, typically ranging from 150 lbs to 2500 lbs or higher, depending on the size and construction of the flange. |
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Standard |
Duplex Steel S31803 Blind Flanges are manufactured in accordance with various industry standards, such as ASTM A182, ASME B16.5, ANSI B16.47, and MSS SP-44, among others, to ensure their quality and performance. |
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Wall thickness |
SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc. |
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Material |
317/L,304/L,316/L ,310/S ,309/S,347/H ,321/321H,904/L ,S32750/F53/SAF2507, S32205/F60 S31803/F51,S32760/F55 |
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Application |
Petrochemical industy;avation and aerospace industry;pharmaceutical industry;gas exhaust;power plant;ship buliding;water treament,etc. |
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Advantages |
ready stock,faster delivery time;available in all sizes,customized;high quality |
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Facing: |
Duplex Steel S31803 Blind Flanges can come with different facing types, such as raised face (RF), flat face (FF), and ring-type joint (RTJ), depending on the sealing requirements of the application. |
Duplex Steel S31803 Blind Flanges are widely used in various industries, such as oil and gas, petrochemical, chemical, marine, and offshore, among others, where high corrosion resistance, strength, and durability are required. They are critical for sealing the ends of pipes or vessels in a piping system, preventing leakage and ensuring the safe and efficient operation of the system.
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Grade |
Common Name |
C% |
Mn% |
Si% |
P% |
S% |
Cr% |
Ni% |
Mo% |
N% |
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2205 |
S31803 |
0.030 |
2.00 |
1.00 |
0.030 |
0.020 |
21.0-23.0 |
4.5-6.5 |
2.5-3.5 |
0.08-0.20 |
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2205 |
S32205 |
0.030 |
2.00 |
1.00 |
0.030 |
0.020 |
22.0-23.0 |
4.5-6.5 |
3.0-3.5 |
0.14-0.20 |
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