Features of GOST 33259 Stainless Steel Flanges
● Excellent material: made of high-quality stainless steel material with excellent corrosion resistance and high-temperature strength, able to maintain stable performance in harsh environments.
● Size standard: produced strictly according to GOST33259 standard, the size specification is uniform, which is convenient for connection with other equipment or pipeline.
● Good sealing: the sealing surface of the flanges is precisely processed and treated, which can provide reliable sealing performance and prevent medium leakage.
● Wide range of application: suitable for a variety of corrosive media and high temperature and high pressure environments, widely used in petroleum, chemical, natural gas and other fields.
Product Description
|
Name |
GOST33250 Stainless steel flange |
|
Type |
LR30, 45, 60, 90, 180; SR30, 45, 60, 90, 180, customerized |
|
Radius type |
1D, 1.5D, 2.0D, 2.5D, 3.0D, 4.0D, 5D, 6D, 7D, customerized |
|
Size |
0.5''-24'', DN15-DN600 for seamless type |
|
0.5''-72'', DN15-DN1800 for welded type |
|
|
Thickness |
0.5mm-60mm |
|
End |
bavel end, plain end |
|
Grade |
SS304, SS304L, SS316, SS316L, SS321, SS904L, duplex |
|
Standard |
ASME B16.9, ASTM A234, ASTM A420, ANSI B16.9, B16.25, B16.28, MSS SP-75 |
|
DIN2605, DIN2615, DIN2616, DIN2617 |
|
|
JIS B2311, B2312, B2313 |
|
|
EN10253-1, EN10253-2 |
|
|
GB 12459 |
|
|
Pressure range |
SCH5S, SCH10S, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140, SCH160, XXS |
|
Formed type |
Ball forming |
|
Raw material technology |
Pressed from tube |
|
Surface type |
Sand blasting, Sand rolling, Acid cleaning |
|
Connection type |
butt welded |
|
Productivity |
20000PCS/MONTH |
|
Application |
Chemical , power, construction, potroleum, gas, water, steam, |
|
Warranty |
1 year |
|
Package |
cartons, pallet, cases |
|
Production period |
In 15-60 days upon order quantity |
|
Payment term |
L/C, T/T, WU, etc. |
|
Certificate |
ISO, PED |
|
Closest port for shipment |
NINGBO |
|
Advantages |
1. Customerized dimensions to meet different requirement 2. quality control from raw materials to the final products 3. Abundant stock 4.Rich export experience 5. Reliable shipping forwarder |
Manufacturing Process
● Raw material preparation: select stainless steel material that meets the standard and carry out strict tests on chemical composition and mechanical properties.
● Forging or casting: according to the size and shape requirements of the flanges, choose suitable forging or casting process for production.
● Mechanical Processing: Mechanical processing of flanges after forging or casting, including cutting, drilling, turning, etc., to meet the size and shape requirements.
● Welding (if required): For flanges that need to be welded, carry out precise welding operations and welding quality inspection.
● Surface treatment: Surface treatment such as polishing, sandblasting, etc. is carried out on the flanges to improve their appearance quality and corrosion resistance.
Inspection And Testing
● Size inspection: use professional measuring tools to inspect the size of the flange to ensure that it meets the standard requirements.
● Appearance inspection: inspect the appearance of the flange, including surface quality, sealing surface quality, etc.
● Material composition analysis: analyze the chemical composition of the flange material to ensure that it meets the material requirements specified in the standard.
● Mechanical performance test: conduct mechanical performance tests such as tensile and bending on the flanges to assess their mechanical properties and durability.
Application Areas
GOST33259 stainless steel flanges are widely used in many fields such as petroleum, chemical, natural gas, food processing, medical equipment, building structures and automotive industry. Especially in equipments and pipelines that require high corrosion resistance and high temperature strength, such as chemical equipment, heat exchangers, condensers, food processing equipment, etc., GOST33259 stainless steel flanges are favored because of their excellent performance.
