S32750/F53/2507 S32205/F60 S31803/F51 S32760/F55 Stainless Steel Pipe Fittings
Classification of duplex stainless steel
1) Low alloy type:
Representative grade (23Cr-4Ni-0.1N), steel does not contain molybdenum, PREN (equivalent to pitting corrosion resistance) is 24-25, it can be used instead of AISI304 or 316 in stress corrosion resistance.
2) Medium alloy type:
Representative grades (22Cr-5Ni-3Mo-0.15N), PREN (equivalent to pitting corrosion resistance) is 32-33, and its corrosion resistance is between AISI 316L and 6%Mo+N austenitic stainless steel.
3) High alloy type:
Generally contains 25% Cr, also contains molybdenum and nitrogen, and some also contains copper and tungsten; standard grades (25Cr-6Ni-3Mo-2Cu-0.2N), PREN (pitting corrosion resistance equivalent) is 38-39, this type of steel The corrosion resistance is higher than 22% Cr duplex stainless steel.
4) Super duplex stainless steel pipe fittings type:
Standard grade (25Cr-7Ni-3.7Mo-0.3N), PREN (pitting corrosion resistance equivalent) greater than 40, can be applied to harsh media conditions, has good corrosion resistance and mechanical properties, can be super austenitic stainless steel phase Comparable.
Why choose us:
1. All pipe fittings are strictly implemented in accordance with the standards, accept any third-party inspection, and return service.
2. Before leaving the factory, 100% dimensional inspection, 100% spectral test, mechanical and mechanical performance test, pickling, pickling process are mainly aimed at the removal of surface grease and harmful substances, complete surface passivation to prevent oxidation. Some suppliers have not implemented ( Because the surface is not visible to the naked eye after sandblasting) annealing and solid solution (heat treatment), many goods on the market are not heat-treated. When the pipe fittings are in some cold or hot environments, the seam will slowly crack if it is not heat-treated. This process is invisible to the naked eye, surface sanding (many relatively inexpensive processes on the market), bevel ends, etc.
3. Normally, the individual weight of our company's pipe fittings is heavier than that on the market, (Ensure the back arc thickness) to avoid the parts of the same wall thickness that cannot be seen by the naked eye after the processing The pressure is guaranteed, because many suppliers choose the material to the maximum limit in order to minimize the cost.
Production Range:
| Product Name | BW ELBOW 90 45 DEGREE RL DUPLEX 2205 SCH40 8" HIGH QUALITY STAINLESS STEEL PIPE FITTINGS |
| Material | duplex stainless steel |
| Color | nickel white |
| Standard | DIN GB ISO JIS BA ANSI |
| Grade | wp s32205 wps32507 |
| Brand | ZHEHENG |
| Surface | fine |
| Used | Paper making,shipping line,petroleum transferring,gas transporting,chemical industry,machinery,electric power,pharmacy line,construction industry,food line etc. |
RFQ:
1. Are you a trading company or a manufacturer?
Manufacturer and trading.
2. What are your main products?
All kinds of elbows, tees, caps, flanges, and steel pipes, etc with different stainless steel,nickel alloy materials.
3. Do you provide free samples?
We'd like to provide samples for your confirm, but we don't pay the cost of freight.
4. Why should I choose you?
* Contact us with your detailed inquiry, you will be replied within 6 hours.
* You are promised to obtain the best quality, price, and service.
* Wide excellent experiences with after-sale service.
* Every process will be checked by responsible QC which ensures every product's quality.
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