SS 321 Pipe Reducer Size Chart, Stainless Steel 321 Reducer, 321 Stainless Steel Eccentric Reducer, 321 SS Buttweld Reducer Manufacturer, Stainless Steel 321 Buttweld Reducer, 321 Stainless Steel Welded Reducer, SS 321 Reducers Stockist, 321 Concentric Reducer Dimensions, 321 Stainless Steel Seamless Pipe Reducer, 321 Steel Pipe Reducer Suppliers, SS 321 Pipe Reducer Exporters in China, Stainless Steel 321 Reducer Supplier.
Any Stainless Steel 321 Pipe Fittings Manufacturer produces a wide range of fittings in the 321 grade. There are different types of fittings such as the socket weld, buttweld and forged fittings. The 321 Stainless Steel Butt Weld Fittings are very resistant to high temperatures. The material comprises of titanium in its composition and it makes the material stronger as well. The 321 is an austenitic stainless steel stabilized with titanium. Therefore all the UNS S32100 SS Reducer have less chromium carbide precipitation while welding. This reduces the risk of intergrnular corrosion which leads to pitting and crevice attacks. The Werkstoff No 1.4541 Buttweld Reducer have a buttweld at each end so that the connection has more grip and is robust throughout time. The 321 SS Reducer could be heat treated by annealing process. They could perform well in medium temperature ranging from 425 degrees to 900 degrees Celsius. The ASME SA403 Stainless Steel 321 Buttweld Reducer Dimensions depend on the standard of the fittings. There are different standards that govern the reducer sizes. The ANSI B16.9 SS Grade Wp 321 Material is of 321 grade with B16.9 standard. This standard governs pipes from ½ inches to 48 inches. So the small to medium pipes and fittings could be found in this standard. Jinie Technology (Jiangsu) Co., LTD produces and sells all types and grades of stainless steel fittings in this standard. The 321 SS Butt Weld Reducer products produced by us are of superior quality.
321 Stainless Steel Reducers Specification
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Trade name |
Stainless Steel 321 Reducers |
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Stainless Steel 321 Reducers Standard |
ASTM A403 / ASME SA403 |
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321 Stainless Steel Reducers Dimensions |
ANSI B16.9, B16.25, B16.28, MSS-SP-43, MSS-SP-48, MSS-SP-59 |
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SS 321 Reducers Size Range |
1/2″NB TO 48″NB IN |
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SS 321 Reducers Schedule |
SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
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SA 403 Gr 321 Stainless Steel Reducers Marking |
All Fittings are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer's request.) |
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Delivery Time |
7-15 working days as usual, It will based on the detailed order quantity. |
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Payment Terms |
Paypal, Western Union, T/T (Telegraphic Transfer or Wire Transfer), L/C or Trade Assurance 30% deposit & balance before shipping |
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Free Sample |
Yes if we have in stock |
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UNS S32100 Stainless Steel Reducers testing reports |
EN 10204/3.1B NACE 3.1 Certification Mill Test Certification ISO 17025 Standards by a Government of India approved Laboratory Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report and others as required Positive Material Identification is done on all raw material procured at Priminox Overseas |
Properties of 321 Stainless Steel Buttweld Reducer
Corrosion Resistance
321 stainless steel Buttweld Reducer excels in resisting corrosion across a wide range of environments:
Oxidation Resistance: Effective in high-temperature environments up to 900°C, thanks to the chromium content.
Intergranular Corrosion Resistance: The titanium stabilization prevents carbide precipitation, protecting against intergranular corrosion after welding.
General Corrosion Resistance: Comparable to 304 stainless steel, it performs well in mildly corrosive conditions, including atmospheric exposure and oxidizing environments.
High-Temperature Performance
One of the key benefits of 321 stainless steel Buttweld Reducer is its outstanding performance at high temperatures:
Creep and Stress Rupture Properties: The material maintains strength and structural integrity at elevated temperatures.
Thermal Stability: It resists scaling and retains mechanical properties even in continuous service at high temperatures.
Formability and Weldability
321 stainless steel Buttweld Reducer demonstrates excellent formability and weldability:
Formability: Can be formed using standard techniques like bending and drawing. Intermediate annealing may be necessary for complex shapes to avoid work hardening.
Weldability: Exhibits good weldability with or without filler materials. Using fillers like AWS E/ER 347 is recommended to maintain corrosion resistance.
ASTM A403 WP 321 Stainless Steel Buttweld Reducer Minimum Weight
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DN (Normal Pipe Sizes) For ASME B16.9 |
Schedule 10S |
Schedule 40S |
Schedule 80S |
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Concentric Pipe Reducer |
Eccentric Pipe Reducer |
Reducing And Unequal Tee |
Concentric Pipe Reducer |
Eccentric Pipe Reducer |
Reducing And Unequal Tee |
Concentric Pipe Reducer |
Eccentric Pipe Reducer |
Reducing And Unequal Tee |
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40x.25 |
0.19 |
0.19 |
0.60 |
0.26 |
0.26 |
0.76 |
0.34 |
0.34 |
0.90 |
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50x25 |
0.28 |
0.28 |
0.73 |
0.40 |
0.40 |
1.10 |
0.54 |
0.54 |
1.37 |
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50x40 |
0.31 |
0.31 |
0.76 |
0.45 |
0.45 |
1.15 |
0.59 |
0.59 |
1.43 |
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80x.50 |
0.55 |
0.55 |
1.56 |
1.00 |
1.00 |
2.91 |
1.79 |
1.79 |
3.91 |
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100x50 |
0.78 |
0.78 |
2.94 |
1.50 |
1.50 |
4.48 |
1.95 |
1.95 |
6.55 |
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100x80 |
0.87 |
0.87 |
3.04 |
1.74 |
1.74 |
4.64 |
2.33 |
2.33 |
6.79 |
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150x80 |
1.82 |
1.82 |
6.86 |
3.95 |
3.95 |
9.68 |
5.51 |
5.51 |
11.57 |
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150x100 |
1.96 |
1.96 |
7.10 |
4.07 |
4.07 |
11.94 |
5.96 |
5.96 |
11.97 |
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200x100 |
3.01 |
3.01 |
13.46 |
6.55 |
6.55 |
17.98 |
9.23 |
9.23 |
24.18 |
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200x150 |
3.19 |
3.19 |
14.08 |
6.74 |
6.74 |
18.82 |
10.12 |
10.12 |
25.31 |
Application of Stainless Steel 321 Reducers
Stainless Steel 321 reducers, leveraging their excellent corrosion resistance (especially to intergranular corrosion), high-temperature stability (withstanding up to 850°C), and mechanical strength, are widely applied in various industries. In the chemical and petrochemical sectors, they are used for transporting corrosive media and high-temperature oil/gas in pipelines and reaction equipment; in aerospace and nuclear energy, they serve in high-temperature pipeline systems of engines and reactors; in the food and pharmaceutical industry, they meet hygienic standards for clean pipeline connections and high-temperature sterilization equipment; in environmental protection, they resist corrosion in waste incineration flue gas and sewage treatment pipelines; and in construction, they are suitable for high-temperature exhaust systems and corrosion-resistant decorative pipeline connections.
