Rajendra Pipe Fittings is a prominent manufacturer, stockiest, supplier, and distributor of ASTM A403 Gr. WP 321/321H Buttweld Fittings. The ASTM A403 Gr. WP 321/321H is a standard austenitic 18/8 chromium nickel alloy with the combination of titanium hence making it an excellent choice to be used in elevated temperature environments. The titanium stabilizes the material eliminating its susceptibility to the effects of inter granular corrosion. 321 grade is therefore the stainless steel material of choice for applications in working environments up to 9000 Celsius. The full size of Gr. WP 321/321H Buttweld Fittings ranges from ½” NB to 24” NB. We also manufacture customized shapes and sizes as per our customer’s demands. These buttweld fittings have good process ability and weld ability. They are used in sour gas applications in the oil and gas industry, in control lines, control and instrumentation tubes, and heat exchangers as well as chemical processing. Other applications are mineral oil production and refineries, organic acids and ester synthesis, fine chemicals, treatment of sulfuric acids from waste, and evaporation and crystallization of salts, pipes and heat, pipes containing ocean water and brackish water, condensers and chillers. 321H SS Buttweld Fittings are basically the same as the regular 321 grade stainless steel, with a difference being the content of carbon.
We ensure the higher quality of our products by putting them under tests meeting the flawless quality. Some of the tests are intergranular corrosion resistant test, hardness test, impact test, positive material identification, flaring test, flattening test, micro and macro etc. are performed to meet the international and national set industry norms and standards. Also, the product is having excellent resistance ability to stress corrosion cracking, general corrosion, crevice corrosion, pitting, and oxidation. We are engaged in providing the best services to our valued customers at Rajendra Pipe Fittings. Our team strives hard to manufacture and maintain the high quality standards of our products to meet both national and international standards. To ensure the high quality of products we also put our products to testing and inspection.
|SS 321||1.4541||S32100||SUS 321||X6CrNiTi18-10|
|SS 321H||1.4878||S32109||SUS 321H||X12CrNiTi18-9|
Specifications : ASTM A403 / ASME SA403
Dimensions : ASME/ANSI B16.9, ASME SB16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type : Seamless / Welded / Fabricated
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
SS 321 Buttweld Elbow, ASTM A403 Stainless Steel WP Gr.WP321H BW Elbow, SS SUS 321, 321H Short Radius Elbow, Austainitic Stainless Steel 321 Pipe Elbow, SS Grade WP321H LR Elbow, ASME SA403 Stainless Steel 321 45 deg. Elbow, Gr.321H Stainless Steel 90 degree Long Radius Elbow, WP321 Stainless Steel Reducing Elbow, Stainless Steel 321H 2D, 5D Elbow, Gr.WP321 SS Elbow.
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SS 321 Buttweld Reducers, ASTM A403 Stainless Steel WP Gr.WP321H BW Reducer, SS SUS 321, 321H Reducer, Austainitic Stainless Steel 321 Reducers, SS Grade WP321H Eccentric Reducer, ASME SA403 Stainless Steel 321 Concentric Reducers, Gr.321H Stainless Steel Reducer, WP321 Stainless Steel Eccentric Reducers, Stainless Steel 321H Butt weld Concentric Reducers, Gr.WP321 SS Reducers.
SS 321 Buttweld Cross, ASTM A403 Stainless Steel WP Gr.WP321H BW Cross, SS SUS 321, 321H Buttweld Equal Cross, Austainitic Stainless Steel 321 Pipe Unequal Cross, SS Grade WP321H Buttweld Reducing Cross, ASME SA403 Stainless Steel 321 Buttweld Cross, Gr.321H Stainless Steel BW Pipe Cross, WP321 Stainless Steel Cross, Stainless Steel 321H Butt weld Cross, Gr.WP321 SS Cross.
SS 321 Pipe Cap, ASTM A403 Stainless Steel WP Gr.WP321H BW Pipe End Cap, SS SUS 321, 321H Buttweld End Cap, Austainitic Stainless Steel 321 Buttweld Pipe Cap, SS Grade WP321H Buttweld Cap, ASME SA403 Stainless Steel Gr.321 Buttweld Pipe Cap, Gr.WP321H Stainless Steel End Cap, Stainless Steel 321H BW End Pipe Cap, Gr.WP321 SS End Cap.
SS 321 Pipe Nipple, ASTM A403 Stainless Steel WP Gr.WP321H BW Pipe Nipple, SS SUS 321, 321H Pipe Nipple, Austainitic Stainless Steel 321 Buttweld Pipe Nipple, SS Grade WP321H Swage Nipple, ASME SA403 Stainless Steel 321 Pipe Nipple, Gr.321H Stainless Steel BW Swage Nipple, WP321 Stainless Steel Pipe Nipple, Gr.WP321 SS BW Pipe Swage Nipple.
|SS 321||0.08 max||2.0 max||1.0 max||0.045 max||0.030 max||17.00 - 19.00||0.10 max||9.00 - 12.00||5(C+N) – 0.70 max|
|SS 321H||0.04 – 0.10||2.0 max||1.0 max||0.045 max||0.030 max||17.00 - 19.00||0.10 max||9.00 – 12.00||4(C+N) – 0.70 max|
|Grade||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|321||8.0 g/cm3||1457 °C (2650 °F)||Psi – 75000 , MPa – 515||Psi – 30000 , MPa – 205||35 %|
|321H||8.0 g/cm3||1457 °C (2650 °F)||Psi – 75000 , MPa – 515||Psi – 30000 , MPa – 205||35 %|
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