59, C.P. Tank Road, Mumbai 400004
Rajendra Pipe Fittings is an esteemed manufacturer, supplier, and distributor of ASTM A312 TP 347/347H Seamless Pipes. Alloy 347 is stabilized austenitic columbium stainless steel alloy. This alloy has good general corrosion resistance and better resistance in strong oxidizing conditions. It has excellent resistance to inter granular corrosion after exposed to temperatures in the chromium carbide precipitation with temperature ranging from 800 – 1500°F. The alloy has good creep strength and oxidation resistance to 1500°F (816°C). It also possesses good low temperature toughness. ASTM A312 TP 347/347H is frequently used for the fabrication of equipment, which must be placed in service under severe corrosive conditions, and is also common to the petroleum refining industries. Alloy 347H stainless steel is the higher carbon version of the alloy. This alloy was developed for higher creep resistance and for operating at a temperature of above 1000 degree F. The full size of our ASTM A312 TP 347/347H ranges from ½” NB to 24” NB seamless pipe, ½” NB to 24” NB ERW and 6” NB to 100” NB EFW. These ASTM A312 TP 347/347H Pipes & Tubes are classified into martensitic, ferritic and austenitic types based on the structure. Our ASTM A312 TP 347/347H seamless pipes can effectively withstand high temperatures, vibrations and shock. These ASTM A312 TP 347/347H Seamless Pipes & Tubes are applicable in various industries such as gas, petroleum, pulp and paper, and pharmaceutical industry.
We ensure the higher quality of our products by putting them under tests meeting the flawless quality. Some of the tests are flaring test, flattening test, hardness test, impact test, positive material identification, intergranular corrosion resistant test, micro and macro etc. are performed to meet the international and national set industry norms and standards. At Rajendra Pipe Fittings we put our products into stringent testing to ensure the high quality. We are concerned about our customer’s satisfaction hence keeping a close eye on the services we provide. 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.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | X6CrNiTi18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | X12CrNiTi18-9 |
Specifications : ASTM A312 / ASME SA312
Dimension Standard : ANSI B36.19M, ANSI B36.10
Seamless Pipe Size : 1/2″ NB – 16″NB
Outside Diameter (OD) : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size pipes available Ex-stock
Thickness Range : 0.3mm – 50 mm
Type : Seamless Pipes
Form : Round Pipes, Square Pipes, Rectangular Pipe
Length : Single Random, Double Random & Cut Length
End Protection : Plastic Caps
Outside Finish : 2B, No.1, No.4, No.8 Mirror Finish
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS
End : Plain End, Beveled End, Treaded
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| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 347 | 0.08 max | 2 max | 1 max | 0.045 max | 0.030 max | 17 - 19 | 0.10 max | 9 - 12 | 5(C+N) – 0.70 max |
| SS 347H | 0.04 – 0.10 | 2 max | 1 max | 0.045 max | 0.030 max | 17 - 19 | 0.10 max | 9 - 12 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Rajendra Piping & Fittings
59, C.P. Tank Road, Mumbai 400004
