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Philips Metal is one of the well-known manufacturer, stockist, exporter, stock holder and supplier of a qualitative range of 321 Seamless Pipes that are designed as per international and national standard quality of raw materials. Common applications of 321 / 321H Pipes are Oil refinery equipment, Industrial Boilers, Pressure Vessels, Chemical and pharmaceutical equipment, Petrochemical refineries, and Chemical process heat exchangers.
The SS 321 Erw Pipe is one of those alloys which cannot be hardened by heat treatment. However, since the alloy is cold worked, these pipes tend to have a much better surface finish along with superior dimensional control. As the alloy is ductile, the A312 Tp 321H can be easily formed into pipes. Moreover, the SA312 Tp321, like most austenitic stainless steel pipes can be easily welded by the conventionally used welding and fabrication techniques. Tests such as transverse or longitudinal tension test, flattening test in tandem with Grain size determination and weld decay tests are to be performed on the ASTM A312 Tp 321.
These premium qualities of 321H Pipes are used in industries like engineering, chemical, sugar and pharmaceutical, at length. 321H Pipes, which is usually referred as UNS S32109, is the superior carbon version of the SS 321 Pipes, for to offer elevated temperature strength. SS 321 Pipes can be supplied in cut-to length sizes and as well as machined or fabricated to meet up your tailored piping requirements. Stainless Steel Cold Drawn 321 Pipes comes with titanium adding together at least five times to the content of carbon.
Range : | 6NB to 1200NB |
Outer Diameter : | 1/8" NPS to 12" NPS |
Thickness : | 0.6 mm to 12.7 mm |
Schedules : | SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS. |
Length : | Single Random, Double Random & Cut Length |
Specifications : | ASTM A312 / ASTM SA312 |
Types : | Round, Square, Rectangle, Hydraulic, Honed Tubes |
End : | Plain End, Beveled End |
STANDARD | UNS | WNR. | EN | JIS |
---|---|---|---|---|
SS 321 | S32100 | 1.4541 | X6CrNiTi18-10 | SUS 321 |
SS 321H | S32109 | 1.4878 | X12CrNiTi18-9 | SUS 321H |
% | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
---|---|---|---|---|---|---|---|---|---|---|
321 | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
321H | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
min:0.04 max:0.10 |
min:18.0 max:20.0 |
max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
---|---|---|---|---|
321/321H | 75 | 30 | 40 | 217 |
Denstiy lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
---|---|---|---|---|---|
at 68 °F | at 68 – 212°F | at 68 – 1832°F | at 200°F | at 32 – 212°F | in tension (E) |
0.286 | 9.2 | 20.5 | 9.3 | 0.12 | 28 x 106 |
Stainless Steel 321 Seamless Pipes | SS TP 321H Cold Drawn Pipes |
SS TP 321H Seamless Pipes | AISI SS TP 321H Pipes |
Stainless Steel 321 Pipes | Stainless Steel 321 Pipes |
SS 321 UNS S32100 Pipes | SS UNS S32109 Seamless Pipes |
Stainless Steel 321 Cold Drawn Pipes | Stainless Steel 321 Seamless Pipes |
ASTM A 312 321 Stainless Steel Seamless Pipes | DIN 1.4878 Stainless Steel 321H Seamless Pipes |
DIN 1.4511 SS 321 Seamless Pipes | Stainless Steel 321H Seamless Pipes |
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