Stainless Steel Pipes
and Tubes exhibit high strength, long durability, excellent corrosion
resistance, etc. They contain stringent property, used for critical
applications, withstand in a harsh environment, and capable of external and
internal high-pressure usage. They have exceptional corrosion resistance in high
temperatures or corrosive service. It has seamless finishing and resists stress
corrosion cracking. Stainless Steel Pipes and Tubes are commonly preferred in
seawater applications, oil and gas, petrochemical, food and beverage, chemical
processing, and many more.
SS Pipes and Tubes Specification
| Dimensions |
ASTM, ASME and API |
| Standard |
ASTM / ASME SA213 / A249 / A269 / A312 / A358 CL. I to V ASTM
A789/A790 |
| Size |
1/8″NB TO 30″NB IN |
| Pipe & Tube |
1/2" NB - 16" NB |
| EFW Pipe & Tube |
6" NB - 100" NB |
| ERW Pipe & Tube |
1/2" NB - 24" NB |
| Specialized in |
Large Diameter Size |
| Schedule |
SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140,
SCH160, XXS |
| Form |
Round, Square, Rectangular, Hydraulic Etc |
| Type |
Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Length |
Single Random, Double Random & Cut Length. |
| End |
Plain End, Beveled End, Threaded |
SS Pipes and Tubes Chemical Composition
| Cr |
Ni |
Mo |
C |
N |
Mn |
| 24.0-26.0 |
6.0-8.0 |
3.0-5.0 |
0.030 Max |
.24-.32 |
1.20 Max |
| Si |
Cu |
P |
S |
Fe |
|
| 0.80 Max |
0.50 Max |
0.035 Max |
0.020 Max |
Balance |
|
SS Pipes and Tubes Mechanical Composition
| S32750 / S32760 |
Density |
Melting Point |
Yield Strength (0.2%Offset) |
Tensile Strength |
Elongation |
| 7.8 g/cm3 |
1350 °C (2460 °F) |
Psi – 80000, MPa-550 |
Psi – 116000 , MPa – 800 |
15% |
SS Pipes and Tubes Physical Properties
| Super Dupex 2507 |
| Density, lb/in3 |
0.28 |
| Modulus of Elasticity, psi |
29.0x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F |
7.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F |
8 |
| Specific Heat, Btu/lb ˚F |
0.12 |
| Electrical Resistivity, Microhm-in |
31.5 |
Some of the features of stainless steel include:
-
Excellent corrosion resistance
-
Non-magnetic when annealed
-
Rapidly work harden with cold work
-
Not hardenable by heat treatment
-
Ductile and readily formable
-
Excellent weldability
-
Hygienic with excellent cleanability
-
Good performance at high temperatures
-
Excellent performance at low temperatures
