Alloy 254 is an austenitic stainless steel alloy, whose chemical base consists of high amounts of molybdenum, chromium as well as nickel. Under some circumstances, the UNS S31254 SMO Seamless Pipe is considered to be a highly economical, yet commercially viable solution to applications that are prone to corrosion. In fact, the corrosion resistance properties of 250 SMO pipe is compared to nickel alloys.
One of the most remarkable qualities of this 254 smo en 1.4547 pipe is its resistance to marine environments, and in particular, elevated temperature seawater. The level of salt in seas across the world varies, depending on several parameters. The normal rate of salt or sodium chloride present in seawater amounts to about 3.5%. In areas where the river forms a confluence with the sea, the concentration of sodium chloride in water reduces. Yet, even the presence of about 3.5% salt is enough to corrode conventional steel alloys. However, because of the higher content of alloying in 254 SMO seamless pipe, the rate of corrosion is significantly lower. Volcanic activity or the presence of any heat source could instantly increase the temperature of seawater. Heat in combination with a high level of sodium chloride accelerates the rate of decay in traditional alloys as opposed to ASTM A312 UNS S31254 6 moly welded pipes. Hence, in many countries across the world, SMO 254 Pipe manufacturers recommend using this alloy because it can withstand corrosive marine environments, without any visible decay on its surface. With the content of chromium as high as 19%, the Alloy 254 smo pipe forms a passivated oxide layer, which prevents the alloy from getting decayed by oxidation.
Alloy 254 Pipe Specification | ASTM A 409 ASME SA 409 / ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
---|---|
Alloy 254 Seamless Pipe size | 4 to 219mm W. T.: 0.5 to 20mm |
254 SMO Stainless Steel Pipe size | 5.0 mm – 1219.2 mm |
Alloy 254 EFW Pipe size | 5.0 mm – 1219.2 mm |
254 SMO Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
254 SMO Pipe Form | Round, Square, Hollow, Rectangular, Hydraulic, Straight Pipes Etc. |
Alloy 254 Pipe End | Plain End, Beveled End, Treaded. |
254 SMO Pipe Length | Single Random, Double Random & Cut Length. |
Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
Marking | All Alloy 254 Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
Manufacturers of 254 SMO Pipe |
|
Alloy 254 Pipe Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Material Test Certificates (MTC) | Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2 |
Test |
|
Specialized in | Large Diameter Alloy 254 Pipe |
We can also cut, thread, and groove 6mo Stainless Steel Seamless Pipe to meet your specifications. Pipe Dimension ANSI/ ASME B36.10, B36.19, B2.1 |
6mo Tubing
UNS S31254 6MO Tubing
6MO Instrument Tubing
6MO Stainless Steel Pipe
6MO Stainless Steel Tubing
254 SMO Seamless Pipe
ASTM A312 UNS S31254 Pipe
UNS S31254 SMO Seamless Pipe
254 SMO Pipe Types | Out diameter | Wall thickness | Length |
---|---|---|---|
NB Sizes (in stock) | 1/8” ~ 8” | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 | Upto 6 Meters |
254 SMO Seamless Pipe (Custom Sizes) | 5.0mm ~ 203.2mm | As per requirement | Upto 6 Meters |
254 SMO Stainless Steel Pipe (in Stock + Custom Sizes) | 5.0mm ~ 1219.2mm | 1.0 ~ 15.0 mm | Upto 6 Meters |
Wall | Sizes ( O.D.) |
---|---|
.010 | 1/16" , 1/8" , 3/16" |
.020 | 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8" |
.012 | 1/8" |
.016 | 1/8" , 3/16" |
.028 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2" |
.035 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
.049 | 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
.065 | 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3" |
.083 | 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3" |
.095 | 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2" |
.109 | 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" |
.120 | 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3" |
.125 | 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4" |
.134 | 1" |
.250 | 3" |
.375 | 3 1/2" |
1/8" IPS(.405" O.D.) | 3 1/2" IPS( 4.000" O.D.) |
---|---|
SCH 40, 80 | SCH 10, 40, 80, 160, XXH |
1/4" IPS(.540" O.D.) | 4" IPS(4.500" O.D.) |
SCH 10, 40, 80 | SCH 10, 40, 80, 160, XXH |
3/8" IPS(.675" O.D.) | 5" IPS( 5.563" O.D.) |
SCH 10, 40, 80 | SCH 10, 40, 80, 160, XXH |
1/2" IPS(.840" O.D.) | 6" IPS(6.625" O.D.) |
SCH 5, 10, 40, 80, 160, XXH | SCH 5, 10, 40, 80, 120, 160, XXH |
3/4" IPS(1.050" O.D.) | 8 ” IPS(8.625" O.D.) |
SCH 10, 40, 80, 160, XXH | SCH 5, 10, 40, 80, 120, 160, XXH |
1" IPS:(1.315′ O.D.) | 10" IPS(10.750" O.D.) |
SCH 5, 10, 40, 80, 160, XXH | SCH 10, 20, 40, 80 (.500), TRUE 80(.500) |
1-1/4" IPS(1.660" O.D.) | 12" IPS(12.750" O.D.) |
SCH 10, 40, 80, 160, XXH | SCH 10, 20, 40(.375), TRUE40(.406), SCH80(.500) |
1-1/2" IPS(1.900" O.D.) | 14" IPS(14.000" O.D.) |
SCH 10, 40, 80, 160, XXH | SCH10 (.188), SCH40 (.375) |
2" IPS(2.375" O.D.) | 16" IPS(16.000" O.D.) |
SCH 10, 40, 80, 160, XXH | SCH10(.188), SCH40(.375) |
2 1/2" IPS(2.875" O.D.) | 18" IPS (18.000" O.D.) |
SCH 10, 40, 80, 160, XXH | SCH-40 (.375) |
3" IPS( 3.500" O.D.) | |
SCH 5, 10, 40, 80, 160, XXH |
SMO 254 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
17.5 – 18.5 |
0.02 max | 6 – 6.5 |
1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
Alloy 254 Seamless Pipe | 254 SMO Square Tube |
SMO 254 Hollow Pipe | ASTM A269 Alloy 254 Shell And Tube Heat Exchanger |
ASTM A312 Alloy 254 Rectangular Tube | UNS S31254 Round Pipe |
WERKSTOFF NR. 1.4547 Thick Wall Pipe | ASTM A409 254 SMO Electropolish Pipe |
20 SMO SCH40 pipe | 6mo ss Hot Rolled Tube |
ss 254 smo Polished Pipe | ss-254 smo Thick Wall Tube |
254 smo ss Thin Wall Pipe | stainless steel 254 smo Marine Tube |
stainless steel grade 254 Welded Pipe | alloy 254 smo Box Tube |
Alloy 254 clad pipe | 254 SMO Boiler Tube |
SMO 254 Braided Tube | ASTM A269 Alloy 254 Dom Tube |
ASTM A312 Alloy 254 Pipe | UNS S31254 Capillary Tube |
WERKSTOFF NR. 1.4547 ERW Pipe | ASTM A409 254 SMO Cylinder Tube |
20 SMO Welded Pipe | 6mo ss Coil Tube |
ss 254 smo Decorative Pipe | ss-254 smo Decorative Tube |
254 smo ss Square Pipe | stainless steel 254 smo Exhaust Tube |
stainless steel grade 254 Polished Pipe | alloy 254 smo Elliptical Tube |
Alloy 254 Rectangular Pipe | 254 SMO Flex Tube |
SMO 254 exhaust pipe | ASTM A269 Alloy 254 Fin Tube |
ASTM A312 Alloy 254 schedule 40 pipe | UNS S31254 Fuel Tube |
WERKSTOFF NR. 1.4547 schedule 10 pipe | ASTM A409 254 SMO Finned Tube Heat Exchangers |
20 SMO Gas Tube | 6mo ss Hydraulic Tube |
ss 254 smo flex pipe | ss-254 smo Grooved Tube |
Jindal 254 smo ss Pipe | stainless steel 254 smo Heat Exchanger Tube |
stainless steel grade 254 straight pipes | alloy 254 smo Handrail Tube |
Alloy 254 threaded pipes | 254 SMO Hydraulic Cylinder Tube |
SMO 254 Welded Pipes | ASTM A269 Alloy 254 Hollow Tube |
ASTM A312 Alloy 254 pipes | UNS S31254 Instrument Tube |
WERKSTOFF NR. 1.4547 braided pipes | ASTM A409 254 SMO Internally Threaded Tube |
20 SMO corrugated pipe | 6mo ss Large Tube |
ss 254 smo conduit pipes | ss-254 smo Large Diameter Tube |
254 smo ss dairy pipes | stainless steel 254 smo Mesh Tube |
stainless steel grade 254 grooved pipes | alloy 254 smo Metric Tube |
Alloy 254 hydraulic pipes | 254 SMO Mechanical Tube |
SMO 254 high pressure pipes | ASTM A269 Alloy 254 Micro Tube |
ASTM A312 Alloy 254 jacketed pipes | UNS S31254 Needle Tube |
WERKSTOFF NR. 1.4547 large diameter pipes | ASTM A409 254 SMO Oval Tube |
20 SMO natural gas pipes | 6mo ss Octagonal Tube |
ss 254 smo oval pipe | ss-254 smo Ornamental Tube |