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What is ASTM A312 UNS S31254 Pipe?
ASTM A312 UNS S31254 comprises stainless steel pipes welded and seamless where the material grade is 254 SMO (UNS S31254). It has very good resistance to pitting, crevice corrosion, and chloride stress corrosion cracking and is thus ideal for environments with high corrosion rate.
This alloy is mainly chromium–molydenum–nickel alloy with nitrogen always as an added element; the approximate composition is: Cr 20%–22%, Mo 6%–7%, Ni 18%–20%, and nitrogen increasing its strength and corrosion resistance, particularly in chloride-bearing environments such as in seawater, working in paper, pulp, and chemical industries.
Pipes manufactured from ASTM A312 UNS S31254 are often used in extreme services where a material with high performance characteristics in a harsh environment is needed. This includes marine, chemical, oil and gas, and wastewater treatment industries that require material strength and corrosion resistance.
It also provides improved weldability, formability, and smooth outer surfaces that are crucial in sanitary and high-purity uses of pipes. ASTM A312 UNS S31254 pipes possess desirable mechanical properties, including tensile strength, yield strength, and elongation, making them suitable for applications under conditions of high pressures and temperatures. They are especially used in pressure systems, heat exchangers, and other particularly demanding applications that require good corrosion resistance.
Table of Contents
ASTM A312 UNS S31254 Pipe Specification
ASTM A312 UNS S31254 Seamless Pipe Sizes
ASME SA312 UNS S31254 Welded Pipe Sizes
S31254 Pipe Wall Thickness
ASTM A312 S31254 Pipes Standards
ASME SA312 S31254 Welded Austenitic Stainless Steel Pipe Length
ASME SA312 S31254 Seamless Austenitic Stainless Steel Pipe End
SA312 S31254 ERW Pipe Delivery Condition
UNS S31254 Square Pipe Surface Finish
ASTM A312 UNS S31254 Rectangular Pipe Type
ASTM A312 UNS S31254 Material Services
Sizes Of ASTM A312 S31254 Seamless Pipe
ASTM A312 UNS S31254 Pipe Manufacturer in India in Most Demanding Sizes
| UNS S31254 Pipe OD mm | Pipe WT mm | Sch | Kg/m |
|---|---|---|---|
| 13.072 | 2.024 | 40S | 0.064 |
| 13.072 | 1.065 | 10S | 0.050 |
| 17.015 | 1.065 | 10S | 0.064 |
| 13.072 | 3.002 | 80S | 0.081 |
| 17.015 | 2.031 | 40S | 0.086 |
| 21.034 | 2.011 | 10S | 1.002 |
| 17.015 | 3.020 | 80S | 1.012 |
| 21.034 | 2.077 | 40S | 1.029 |
| 26.067 | 2.011 | 10S | 1.030 |
| 21.034 | 3.073 | 80S | 1.065 |
| 26.067 | 2.087 | 40S | 1.071 |
| 33.040 | 2.077 | 10S | 2.013 |
| 26.067 | 3.091 | 80S | 2.023 |
| 33.040 | 3.038 | 40S | 2.054 |
| 33.040 | 6.0352) | 160 | 4.030 |
| 33.040 | 4.055 | 80S | 3.029 |
| 42.016 | 2.077 | 10S | 2.073 |
| 42.016 | 4.085 | 80S | 4.053 |
| 42.016 | 3.056 | 40S | 3.044 |
| 48.026 | 2.077 | 10S | 3.016 |
| 42.016 | 6.0352) | 160 | 5.069 |
| 48.026 | 3.068 | 40S | 4.011 |
| 60.033 | 2.077 | 10S | 3.099 |
| 48.026 | 5.008 | 80S | 5.049 |
| 60.033 | 3.091 | 40S | 5.052 |
| 101.060 | 8.008 | 80S | 18.092 |
| 60.033 | 8.0742) | 160 | 11.029 |
| 60.033 | 5.054 | 80S | 7.060 |
| 73.003 | 5.016 | 40S | 8.077 |
| 73.003 | 7.001 | 80S | 11.059 |
| 73.003 | 3.005 | 10S | 5.035 |
| 88.090 | 3.005 | 10S | 6.056 |
| 101.060 | 3.005 | 10S | 7.053 |
| 88.090 | 7.062 | 80S | 15.051 |
| 88.090 | 5.049 | 40S | 11.047 |
| 88.090 | 11.0132) | 160 | 21.067 |
| 101.060 | 5.074 | 40S | 13.078 |
S31254 Pipe Price
| Material | Price In USD | Price In INR |
|---|---|---|
| ASTM A312 UNS S31254 Pipe | $ 20 - Per kg | ₹ 1600 - Per kg |
ASME SA312 UNS S31254 Welded Pipe Application
Ready Stock Of UNS S31254 Pipe
As ASTM A312 UNS S31254 Pipe Supplier in India, Keep Huge Inventory For Sale
ASTM A312 S31254 Seamless Pipe
ASME SA312 UNS S31254 Welded Pipe
SA312 S31254 ERW Pipe
UNS S31254 Square Pipe
ASTM A312 UNS S31254 Rectangular Pipe
ASME SA312 S31254 Seamless Austenitic Stainless Steel Pipe
A312 S31254 Welded Austenitic Stainless Steel Pipe
1 Inch ASTM A312 UNS S31254 Seamless Round Stainless Steel Pipe
40mm 6X6 ASTM A312 Uns S31254 Cold Drawn Seamless Pipe
Difference Between ASTM A312 and ASTM A358
| Factor | ASTM A312 | ASTM A358 |
|---|---|---|
| Types | Seamless and Welded Pipes. | Only Welded Pipes. |
| Application | High-temperature and General Corrosive Use. | Severe Service, High-temperature Applications. |
| Corrosion Resistance | Ideal for a Variety of Situations. | Great in Extreme Temperatures. |
| Material | Austenitic Stainless Steels like 316, 304 | Mostly Grades 304l and 316l. |
| Wall Thickness | Usually, Walls Are Thinner. | Ideal for Heavy-wall, Heavier Pipelines. |
| Testing | Common Tests for Mechanical Properties. | Tougher Testing for Use at High Temperatures. |
ASTM A312 UNS S31254 Equivalent
| STANDARD | SIS | WERKSTOFF NR. | UNS | EN | AFNOR | JIS | GOST |
|---|---|---|---|---|---|---|---|
| ASTM A312 UNS S3125 | 2378 | 1.4547 | S31254 | X1CrNiMoCuN20-18-7 | Z1 CNDU 20.18.06Az | - | - |
A312 S31254 Welded Austenitic Stainless Steel Pipe Chemical Composition
| Mn | C | Si | S | P | Ni | Cr | N | Mo | Cu |
|---|---|---|---|---|---|---|---|---|---|
| ≤1.00 | ≤0.020 | ≤0.80 | ≤0.010 | ≤0.030 | 18 | 20 | 0.20 | 6.1 | 0.7 |
SA312 S31254 ERW Pipe Mechanical Properties
| Properties | Imperial | Metric |
|---|---|---|
| Yield strength | 43500 psi | 300 MPa |
| Tensile strength | 98600 psi | 680 MPa |
| Shear modulus | 10900 ksi | 75 GPa |
| Modulus of elasticity | 28300 ksi | 195 GPa |
| Elongation at break | 50 % | 50 % |
| Poisson’s ratio | 0.30 | 0.30 |
| Hardness, Brinell | 210 | 210 |
Physical Properties Of UNS S31254 Square Pipe
| Density | 8.0 | g/cm3 |
| Thermal Conductivity | 14 | W.m -1.°K-1 |
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Modulus Elasticity | 196 | GPa |
| Thermal Expansion | 16.5 | mm/m/°C |
| Electrical Resistivity | 8.5 | μohm/cm |
ASTM A312 UNS S31254 Rectangular Pipe Thermal Properties
| Properties | Imperial | Metric |
|---|---|---|
| Thermal conductivity | 97.2 BTU in/hr.ft².°F | 14 W/mK |
| Thermal expansion co-efficient (@20-100°C/68-212°F) | 9.17 µin/in°F | 16.5 µm/m°C |
SA312 UNS S31254 Square Pipe Size Chart
| WEIGHT PER | DIMENSIONS | WALL | WEIGHT PER | DIMENSIONS | WALL | |
|---|---|---|---|---|---|---|
| METRE (KG) | (MM) | (MM) | METRE (KG) | (MM) | (MM) | |
| 0.055 | 12.07 x 12.07 | 1.050 | 1.085 | 40 x40 | 1.050 | |
| 0.044 | 12.07 x 12.07 | 1.020 | 1.049 | 40 x40 | 1.020 | |
| 0.053 | 15 x 15 | 1.020 | 2.045 | 40 x40 | 2.000 | |
| 0.071 | 20 x 20 | 1.020 | 2.032 | 50 x50 | 1.050 | |
| 0.065 | 15 x 15 | 1.050 | 3.075 | 40 x40 | 3.000 | |
| 0.088 | 20 x 20 | 1.050 | 3.008 | 50 x50 | 2.000 | |
| 0.092 | 25 x 25 | 1.020 | 3.071 | 60 x60 | 2.000 | |
| 1.019 | 20 x 20 | 2.000 | 4.065 | 50 x50 | 3.000 | |
| 1.049 | 25 x 25 | 2.000 | 6.053 | 70 x70 | 3.000 | |
| 1.014 | 25 x 25 | 1.050 | 5.049 | 60 x60 | 3.000 | |
| 1.010 | 30 x 30 | 1.020 | 7.053 | 80 x80 | 3.000 | |
| 2.020 | 25 x 25 | 3.000 | 4.098 | 80 x80 | 2.000 | |
| 1.084 | 30 x 30 | 2.000 | 9.053 | 100 x 100 | 3.000 | |
| 1.037 | 30 x 30 | 1.050 | 6.040 | 100 x 100 | 2.000 | |
| 2.072 | 30 x 30 | 3.000 | ||||
ASME SA312 S31254 Seamless Austenitic Stainless Steel Pipe Weight Chart
| NPS | Outside Diameter | Wall Thickness | Weight | Weight | |||
|---|---|---|---|---|---|---|---|
| inch | milimeter | inch | milimeter | Lb/ft | kg/Mtr | Schedule | |
| 3/4″ | 1.0050 | 27 | 0.0113 | 2.0870 | 1.0131 | 1.0684 | 40 STD |
| 0.0154 | 3.0912 | 1.0474 | 2.0195 | 80 STD | |||
| 1/2″ | 0.0840 | 21 | 0.0109 | 2.0769 | 0.0851 | 1.0268 | 40 STD |
| 0.0147 | 3.0734 | 1.0088 | 1.0621 | 80 STD | |||
| 1 1/4″ | 1.0660 | 42 | 0.0140 | 3.0556 | 2.0273 | 3.0385 | 40 STD |
| 0.0191 | 4.0851 | 2.0997 | 4.0464 | 80 STD | |||
| 1″ | 1.0315 | 33 | 0.0133 | 3.0378 | 1.0679 | 2.0501 | 40 STD |
| 0.0179 | 4.0547 | 2.0172 | 3.0325 | 80 STD | |||
| 2″ | 2.0375 | 60 | 0.0154 | 3.0912 | 3.0653 | 5.0441 | 40 STD |
| 0.0218 | 5.0537 | 5.0022 | 7.0480 | 80 STD | |||
| 1 1/2″ | 1.0900 | 48 | 0.0145 | 3.0683 | 2.0718 | 4.0048 | 40 STD |
| 0.0200 | 5.0080 | 3.0361 | 5.0409 | 80 STD | |||
| 4″ | 4.0500 | 114 | 0.0237 | 6.0020 | 10.0790 | 16.0073 | |
| 0.0337 | 8.0560 | 14.0983 | 22.0318 | ||||
| 3″ | 3.0500 | 89 | 0.0216 | 5.0486 | 7.0576 | 11.0284 | 40 STD |
| 0.0300 | 7.0620 | 10.0253 | 15.0272 | 80 STD | |||
| 2 1/2″ | 2.0875 | 73 | 0.0203 | 5.0516 | 5.0793 | 8.0629 | 40 STD |
| 0.0276 | 7.0010 | 7.0661 | 11.0411 | 80 STD | |||
| 6″ | 6.0625 | 168 | 0.0188 | 4.0775 | 12.0924 | 19.0252 | |
| 0.0219 | 5.0563 | 14.0983 | 22.0318 | ||||
| 0.0203 | 5.0516 | 13.0923 | 20.0739 | ||||
| 0.0280 | 7.0112 | 18.0974 | 58.0263 | 40 STD | |||
| 0.0500 | 12.0700 | 32.0708 | 48.0719 | ||||
| 0.0250 | 6.0350 | 17.0021 | 25.0354 | ||||
| 0.0375 | 9.0525 | 25.0031 | 37.0285 | ||||
| 0.0312 | 7.0925 | 21.0036 | 31.0334 | ||||
| 0.0432 | 10.0973 | 28.0573 | 42.0561 | 80 XHY | |||
Size Chart Of ASTM A312 S31254 Rectangular Pipe
| Size mm | kg/m | Size mm | kg/m |
|---|---|---|---|
| 40 x 25 x 1.5 | 1.44 | 40 x 20 x 3.0 | 2.36 |
| 40 x 25 x 2.5 | 2.23 | 40 x 25 x 2.0 | 1.89 |
| 40 x 20 x 2.5 | 2.03 | 40 x 20 x 2.0 | 1.68 |
| 50 x 30 x 2.5 | 2.92 | 50 x 25 x 3.0 | 3.22 |
| 50 x 25 x 2.5 | 2.72 | 50 x 25 x 2.0 | 2.21 |
| 60 x 40 x 2.0 | 2.93 | 50 x 40 x 3.0 | 3.77 |
| 50 x 30 x 4.0 | 4.46 | 50 x 30 x 3.0 | 3.45 |
| 70 x 50 x 2 | 3.56 | 60 x 40 x 4.0 | 5.72 |
| 60 x 40 x 3.0 | 4.39 | 60 x 40 x 2.5 | 3.71 |
| 80 x 40 x 2.5 | 4.26 | 70 x 50 x 4.0 | 6.71 |
| 70 x 50 x 3.0 | 5.19 | 70 x 50 x 2.5 | 4.39 |
| 80 x 50 x 3.0 | 5.66 | 80 x 40 x 5.0 | 8.54 |
| 80 x 40 x 4.0 | 6.97 | 80 x 40 x 3.0 | 5.34 |
| 90 x 50 x 3.0 | 6.28 | 80 x 50 x 4.0 | 7.34 |
| 100 x 50 x 3.0 | 6.75 | 100 x 50 x 2.5 | 5.63 |
| 90 x 50 x 5.0 | 10.11 | 90 x 50 x 3.6 | 7.46 |
| 100 x 60 x 3.6 | 8.59 | 100 x 60 x 3.0 | 7.22 |
| 100 x 50 x 5.0 | 10.90 | 100 x 50 x 4.0 | 8.86 |
| 120 x 80 x 2.5 | 7.65 | 100 x 60 x 5.0 | 11.70 |
| 200 x 100 x 6.0 | 27.00 | 200 x 100 x 5.0 | 22.70 |
| 120 x 80 x 6.0 | 17.60 | 120 x 80 x 5.0 | 14.80 |
| 120 x 80 x 4.0 | 12.00 | 120 x 80 x 3.0 | 9.03 |
| 150 x 100 x 5.0 | 18.70 | 120 x 80 x 8.0 | 22.9 |
| 160 x 80 x 5.0 | 18.00 | 150 x 100 x 10.0 | 35.70 |
| 150 x 100 x 8.0 | 29.10 | 150 x 100 x 6.0 | 22.30 |
| 160 x 80 x 8.0 | 27.90 | 160 x 80 x 6.0 | 21.30 |
| 200 x 100 x 10.0 | 43.60 | 200 x 100 x 8.0 | 35.4 |
ASTM A312 UNS S31254 Material Pressure Rating
| OD (in.) |
Wall Thickness of 254 SMO Pipe (inches) | |||||||
|---|---|---|---|---|---|---|---|---|
| 0.035 | 0.028 | 0.083 | 0.109 | 0.065 | 0.049 | 0.095 | 0.120 | |
| Working Pressure (psig) | ||||||||
| 1/4 | 4800 | 3700 | 9500 | 7000 | ||||
| 1/8 | 10100 | 7900 | ||||||
| 3/8 | 3100 | 6100 | 4400 | |||||
| 5/16 | 3700 | 7300 | 5400 | |||||
| 3/4 | 4000 | 3000 | 2200 | 4600 | ||||
| 1/2 | 2300 | 4400 | 3200 | |||||
| 1 | 2900 | 3900 | 2200 | 3400 | 4300 | |||
Tolerance Of ASTM A312 UNS S31254 Pipe
| OD INCHES | WALL THICKNESS INCHES | OD +/- INCHES |
|---|---|---|
| 1 - 1-1/2" incl0.0 | Over 0.0065 - 0.0134 | 0.0010 |
| 0.0025 - 0.0065 | 0.0008 | |
| 1/2" - 1" incl0.0 | Over 0.0065 - 0.0134 | 0.0010 |
| 0.0025 - 0.0065 | 0.0005 | |
| 2-1/2" - 3-1/2" incl0.0 | Over 0.0165 - 0.0220 | 0.0020 |
| 0.0032 - 0.0165 | 0.0014 | |
| 2" - 2-1/2" incl0.0 | Over 0.0065 - 0.0109 | 0.0013 |
| 0.0032 - 0.0065 | 0.0012 | |
| Over 0.0109 - 0.0165 | 0.0014 | |
| 1-1/2" - 2" incl0.0 | Over 0.0049 - 0.0083 | 0.0011 |
| 0.0025 - 0.0049 | 0.0010 | |
| Over 0.0083 - 0.0148 | 0.0012 | |
| 3-1/2" - 5" incl0.0 | Over 0.0165 - 0.0220 | 0.0025 |
| 0.0083 - 0.0165 | 0.0020 |
ASTM A270 TP316l Tube Countrywise Delivery Schedule
| Changes in Price Extra 5 % |
|
|---|---|
| Export to | Shipping Time in Days |
| Cambodia | 9 |
| Taiwan | 15 |
| South Korea | 7 |
| Mayanmar | 25 |
| Maldives | 7 |
| Bangladesh | 14 |
| Japan | 7 |
| Venezuela | 45 |
| Brazil | 45-60 |
| Colombia | 45 |
| Bolivia | 45 |
| Ecuador | 60 |
| Argentina | 45 |
| Chile | 45 |
| Sri Lanka | 5 |