ASTM A312 Stainless Steel Seamless Pipe is a type of piping made from stainless steel and is designed to be seamless, meaning it has no welded seams, joints, or connections. This type of pipe is typically used in applications that require high levels of strength, durability, and resistance to corrosion, such as in the chemical, oil and gas, and petrochemical industries.
The ASTM A312 standard specifies the requirements for seamless, welded, and heavily cold worked austenitic stainless steel pipes, which are used in high-temperature and general corrosive service applications. The standard covers a range of stainless steel gradations including 304, 316, 316L, and 321.
ASTM A312 Ống thép không gỉ liền mạch has many benefits over other types of pipe. For example, its seamless construction eliminates weak points in the piping, reducing the chances of leaks and cracks. It is also resistant to high temperatures and pressure, making it ideal for use in high-stress applications. Furthermore, stainless steel provides excellent corrosion resistance and durability, ensuring that the pipes will last for many years.
Tóm tắt, ASTM A312 Stainless Steel Seamless Pipe is a high-quality type of piping that is designed to be durable, strong, and corrosion-resistant. It is used in a wide range of applications, including in the chemical, oil and gas, and petrochemical industries. Its seamless construction eliminates weak points and ensures a long-lasting, reliable piping system.
Stainless Steel Seamless Pipe specification
Specifications | ASTM A 312 ASME SA 312 |
Dimensions | ASTM, ASME and API |
310 ss pipe Types | Seamless |
Size OD (MM) | 6.00 to 610.00 |
Size in NB | 1/8″TO 30″NB |
length in MM | 6000, 3000, 2000, 12000, Or as Required |
Wall Thickness | 0.5mm to 30mm |
Specialized in | Large Diameter Size |
Surface Finish | Mirror, Pickled & Annealed, Polish, 2B, No.4 |
Value Added Services | Polishing, Beveling, Cutting, Threading |
Schedule | Schedule20, Schedule30, Schedule40, STD, Schedule80, XS, Schedule60, Schedule80, Schedule120, Schedule140, Schedule160, XXS |
Form | Square Pipes/Tubes, Round Pipes/Tubes, Rectangular Pipe/Tubes, “U” Shape, Pan Cake Coils, Coiled Tubes, Hydraulic Tubes |
Test Reports & Third party Inspection | Mill Test Certificates, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, TRONG 10204 3.1, Chemical Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports |
Packaging | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or Custom packing |
Domestic Network | wenzhou |
Astm A312 Stainless steel pipe Dimension Chart
PIPE SIZE |
O.D. INCHES |
5S | 5 | 10S | 10 | 20 | 30 | 40S & STD. | 40 | 60 | 80S & E.H. | 80 | 100 | 120 | 140 | 160 | DBL. E.H. |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/8 | .405 | .035 .1383 |
.049 .1363 |
.049 .1363 |
.068 .2447 |
.068 .2447 |
.095 .3145 |
.095 .3145 |
|||||||||
1/4 | .540 | .049 .2570 |
.065 .3297 |
.065 .3297 |
.088 .4248 |
.088 .4248 |
.119 .5351 |
.119 .5351 |
|||||||||
3/8 | .675 | .049 .3276 |
.065 .4235 |
.065 .4235 |
.091 .5676 |
.091 .5676 |
.126 .7388 |
.126 .7388 |
|||||||||
1/2 | .840 | .065 .5383 |
.065 .5380 |
.083 .6710 |
.083 .6710 |
.109 .8510 |
.109 .8510 |
.147 1.088 |
.147 1.088 |
.187 1.304 |
.294 1.714 |
||||||
3/4 | 1.050 | .065 .6838 |
.065 .6838 |
.083 .8572 |
.083 .8572 |
.113 1.131 |
.113 1.131 |
.154 1.474 |
.154 1.474 |
.218 1.937 |
.308 2.441 |
||||||
1 | 1.315 | .065 .8678 |
.065 .8678 |
.109 1.404 |
.109 1.404 |
.133 1.679 |
.133 1.679 |
.179 2.172 |
.179 2.172 |
.250 2.844 |
.358 3.659 |
||||||
1 1/4 | 1.660 | .065 1.107 |
.065 1.107 |
.109 1.806 |
.109 1.806 |
.140 2.273 |
.140 2.273 |
.191 2.997 |
.191 2.997 |
.250 3.765 |
.382 5.214 |
||||||
1 1/2 | 1.900 | .065 1.274 |
.065 1.274 |
.109 2.085 |
.109 2.085 |
.145 2.718 |
.145 2.718 |
.200 3.631 |
.200 3.631 |
.281 4.859 |
.400 6.408 |
||||||
2 | 2.375 | .065 1.604 |
.065 1.604 |
.109 2.638 |
.109 2.638 |
.154 3.653 |
.154 3.653 |
.218 5.022 |
.218 5.022 |
.344 7.462 |
.436 9.029 |
||||||
2 1/2 | 2.875 | .083 2.475 |
.083 2.475 |
.120 3.531 |
.120 3.531 |
.203 5.793 |
.203 5.793 |
.276 7.661 |
.276 7.661 |
.375 10.01 |
.552 13.70 |
||||||
3 | 3.500 | .083 3.029 |
.083 3.029 |
.120 4.332 |
.120 4.332 |
.216 7.576 |
.216 7.576 |
.300 10.25 |
.300 10.25 |
.438 14.32 |
.600 18.58 |
||||||
3 1/2 | 4.000 | .083 3.472 |
.083 3.472 |
.120 4.973 |
.120 4.973 |
.226 9.109 |
.226 9.109 |
.318 12.51 |
.318 12.51 |
.636 22.85 |
|||||||
4 | 4.500 | .083 3.915 |
.083 3.915 |
.120 5.613 |
.120 5.613 |
.237 10.79 |
.237 10.79 |
.337 14.98 |
.337 14.98 |
.438 19.00 |
.531 22.51 |
.674 27.54 |
|||||
4 1/2 | 5.000 | .247 12.54 |
.355 17.60 |
||||||||||||||
5 | 5.563 | .109 6.349 |
.109 6.349 |
.134 7.770 |
.134 7.770 |
.258 14.62 |
.258 14.62 |
.375 20.78 |
.375 20.78 |
.500 20.78 |
.625 32.96 |
.750 38.55 |
|||||
6 | 6.625 | .109 7.585 |
.109 7.585 |
.134 9.289 |
.134 9.289 |
.280 18.97 |
.280 18.97 |
.432 28.57 |
.432 28.57 |
.562 36.39 |
.719 43.35 |
.864 53.16 |
|||||
PIPE SIZE |
O.D. INCHES |
5S | 5 | 10S | 10 | 20 | 30 | 40S & STD. | 40 | 60 | 80S & E.H. | 80 | 100 | 120 | 140 | 160 | DBL. E.H. |
7 | 7.625 | .301 23.54 |
.500 38.04 |
.875 63.08 |
|||||||||||||
8 | 8.625 | .109 9.914 |
.109 9.914 |
.148 13.40 |
.148 13.40 |
.250 22.36 |
.277 24.70 |
.322 28.55 |
.322 28.55 |
.406 35.64 |
.500 43.39 |
.500 43.39 |
.594 50.95 |
.719 60.71 |
.812 67.76 |
.906 74.69 |
.875 72.42 |
9 | 9.625 | .342 33.91 |
.500 48.73 |
||||||||||||||
10 | 10.75 | .134 15.19 |
.134 15.19 |
.165 18.70 |
.165 18.70 |
.250 28.04 |
.307 34.24 |
.365 40.48 |
.365 40.48 |
.500 54.74 |
.500 54.74 |
.594 64.43 |
.719 77.03 |
.844 82.29 |
1.000 104.1 |
1.125 115.6 |
1.000 104.1 |
11 | 11.75 | .375 45.56 |
.500 60.08 |
||||||||||||||
12 | 12.75 | .156 21.07 |
.165 22.18 |
.180 24.16 |
.180 24.16 |
.250 33.38 |
.330 43.77 |
.375 49.56 |
.406 53.52 |
.562 73.15 |
.500 65.42 |
.688 88.63 |
.844 107.3 |
1.000 125.5 |
1.125 136.7 |
1.312 160.3 |
1.000 125.5 |
14 | 14.00 | .156 23.07 |
.188 27.73 |
.250 36.71 |
.312 45.61 |
.375 54.57 |
.375 54.57 |
.438 63.44 |
.594 85.05 |
.500 72.09 |
.750 106.1 |
.938 130.9 |
1.094 150.8 |
1.250 170.2 |
1.406 189.1 |
||
16 | 16.00 | .165 27.90 |
.188 31.75 |
.250 42.05 |
.312 52.27 |
.375 62.58 |
.375 62.58 |
.500 82.77 |
.656 107.5 |
.500 82.77 |
.844 136.6 |
1.031 164.8 |
1.219 192.4 |
1.438 223.6 |
1.594 245.3 |
||
18 | 18.00 | 165 31.43 |
.188 35.76 |
.250 47.39 |
.312 58.94 |
.438 82.15 |
.375 70.59 |
.562 104.7 |
750 138.2 |
.500 93.45 |
.938 170.9 |
1.156 208.0 |
1.375 244.1 |
1.562 274.2 |
1.781 308.5 |
||
20 | 20.00 | .188 39.78 |
.218 46.05 |
.250 52.73 |
.375 78.60 |
.500 104.1 |
.375 78.60 |
.594 123.1 |
.812 166.4 |
.500 104.1 |
1.031 208.9 |
1.281 256.1 |
1.500 296.4 |
1.750 341.1 |
1.969 379.2 |
||
24 | 24.00 | .218 55.37 |
.250 63.41 |
.250 63.41 |
.375 94.42 |
.562 140.7 |
.375 94.42 |
.688 171.3 |
.969 238.4 |
.500 125.5 |
1.219 296.8 |
1.531 367.4 |
1.812 429.4 |
2.062 483.1 |
2.344 542.1 |
||
26 | 26.00 | .312 85.60 |
.500 136.17 |
.375 102.63 |
.500 136.17 |
||||||||||||
28 | 28.00 | .312 92.26 |
.500 146.85 |
.625 182.73 |
.375 110.64 |
||||||||||||
30 | 30.00 | .250 79.43 |
.312 98.93 |
.312 98.93 |
.500 157.53 |
.625 196.08 |
.375 118.65 |
.500 157.53 |
|||||||||
32 | 32.00 | .312 105.59 |
.500 168.21 |
.625 209.43 |
.375 126.66 |
.688 230.08 |
.500 168.21 |
||||||||||
34 | 34.00 | .312 112.25 |
.500 178.89 |
.625 222.78 |
.375 134.67 |
.688 244.77 |
|||||||||||
36 | 36.00 | .312 118.92 |
.500 189.57 |
.625 236.13 |
.375 142.68 |
.750 282.35 |
Stainless steel pipe A312 Chemical Composition Requirements
Grade | UNS | Composition, % | |||||||||||||||||
Desig | C | Mn | P | S | Si | Cr | Ni | Mb | Ti | Nb | Ta | N | Vn | Cu | Ce | B | Al | Other | |
TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–13 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP304H | S30409 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP310S | S31008 | 0.08 | 2 | 0.045 | 0.03 | 1 | 24.0- 26 | 19.0- 22 | 0.75 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP310H | S31009 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 24.0–26 | 19.0–22 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | ||||
TP310H | S31035 | 0.04 – 0.1 | 0.6 | 0.025 | 0.015 | 0.4 | 21.5–23.5 | 23.5–26.5 | . . . | . . . | 0.40- 0.6 | . . . | 0.20- 0.3 | . . . | 2.5- 3.5 | . . . | 0.002- 0.008 | See Spec | |
TP316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP316H | S31609 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP317 | S31700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 11.0–15 | 3.0–4 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP317L | S31703 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 11.0–15 | 3.0–4 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | |||
TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | Ti 5 × (C+N) min, 0.70 max | . . . | . . . | 0.1 | . . . | . . . | . . . | |||
TP321H | S32109 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | 4(C+N) min; 0.70 max | . . . | . . . | 0.1 | . . . | . . . | . . . | |||
TP321H | S32654 | 0.02 | 2.0-4 | 0.03 | 0.005 | 0.5 | 24.0–25 | 21.0–23 | 7.0-8 | . . . | . . . | . . . | 0.45- 0.55 | . . . | 0.30-0.6 | . . . | |||
TP321H | S33228 | 0.04 – 0.08 | 1 | 0.02 | 0.015 | 0.3 | 26.0–28 | 31.0–33 | . . . | . . . | 0.60- 1 | . . . | . . . | . . . | . . . | 0.05 – 0.1 | 0.025 | ||
TP321H | S34565 | 0.03 | 5.0-7 | 0.03 | 0.01 | 1 | 23.0–25 | 16.0–18 | 4.0-5 | . . . | 0.1 | . . . | 0.40- 0.6 | . . . | . . . | . . . | |||
TP347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–13 | . . . | . . . | See Spec | . . . | . . . | . . . | . . . | . . . | |||
TP347H | S34709 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–13 | . . . | . . . | See Spec | . . . | . . . | . . . | . . . | . . . | |||
Alloy 20 | N08020 | 0.07 | 2 | 0.045 | 0.035 | 1 | 19.0–21 | 32.0–38 | 2.0–3 | . . . | See Spec | See Spec | . . . | . . . | 3.0– 4 | . . . | . . . | . . . | |
Alloy 20 | N08367 | 0.03 | 2 | 0.04 | 0.03 | 1 | 20.0–22 | 23.5–25.5 | 6.0–7 | . . . | . . . | . . . | 0.18–0.25 | . . . | 0.75 | . . . | . . . | . . . | |
Alloy 20 | N08028 | 0.03 | 2.5 | 0.03 | 0.03 | 1 | 26.0–28 | 30.0–34 | 3.0–4 | 0.60–1.4 | |||||||||
Alloy 20 | N08029 | 0.02 | 2 | 0.025 | 0.015 | 0.6 | 26.0–28 | 30.0–34 | 4.0–5 | 0.6– 1.4 |
The pipe shall be manufactured by the process of either Seamless (SML), Welded (WLD) or Heavily cold-worked (HCW).
ASTM Referenced Standards
A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A999/A999M Specification for General Requirements for Alloy and Ống thép không gỉ
A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
E112 Test Methods for Determining Average Grain Size
E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Standard Specification:
- ASTM A213 / A213M – 11a:Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
- ASTM A269 – 10:Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
- ASTM A312 / A312M – 12:Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
- ASTM A511 / A511M – 12:Standard Specification for Seamless Stainless Steel Mechanical Tubing
- ASTM A789 / A789M – 10a:Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
- ASTM A790 / A790M – 11:Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
- TỪ 17456-2010:GENERAL PUROSE SEAMLESS CIRCULAR STAINLESS STEEL TUBES.
- TỪ 17458-2010:Seamless Circular of Austenitic Stainless Steel Tube
- EN10216-5 CT 1/2 : Ống thép không gỉ liền mạch & Tube
- GOST 9941-81:SEAMLESS COLD- AND WARM-WORKED TUBES MADE OF CORROSION RESISTANT STEEL.
Mechanical Properties
Temper | Annealed | Cold worked (approx. 20%) | ||||
---|---|---|---|---|---|---|
Material | 316 | 316L | 316 | 316L | ||
Tensile Rm | 75 | 70 | ksi (min) | 102-131 | ksi (min) | |
Tensile Rm | 515 | 485 | MPa (min) | 700-900 | MPa (min) | |
R.p. 0.2% Yield | 30 | 27 | ksi (min) | 73-102 | ksi (min) | |
R.p. 0.2% Yield | 205 | 182 | MPa (min) | 500-700 | MPa (min) | |
Elongation (2” or 4D gl) | 35 | % (min) | 40 | % (min) |
Physical Properties (Room Temperature)
Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
Thermal Conductivity | 16.3 | W.m -1.°K-1 |
Thermal Expansion | 15.9 | μm/μm/°C |
Modulus Elasticity | 193 | GPa |
Electrical Resistivity | 7.4 | μohm/cm |
Density | 7.99 | g/cm3 |
Stainless Steel Seamless Pipes Applications & Uses
- Energy conversion plants
- Radiant Tubes
- Muffles, retorts, annealing covers
- Coal gasifier internal components
- Saggers
- Tube hangers for petroleum refiing adn steam boilers
- Furnace parts, conveyor belts, rollers, oven linings, fans
- Food processing equipment
-
- Cryogenic structures
- Industrial furnace equipment
- Oil industry equipment
- Heat treatment baskets
- Steam boilers and thermowells
- Iron, steel, and non-ferrous industries
- Engineering industry
- Kilns
- Heat Exchangers
- Cement industry
Price for Astm tp310s stainles steel seamless pipe
Sản phẩm | Price in ($) |
• SS 310 Seamless Pipe ASTM A312 TP 310 | $ 10000 ~ $ 11500 USD/Ton |
• SS 310S Seamless Pipe ASTM A312 TP 310S | $ 10500 ~ $ 12000 USD/Ton |
• SS 310 ERW/Welded Pipe ASTM A312 TP 310 | $ 9000 ~ $ 10500 USD/Ton |
• SS 310S ERW/Welded Pipe ASTM A312 TP 310S | $ 9500 ~ $ 11000 USD/Ton |
• SS 310 EFW Pipe ASTM A358 TP 310 | $ 8800 ~ $ 10000 USD/Ton |
• SS 310S EFW Pipe ASTM A358 TP 310S | $ 9000 ~ $ 10500 USD/Ton |
Price for Stainless Steel 310/310S Tube
Sản phẩm | Price in ($) |
• SS 310 Seamless Tube/Tubing ASTM A269 TP 310 | $ 11000 ~ $ 13500 USD/Ton |
• SS 310S Seamless Tube/Tubing ASTM A269 TP 310S | $ 11500 ~ $ 13080 USD/Ton |
• SS 310 ERW/Welded Tube/Tubing ASTM A249 TP 310 | $ 10500 ~ $ 15000 USD/Ton |
• SS 310S ERW/Welded Tube/Tubing ASTM A249 TP 310S | $ 11000 ~ $ 12500 USD/Ton |
• SS 310 Heat Exchanger Tube/Tubing ASTM A213 TP 310 | $ 11500 ~ $ 13500 USD/Ton |
• SS 310S Heat Exchanger Tube/Tubing ASTM A213 TP 310S | $ 11500 ~ $ 13500 USD/Ton |
• SS 310 Seamless Bright Annealed Tube/Tubing ASTM A269 TP 310 | $ 11500 ~ $ 13500 USD/Ton |
• SS 310S Seamless Bright Annealed Tube/Tubing ASTM A269 TP 310S | $ 11500 ~ $ 13500 USD/Ton |
Prie For Stainles steel TP
Sản phẩm | Price in ($) |
• SS 321 Seamless Tube/Tubing ASTM A269 TP 321 | $ 6400 ~ $ 7900 USD/Ton |
• SS 321H Seamless Tube/Tubing ASTM A269 TP 321H | $ 6500 ~ $ 8000 USD/Ton |
• SS 321 ERW/Welded Tube/Tubing ASTM A249 TP 321 | $ 5900 ~ $ 7400 USD/Ton |
• SS 321H ERW/Welded Tube/Tubing ASTM A249 TP 321H | $ 6000 ~ $ 7500 USD/Ton |
• SS 321 Heat Exchanger Tube/Tubing ASTM A213 TP 321 | $ 6400 ~ $ 7900 USD/Ton |
• SS 321H Heat Exchanger Tube/Tubing ASTM A213 TP 321H | $ 6400 ~ $ 7900 USD/Ton |
• SS 321 Seamless Bright Annealed Tube/Tubing ASTM A269 TP 321 | $ 6400 ~ $ 7900 USD/Ton |
• SS 321H Seamless Bright Annealed Tube/Tubing ASTM A269 TP 321H | $ 6400 ~ $ 7900 USD/Ton |