ASTM A312 TP316L Stainless steel seamless pipe
Grade 316L is an austenitic stainless steel that can operate from 450 degrees Celsius to 850 degrees Celsius roughly. The range differs depending on the pressure of a system, the components flowing inside the pipe and the environment outside it. Marine environment is full of chloride ions and the wind and water are salty.
The salty conditions catalyze all forms of corrosions because they act as a medium for electron transfer for oxidation and reduction chemical reactions. The 316L stainless steel pipe has a lower carbon content than the ASTM A312 TP316 which means, there is less intergranular precipitation and local corrosion due to welding. Also, the material has molybdenum in addition to chromium and nickel which is specifically resistant to chloride ion stress corrosion.
316L Stainless Steel Pipe Specification
Standard Specification | ASTM A312 TP316L ASME SA312 TP316L |
Size | ½ to 6 Inch Nominal Bore |
Schedule Pipe Thickness Range | Schedule 60, XS, Schedule 160, Schedule 120, STD, Schedule 40, Schedule 140, Schedule 20, Schedule 80, Schedule 80, XXS, Schedule 30, Supplier in Mumbai |
Wall Thickness | 0.1 – 60 ملی میٹر |
Length | Single Random Length 5 to 7 MeterDouble Random Length 10 – 12 Meter |
Standard | سے, وہ, ASTM, جی بی, ASME, اے آئی ایس آئی, AMS, میں, GOST |
Types | Welded, Seamless, ERW, EFW Supplier and Manufacturer |
Manufacturing Shapes | Round, Box Section, Square, Rectangle |
Surface Finish | Polished, Bright, اینیلنگ, Cold Finish, Pickling |
Technique | Cold Rolled Hot Rolled |
Manufacturing Technology | Hot Cold Formed |
316L SS Seamless Pipe Equivalent Material
STANDARD | WERKSTOFF NR. | US | وہ | بی ایس | GOST | افنور | میں |
SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17-11-02 / Z3CND18-14-03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Composition Standard of ASTM A312 TP 316L Pipe
گریڈ | سی | Mn | اور | پی | ایس | کروڑ | مو | میں | فے |
SS 316L | 0.035 زیادہ سے زیادہ | 2.0 زیادہ سے زیادہ | 1.0 زیادہ سے زیادہ | 0.045 زیادہ سے زیادہ | 0.030 زیادہ سے زیادہ | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 منٹ |
Mechanical Properties of ASTM A312 TP 316L Stainless Steel Seamless Pipe
گریڈ | تناؤ کی طاقت(Mpa) | Yield Point(Mpa) | لمبا ہونا(%) |
316ایل | 485 | 170 | 35 |
Physical Properties of ASTM A312 TP 316L Stainless Steel Seamless Pipe
GRADE | DENSITY (KG/M3) | ELASTIC MODULUS (GPA) | MEAN CO-EFF OF THERMAL EXPANSION (ΜM/M/°C) | THERMAL CONDUCTIVITY (W/M.K) | SPECIFIC HEAT 0-100°C (J/KG.K) | ELEC RESISTIVITY (NΩ.M) | |||
0-100°C | 0-315°C | 0-538°C | AT 100°C | AT 500°C | |||||
316L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 74 |
ASTM A312 TP316L PIPE SIZE CHART
NPS | O.D. (میں) | 10 | 160 | 80 | 40 |
1/8″ | .405 | .049 | .095 | .068 | |
1/4″ | .540 | .065 | .119 | .088 | |
3/8″ | .675 | .065 | .126 | .091 | |
1/2″ | .840 | .083 | .187 | .147 | .109 |
3/4″ | 1.050 | .083 | .218 | .154 | .113 |
1″ | 1.315 | .109 | .250 | .179 | .133 |
1 1/4″ | 1.660 | .109 | .250 | .191 | .140 |
1 1/2″ | 1.900 | .109 | .281 | .200 | .145 |
2″ | 2.375 | .109 | .343 | .218 | .154 |
2 1/2″ | 2.875 | .120 | .375 | .276 | .203 |
3″ | 3.500 | .120 | .437 | .300 | .216 |
3 1/2″ | 4.000 | .120 | .318 | .226 | |
4″ | 4.500 | .120 | .531 | .337 | .237 |
4 1/2″ | 5.000 | ||||
5″ | 5.563 | .134 | .625 | .375 | .258 |
6″ | 6.625 | .134 | .718 | .432 | .280 |
7″ | 7.625 | ||||
8″ | 8.625 | .148 | .906 | .500 | .322 |
9″ | 9.625 | ||||
10″ | 10.750 | .165 | 1.125 | .593 | .365 |
11″ | 11.750 | ||||
12″ | 12.750 | .180 | 1.312 | .687 | .406 |
14″ | 14.000 | .250 | 1.406 | .750 | .437 |
16″ | 16.000 | .250 | 1.593 | .843 | .500 |
18″ | 18.000 | .250 | 1.781 | .937 | .562 |
ASTM A312 Stainless Steel Pipe Tolerances
OD | Tolerance | WTH, ملی میٹر | Length, ملی میٹر |
10.3 to 48.3 | +0.40/-0.80 | +/-12.5%t | +6/-0 |
over 48.3 to 114.3 | +0.80/-0.08 | ||
over 114.3 to 219.1 | +1.60/-0.80 | ||
over 219.1 to 457.2 | +2.40/-0.80 | ||
over 457.2 to 660.4 | +3.20/-0.80 | ||
over 660.4 to 864 | +4.00/-0.08 | ||
over 864 to 1219.2 | +4.80/-0.08 |
Wall Thickness tolerance of ASTM A312 TP316L
NPS | Wall Thickness Tolerance, % |
1/8 To 2-1/2 Incl., All T/D Ratios | Over 20.2 Under 12.5 |
Over 3 To 18 Incl., T/D Up To 5% Incl. | Over 22.5 Under 12.5 |
Over 3 To 18, Incl., T/D > 5% | Over 15.0 Under 12.5 |
20 And Large, Welded, All T/D Ratios | Over 17.5 Under 12.5 |
20 And Large, Seamless, T/D Up To 5% Incl. | Over 22.5 Under 12.5 |
>20 And Large, Seamless, T/D > 5% | Over 15.0 Under 12.5 |
316l stainless steel pipe pressure rating
e Size (inches) | Pipe Schedule | Outside Diameter (میں) | Wall Thickness (میں) | Pressure Rating (psig) | ||||||||
Temperature (oF) | ||||||||||||
100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||||
Allowable Stress (psi) | ||||||||||||
16700 | 16700 | 16700 | 15500 | 14400 | 13500 | 13200 | 12900 | 12600 | ||||
1″ | 40 | 1.315 | 0.133 | 2205 | 2205 | 2205 | 2047 | 1902 | 1783 | 1743 | 1703 | 1664 |
80 | 1.315 | 0.179 | 3061 | 3061 | 3061 | 2841 | 2640 | 2475 | 2420 | 2365 | 2310 | |
160 | 1.315 | 0.250 | 4493 | 4493 | 4493 | 4170 | 3874 | 3632 | 3552 | 3471 | 3390 | |
1 1/2″ | 40 | 1.900 | 0.145 | 1629 | 1629 | 1629 | 1512 | 1404 | 1317 | 1287 | 1258 | 1229 |
80 | 1.900 | 0.200 | 2303 | 2303 | 2303 | 2138 | 1986 | 1862 | 1821 | 1779 | 1738 | |
160 | 1.900 | 0.281 | 3362 | 3362 | 3362 | 3120 | 2899 | 2717 | 2657 | 2597 | 2536 | |
2″ | 40 | 2.375 | 0.154 | 1371 | 1371 | 1371 | 1272 | 1182 | 1108 | 1083 | 1059 | 1034 |
80 | 2.375 | 0.218 | 1985 | 1985 | 1985 | 1843 | 1712 | 1605 | 1569 | 1534 | 1498 | |
160 | 2.375 | 0.344 | 3283 | 3283 | 3283 | 3047 | 2831 | 2654 | 2595 | 2536 | 2477 | |
3″ | 40 | 3.500 | 0.216 | 1301 | 1301 | 1301 | 1208 | 1122 | 1052 | 1028 | 1005 | 982 |
80 | 3.500 | 0.300 | 1844 | 1844 | 1844 | 1712 | 1590 | 1491 | 1458 | 1425 | 1391 | |
160 | 3.500 | 0.438 | 2787 | 2787 | 2787 | 2587 | 2403 | 2253 | 2203 | 2153 | 2103 | |
4″ | 40 | 4.500 | 0.237 | 1102 | 1102 | 1102 | 1023 | 950 | 891 | 871 | 851 | 831 |
80 | 4.500 | 0.337 | 1596 | 1596 | 1596 | 1482 | 1377 | 1291 | 1262 | 1233 | 1204 | |
160 | 4.500 | 0.531 | 2611 | 2611 | 2611 | 2424 | 2552 | 2111 | 2064 | 2017 | 1970 | |
5″ | 40 | 5.563 | 0.258 | 965 | 965 | 965 | 896 | 832 | 780 | 763 | 746 | 728 |
80 | 5.563 | 0.375 | 1428 | 1428 | 1428 | 1325 | 1231 | 1154 | 1129 | 1103 | 1077 | |
160 | 5.563 | 0.625 | 2474 | 2474 | 2474 | 2296 | 2133 | 2000 | 1955 | 1911 | 1866 | |
6″ | 40 | 6.625 | 0.280 | 877 | 877 | 877 | 814 | 756 | 709 | 693 | 677 | 661 |
80 | 6.625 | 0.432 | 1379 | 1379 | 1379 | 1280 | 1189 | 1115 | 1090 | 1065 | 1040 | |
160 | 6.625 | 0.719 | 2382 | 2382 | 2382 | 2211 | 2054 | 1925 | 1883 | 1840 | 1797 | |
8″ | 40 | 8.625 | 0.322 | 771 | 771 | 771 | 716 | 665 | 623 | 610 | 596 | 582 |
80 | 8.625 | 0.500 | 1218 | 1218 | 1218 | 1131 | 1050 | 985 | 963 | 941 | 919 | |
160 | 8.625 | 0.906 | 2298 | 2298 | 2298 | 2133 | 1982 | 1858 | 1817 | 1775 | 1734 | |
10″ | 40 | 10.750 | 0.365 | 699 | 699 | 699 | 649 | 603 | 565 | 553 | 540 | 528 |
80 | 10.750 | 0.594 | 1159 | 1159 | 1159 | 1075 | 999 | 937 | 916 | 895 | 874 | |
160 | 10.750 | 1.125 | 2289 | 2289 | 2289 | 2124 | 1974 | 1850 | 1809 | 1768 | 1727 |
ASTM A312 TP 316L Stainless Steel Pipe Roughness
Material Surface | Absolute Roughness Coefficient ε mm |
Aluminum Alloy, Lead | 0.001 – 0.002 |
Drawn Copper/ Brass | 0.0015 |
316ایل سٹینلیس سٹیل | 0.015 |
گرمی کا علاج
ASTM A312 TP316L grade minimum solution temperature is 1040 degree, then and cool rapidly, it can not be harden by annealing, both seamless and welded stainless steel pipes shall be furnished in heat treatment condition comply to ASTM A312 specification.
316L Stainless Steel Seamless Pipes Applications
Trailers
Heat Exchangers
Food processing equipment
Kitchen benches, sinks, troughs, equipment and appliances
construction materials
Threaded fasteners
Chemical containers, including for transport
Automotive trim
Architectural applications
Railway cars
Woven or welded screens for mining, quarrying & water filtration
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- Storage For ASTM A312 TP317L Stainless steel seamless pipe
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