ASTM A312 Pipe Specification

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  • Consistent High Quality
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Table Of Content

Trusted ASME SA312 Stainless Steel Pipe Supplier in India in Various Grades As Per ASME B36.19 Standards

Specification of ASTM A312 Pipe

ASTM A312 Seamless Pipe Sizes
ASTM A312 Seamless Pipe Sizes
  • WT:0.6 -12.7 mm
  • OD: 1/8 – 12″ NPS
  • Schedule: 5 to XXH
  • Length:Single/ Double
A312 Welded Pipe Sizes
A312 Welded Pipe Sizes
  • WT: 0.8 to 12.7 mm
  • OD: 6.35 to 114.3 mm
  • Schedule: 5 to 80S
  • Length:up to 26 Meters

 

ASME SA312 Thick Wall Pipe Sizes
ASME SA312 Thick Wall Pipe Sizes
  • WT: 2.5 – 100mm
  • OD: 10-600mm
  • Length: 0.5 to 12 Meter
  • Standard: ASTM A312 | ASME SA 312
SA 312 SS Pipe Manufacturing Process
SA 312 SS Pipe Manufacturing Process
  • Seamless
  • ERW
  • Welded
  • Fabricated
ASTM A312m Stainless Pipe Origin
ASTM A312m Stainless Pipe Origin
  • European Origin
  • Indian Origin
  • Japanese Origin
  • Korean Origin
SA312 Stainless Steel Pipe Finish
SA312 Stainless Steel Pipe Finish
  • Polished
  • Bright
  • Annealing
  • Mirror

 

ASTM A312 Pipe Technique
ASTM A312 Pipe Technique
  • Cold Formed
  • Precision Rolled,
  • Hot Formed

 

SA 312 SS Pipe Testing
SA 312 SS Pipe Testing
  • Chemical
  • Ultrasonic
  • PMI
  • Mechanical
SA 312 SS Pipe Form
SA 312 SS Pipe Form
  • Square
  • Round
  • Rectangular
  • Oval
ASME SA312 Stainless Steel Pipe Documentation
ASME SA312 Stainless Steel Pipe Documentation
  • Raw Material Test Reports
  • NABL Approved Lab Reports

 

ASTM A312m Stainless Pipe Packaging
ASTM A312m Stainless Pipe Packaging
  • Bubble wraps
  • Wooden Boxes
  • Steel Strips Bundled
  • Custom
A312 Welded Pipe End
A312 Welded Pipe End
  • Plain
  • Beveled

 

ASTM A312 Pipe Standards

Most Genuine ASTM A312 Pipe Manufacturer in India As Per International Standards

Standards
ASTM A312, ASME SA312 EN 10216-5, DIN 17456, JIS G3459

Find Source Of A312 Seamless and Welded Pipe With Diameter 1/8 to 30 inch or Customized At Discounted Price, Check Dimensions

A312 Seamless Pipe Dimensions in mm

Nominal size in Inch OD in mm OD in Inch WT in Inch WT in mm Weight [kg/m] Weight [lb/ft]
2 1/2 Inch 73.0 2.875 0.203 5.16 8.63 5.79
6 Inch 168.3 6.625 0.280 7.11 28.26 18.97
20 Inch 508.0 20 0.594 15.09 183.42 123.11
1/2 Inch 21.3 0.840 0.109 2.77 1.27 0.85
32 Inch 813.0 32 0.688 17.48 342.91 230.08
24 Inch 610.0 24 0.688 17.48 255.41 171.29
3 1/2 Inch 101.6 4.000 0.226 5.74 13.57 9.11
5 Inch 141.3 5.563 0.258 6.55 21.77 14.62
1 1/4 Inch 42.2 1.660 0.140 3.56 3.39 2.27
1 Inch 33.4 1.315 0.133 3.38 2.50 1.68
1 1/2 Inch 48.3 1.900 0.145 3.68 4.05 2.72
14 Inch 355.6 14 0.375 11.13 94.55 54.57
1/8 Inch 10.3 0.405 0.068 1.73 0.37 0.24
3 Inch 88.9 3.500 0.216 5.49 11.29 7.58
18 Inch 457.0 18 0.562 14.27 155.80 104.67
3/4 Inch 26.7 1.050 0.113 2.87 1.69 1.13
1/4 Inch 13.7 0.540 0.088 2.24 0.84 0.42
12 Inch 323.8 12.750 0.406 10.31 79.73 53.52
2 Inch 60.3 2.375 0.154 3.91 5.44 3.65
4 Inch 114.3 4.500 0.237 6.02 16.07 10.79
10 Inch 273.0 10.750 0.365 9.27 60.31 40.48
8 Inch 219.1 8.625 0.322 8.18 42.55 28.55
16 Inch 406.4 16 0.500 12.70 123.30 82.77

Buy ASTM A312m Stainless Pipe With SCH 40S, 10S, 80S For High-Temperature and General Corrosive Service

ASTM A312m Stainless Pipe Schedule Chart

Pipe OD O.D.INCHES Length SCH10S SCH40S
1/2" 0.840" 20’ 0.083" 0.109"
3/4" 1.050" 20’ 0.083" 0.113"
1" 1.315" 20’ 0.109" 0.133"
1 1/4" 1.660" 20’ 0.109" 0.140"
1 1/2" 1.900" 20’ 0.109" 0.145"
2" 2.375" 20’ 0.109" 0.154"
2 1/2" 2.875" 20’ 0.120" 0.203"
3" 3.500" 20’ 0.120" 0.216"
3.5" 4.000" 20’ 0.120" 0.226"
4" 4.500" 20’ 0.120" 0.237"
5" 5.563" 20’ 0.134" 0.258"
6" 6.625" 20’ 0.134" 0.280"
8" 8.625" 20’ 0.148" 0.322"
10" 10.750" 20’ 0.165" 0.365"
12" 12.750" 20’ 0.180" 0.375"

ASTM A312 Pipe Applications

ASTM A312 Pipe Applications

Genuine Stockist Of SA 312 SS Pipe in Mumbai Tested With Longitudinal Tension Test and Flattening Test, See Pressure Rating

SA 312 SS Pipe Pressure Rating

Pipe Size (inches) Pipe Schedule Temperature (oF)
100 200 300 400 500 600 650 700 750
1 1/2" 40 2257 1947 1750 1608 1496 1425 1383 1354 1340
80 3182 2744 2466 2267 2108 2009 1949 1909 1889
160 4619 3984 3580 3291 3060 2916 2829 2772 2743
1" 40 3168 2629 2362 2171 2019 1924 1867 1824 1810
80 4213 3634 3265 3002 2791 2659 2580 2528 2501
160 6140 5296 4759 4375 4068 3876 3761 3684 3646
3" 40 1806 1558 1400 1287 1196 1140 1106 1084 1072
80 2553 2202 1979 1819 1691 1612 1564 1532 1516
160 3840 3312 2976 2736 2544 2424 2352 2316 2280
2" 40 1902 1640 1474 1355 1260 1201 1165 1141 1129
80 2747 2369 2129 1957 1820 1734 1682 1648 1631
160 4499 3880 3486 3205 2980 2840 2755 2699 2671
5" 40 1342 1158 1040 956 889 847 822 805 797
80 1981 1709 1535 1411 1312 1250 1213 1189 1176
160 3414 2945 2646 2433 2262 2155 2091 2049 2027
8" 40 1073 926 832 765 711 678 657 644 637
80 1692 1459 1311 1205 1121 1068 1036 1015 1005
160 3175 2738 2460 2262 2103 2004 1944 1905 1885
4" 40 1531 1321 1187 1091 1014 967 938 919 909
80 2213 1909 1715 1577 1466 1397 1355 1328 1314
160 3601 3106 2791 2566 2386 2273 2206 2161 2138
6" 40 1219 1052 945 869 808 770 747 732 724
80 1913 1650 1483 1363 1267 1208 1172 1148 1136
160 3289 2836 2549 2343 2179 2076 2014 1973 1953
10" 40 974 840 755 694 645 615 596 584 578
80 1609 1388 1247 1147 1066 1016 986 966 956
160 3147 2714 2439 2242 2085 1986 1927 1880 1868

SA312 Stainless Steel Pipe Testing And Inspection

  • Grain Size Determinations
  • Weld Decay Tests
  • Transverse or Longitudinal Tension Test
  • Hydrostatic or Nondestructive Electric Test
  • Flattening Test (option)
  • Radiographic Examination (option)
  • Intergranular Corrosion Test (option)
  • Mechanical Tests

ASTM A312 Pipe Wall Thickness

Nominal Size OD Wall Thickness, Schedule
NPS DN Mm 5S 10S 40S STD 80S
1/4 8 13.7 – 1.65 2.24 2.24 3.02
3/8 10 17.2 – 1.65 2.31 2.31 3.2
1/2 15 21.3 1.65 2.11 2.77 2.77 3.73
3/4 20 26.7 1.65 2.11 2.87 2.87 3.91
1/8 6 10.3 – 1.24 1.73 1.73 2.41
1 25 33.4 1.65 2.77 3.38 3.38 4.55
1 1/4 32 42.2 1.65 2.77 3.56 3.56 4.85
1 1/2 40 48.3 1.65 2.77 3.68 3.68 5.08
2 50 60.3 1.65 2.77 3.91 3.91 5.54
2 1/2 65 73 2.11 3.05 5.16 5.16 7.01
3 80 88.9 2.11 3.05 5.49 5.49 7.62
3 1/2 90 101.6 2.11 3.05 5.74 5.74 8.08
4 100 114.3 2.11 3.05 6.02 6.02 8.56
5 125 141.3 2.77 3.4 6.55 6.55 9.53
6 150 168.3 2.77 3.4 7.11 7.11 10.97
8 200 219.1 2.77 3.76 8.18 8.18 12.7
10 250 273.1 3.4 4.19 9.27 9.27 12.7
12 300 323.9 3.96 4.57 9.53 9.53 12.7
14 350 355.6 3.96 4.78 – 9.53 –
16 400 406.4 4.19 4.78 – 9.53 –
18 450 457.2 4.19 4.78 – 9.53 –
20 500 508 4.78 5.54 – 9.53 –
22 550 558.8 4.78 5.54 – 9.53 –
24 600 609.6 5.54 6.35 – 9.53 –
26 650 660.4 – – – 9.53 –
28 700 711.2 – – – 9.53 –
30 750 762 6.35 7.92 – 9.53 –

ASTM A312 Stainless Steel Pipe Heat Treatment

Grade or UNS Designation Cooling/Testing
Requirements		 Heat Treating Temperature
TP304H, TP316H
Cold finished  Quenched in water or rapidly cooled by other means. 1900°F [1040°C]
Hot finished  1900°F [1040°C]

Most Common Types Of ASTM A312 Pipe

Best ASTM A312 Pipe Supplier in India, Stock and Supply Custom Shapes As Per Your Project Requirment


ASTM A312 Seamless Austenitic Stainless Steel Pipe

ASTM A312 Seamless Austenitic Stainless Steel Pipe


A312 Welded Austenitic Stainless Steel Pipe

A312 Welded Austenitic Stainless Steel Pipe


ASME SA312 Straight-Seam Welded Pipe

ASME SA312 Straight-Seam Welded Pipe

ASTM A312m Stainless Pipe Permitted Variations in Wall Thickness

– Tolerance, % from Nominal
NPS Designator  Over  Under
3 to 18 incl., t/D > 5 % 15.0  12.5
3 to 18 incl., t/D up to 5 % incl. 22.5  12.5
20 and larger, seamless, t/D > 5 % 15.0  12.5
20 and larger, welded, all t/D ratios 17.5  12.5
20 and larger, seamless, t/D up to 5 % incl. 22.5  12.5
⁄8 to 21⁄2 incl., all t/D ratios 20.0  12.5
Get A312 Material For Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipe , Refer Tolerances

ASTM A312 Stainless Steel Pipes OD Tolerance

NPS ASTM A312  OD Tolerance
+ –
inch mm inch mm
  • 1/8~1 1 /2
  • > 1 1 /2~4
  • > 4~8
  • > 8~18
  • > 18~26
  • > 26~34
  • > 34~48
  • 1/64(0.015)
  • 1/32(0.031)
  • 1/16(0.062)
  • 3/32(0.093)
  • 1/8(0.125)
  • 5/32(0.156)
  • 3/16(0.187)
  • 0.4
  • 0.8
  • 1.6
  • 2.4
  • 3.2
  • 4.0
  • 4.8
 1/32(0.031) 0.8

SA 312 SS Pipe WT Tolerance %

NPS ASTM A312  WT Tolerance, %
+ –
≥ 20, welded 17.5 12.5
≥ 20, seamless, t/D≤ 5% 22.5 12.5
≥ 20, seamless, t/D> 5% 15.0 12.5
1/8-2 1 /2 20.0 12.5
3~18, t/D≤ 5% 22.5 12.5
3~18, t/D> 5% 15.0 12.5

SA 312 SS Pipe Equivalent Material

Grades UNS JIS EN BS
TP304 S30400 SUS 304 X5CrNi18-10 (1.4301) 304S31
TP304L S30403 SUS 304L X2CrNi18-9 (1.4307) 304S11
TP316 S31600 SUS 316 X5CrNiMo17-12-2 (1.4401) 316S31
TP316L S31603 SUS 316L X2CrNiMo17-12-2 (1.4404) 316S11
TP321 S32100 SUS 321 X6CrNiTi18-10 (1.4541) 321S31
TP347 S34700 SUS 347 X6CrNiNb18-10 (1.4550) 347S31
TP904L N08904 SUS 890L X1NiCrMoCu25-20-5 (1.4539) 904S13
TP310S S31008 SUS 310S X8CrNi25-21 (1.4845) 310S24
TP317L S31703 SUS 317L X2CrNiMo18-15-4 (1.4438) 317S12
TP2205 S31803 / S32205 SUS 329J3L X2CrNiMoN22-5-3 (1.4462) –

ASME SA312 Stainless Steel Pipe Chemical Composition

Grade UNS
Designation		 Chemical Composition,%
Carbon Manganese Phosphorous Sulfur Silicon Chromium Nickel Molybdenum Nitrogen
TP304L S30403 0.035    2.00  0.045  0.030  1.00  18.0-20.0 8.0-13.0  –  –
TP304 S30400 0.08     2.00  0.045  0.030  1.00  18.0-20.0 8.0-11.0  –  –
TP316L S31603 0.035     2.00  0.045  0.030  1.00  16.0-18.0 10.0-14.0 2.00-3.00  –
TP316 S31600 0.08     2.00  0.045  0.030  1.00  16.0-18.0 11.0-14.0 2.00-3.00  –
TP321 S32100 0.08     2.00  0.045  0.030  1.00  17.0-19.0 9.0-12.0  – 0.10 

Mechanical Properties of ASTM A312m Stainless Pipe

Grade Yield
Strength, min
ksi [MPa]		 Tensile
Strength, min
ksi [MPa]
TP304  30 [205] 75 [515] 
TP304L  25 [170] 70 [485] 
TP304H  30 [205] 75 [515] 
TP316  30 [205] 75 [515] 
TP316L  25 [170] 70 [485] 
TP316H  30 [205] 75 [515] 

ASTM A312 Pipe Physical Properties

Property TP304 / TP304L TP316 / TP316L TP321 / TP347 TP904L Units / Notes
Density 8.00 8.00 8.03 8.00 g/cm³
Melting Range 1400 – 1450 1370 – 1400 1380 – 1420 1350 – 1390 °C
Specific Heat Capacity 500 500 500 490 J/kg·K (at 20°C)
Electrical Resistivity 0.72 × 10⁻⁶ 0.74 × 10⁻⁶ 0.73 × 10⁻⁶ 0.94 × 10⁻⁶ Ω·m (at 20°C)
Thermal Conductivity 16.2 15.0 15.1 13.0 W/m·K (at 100°C)
Coefficient of Thermal Expansion 17.2 × 10⁻⁶ 16.5 × 10⁻⁶ 16.5 × 10⁻⁶ 15.0 × 10⁻⁶ per °C (20–100°C)
Modulus of Elasticity 193 193 195 200 GPa
Poisson’s Ratio 0.30 0.30 0.30 0.30 –
Magnetic Permeability (Annealed) ≤ 1.02 ≤ 1.02 ≤ 1.02 Non-Magnetic Relative (μr)

ASTM A312m Stainless Pipe Delivery Time As Per Country

Export to Shipping Time in Days
Uk 30
Italy 28
Bahamas  60
Portugal 45
Norway 45
Russia 20
Belgium 40
Greece 45
Netherland 30
Ukraine 60

ganpat industrial corporation

6 Reasons to choose Ganpat Industrial Corporation

  1. Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
  2. Stockholder and importer of Ferrous and non ferrous metals.
  3. Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
  4. Marine grade steel at lowest price in Mumbai.
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