- Specifications : ASTM B729, B468 / ASME SB729, SB468
- Dimensions : ASTM, ASME and API
- Tubes Size : 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk.
- Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
- Type : Seamless / ERW / Welded
- Length : Single Random, Double Random & Cut Length.
- Form : Round, Square, Rectangular etc
- End : Plain End, Beveled End, Treaded

Instrumentation Tubes

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High Pressure Tubes

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Bright Annealed Tubes

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Heat Exchanger Tubes

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Cold Rolled Coiled Tubes

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Square Tubes

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STANDARD | WERKSTOFF NR. | UNS | JIS | EN | BS | GOST | AFNOR |
Alloy 20CB3 | 2.4660 | N08020 | NW 4400 | NiCr20CuMo | - | - | Z2NCUD31-20AZ |
Cu | Ni | Fe | Mn | C | S | Si | P | Cr | Mo | Nb |
3 – 4 | 32 – 38 | Bal | 1 – 2 | 0.02 max | 0.005 max | 0.7 max | 0.02 max | 19 – 21 | 2 – 3 | 0.1 – 0.3 |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 80000 , MPa – 551 | Psi – 35000 , MPa – 241 | 30 % |
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" |
Size mm |
Grade |
Maximum internal pressure, ksi
|
||||||
---|---|---|---|---|---|---|---|---|
100°F | 200°F | 300°F | 400°F | 500°F | 600°F | 700°F | ||
1.59 x 0.36 | 600 | 19.21 | 19.21 | 19.02 | 18.83 | 18.54 | 18.15 | 17.77 |
3 x 0.5 | 600 | 940 | 940 | 930 | 921 | 907 | 888 | 869 |
6 x1 | 600 | 940 | 940 | 930 | 921 | 907 | 888 | 869 |
8x1 | 600 | 681 | 681 | 675 | 668 | 658 | 644 | 630 |
8x2 | 600 | 1476 | 1476 | 1462 | 1447 | 1425 | 1395 | 1366 |
10x1 | 600 | 534 | 534 | 529 | 524 | 516 | 505 | 494 |
12x1 | 600 | 440 | 440 | 435 | 431 | 424 | 415 | 407 |
16x1 | 600 | 324 | 324 | 321 | 318 | 313 | 307 | 300 |
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