Sunny Steel can offer ASTM A213 T12 Tube / ASME SA213 T12 Tubing / T12 Tube / Alloy Steel Tube / Chrome Moly Tube / Alloy Steel Pipes.
ASTM A213 T12 Tube / ASME SA213 T12 Tubing / T12 Tube has about 1-1.5% Chrome, 1/2% Moly is similar to ASTM A213 T11.
ASTM A213 T12 Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Heat-Exchanger Tubes.
Gr T12 Seamless Tube Chemical Composition
| Grade | UNS | C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| T12 | K11562 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
ASTM A213 Gr T12 Seamless Tubes Outside Diameter & Tolerance
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max length: 16000mm, also U bending can be offered.
| Spec | Grade | O.D. | W.T. | Pcs | Weight T | Length(M) |
| SA213 | T12 | 28.00 | 7.00 | 193 | 5.602 | 8-10 |
| SA213 | T12 | 38.00 | 6.50 | 12 | 0.545 | 8.85 |
| SA213 | T12 | 51.00 | 8.50 | 26 | 2.000 | 8-10 |
| SA213 | T12 | 51.00 | 9.00 | 86 | 6.457 | 5-7 |
| SA213 | T12 | 63.50 | 9.00 | 20 | 1.930 | 5-7 |
| SA213 | T12 | 63.50 | 10.00 | 18 | 2.102 | 8.5 |
| SA213 | T12 | 76.00 | 7.00 | 32 | 2.720 | 6-8 |
| SA213 | T12 | 89.00 | 6.50 | 36 | 2.580 | 4.5-9 |
| SA213 | T12 | 88.90 | 7.62 | 56 | 5.936 | 6.95 |
| SA213 | T12 | 89.00 | 9.00 | 60 | 6.302 | 6 |
| SA213 | T12 | 168.00 | 10.00 | 5 | 1.570 | 8-10 |
| SA213 | T12 | 168.00 | 14.00 | 27 | 6.500 | 5-7 |
| SA213 | T12 | 219.00 | 12.00 | 16 | 5.930 | 8.5 |
| SA213 | T12 | 219.00 | 23.00 | 32 | 21.500 | 6-8 |
| SA213 | T12 | 219.00 | 30.00 | 18 | 15.000 | 6-9 |
| SA213 | T12 | 325.00 | 11.00 | 1 | 0.510 | 6-8 |
| SA213 | T12 | 325.00 | 16.00 | 20 | 15.000 | 5-7 |
| SA213 | T12 | 89.00 | 20.00 | 40 | 7.501 | 6 |
| SA213 | T12 | 101.60 | 12.00 | 24 | 7.116 | 6 |
| SA213 | T12 | 102.00 | 7.50 | 12 | 1.920 | 9.42 |
| SA213 | T12 | 108.00 | 5.00 | 35 | 4.450 | 6-10 |
| SA213 | T12 | 108.00 | 6.00 | 27 | 4.050 | 6-8 |
| SA213 | T12 | 108.00 | 8.00 | 1 | 8.500 | 6-10 |
| SA213 | T12 | 108.00 | 10.00 | 4 | 1.186 | 6-8 |
| SA213 | T12 | 108.00 | 12.00 | 21 | 5.159 | 6-10 |
| SA213 | T12 | 159.00 | 6.00 | 16 | 4.393 | 6-8 |
| SA213 | T12 | 159.00 | 8.00 | 15 | 4.574 | 10 |
| SA213 | T12 | 273.00 | 8.00 | 8 | 2.530 | 6-10 |
| SA213 | T12 | 273.00 | 12.00 | 1 | 0.460 | 6-8 |
| SA213 | T12 | 430.00 | 16.00 | 1 | 0.990 | 6-8 |
| SA213 | T12 | 377.00 | 14.00 | 1 | 0.770 | 6-10 |
| SA213 | T12 | 457.00 | 20.00 | 2 | 2.600 | 6-8 |
| SA213 | T12 | 406.00 | 55.00 | 1 | 2.880 | 10 |
| SA213 | T12 | 508.00 | 12.00 | 1 | 0.890 | 5-7 |
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