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ASTM A249/ASME SA249 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
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| Standard: ASTM A249, ASME SA249 |
Material: TP316L, S31603
Equivalent Material: X2CrNiMo17-12-2, 1.4404, X 2 CrNiMo 17 13 2 |
| Chemistry Composition |
C, % |
Si, % |
Mn, % |
P, % |
S, % |
Cr, % |
Ni, % |
Mo, % |
0.035 max |
1.00 max |
2.00 max |
0.045 max |
0.030 max |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
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| Mechanical Properties |
Tensile Strength , MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HRB |
485 min |
170 min |
35 min |
90 max |
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| Outside Diameter & Tolerance |
Outside Diameter, mm |
Tolerance, mm |
OD＜25 |
±0.10 |
25≤OD≤40 |
±0.15 |
40＜OD＜50 |
±0.20 |
50≤OD＜65 |
±0.25 |
65≤OD＜75 |
±0.30 |
75≤OD≤100 |
±0.38 |
100＜OD≤200 |
+0.38/-0.64 |
200＜OD≤225 |
+0.38/-1.14 |
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| Wall thickness & Tolerance |
Outside Diameter, mm |
Tolerance, % |
OD＜25 |
±10 |
25≤OD≤40 |
±10 |
40＜OD＜50 |
±10 |
50≤OD＜65 |
±10 |
65≤OD＜75 |
±10 |
75≤OD≤100 |
±10 |
100＜OD≤200 |
±10 |
200＜OD≤225 |
±10 |
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Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max developed length: 32 meters, also U bending can be offered, each leg length can be 15.24 meters. |
| Keyword: Austenitic Stainless Steel, Boiler Tubes, Condenser Tube, Heat Exchanger Tube, High temperature Applications, Steel Tube, Superheater Tubes, Temperature Service Applications, Welded Steel Tube and Heavily Cold Worked (HCW) Tubes, ASME SA249, SA249TP316L, ASTM A249 |
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