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ASME SA213 T9 Carbon Steel Seamless U Bend Heat Exchanger , Oil Tubes2024-03-18 13:18:28 |
ASTM A335 P11 Alloy Steel Seamless Pipe Overheater Economizer Application2023-12-24 19:01:11 |
DIN2391 ST52.4 NBK Precision Cold Drawn Seamless Tubes2022-02-22 15:00:12 |