DMG focuses on heat exchanger tube and U tube in decades, material can be austenitic stainless steel, duplex stainless steel, super duplex stainless steel, nitric and urea grade, martensite stainless steel and ferrolite stainless steel. Those material can be used for all type of heat exchanger, such as seawater cooler, condenser, evaporator, heater and reheater.
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Austenitic Stainless Steel -- 304/L, 316L, 317L, 321, 347, 904L
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Duplex Stainless Steel -- S31803, S32205, S31500, S31200, S32304, S32750
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Nitric and Urea Gardes -- 316L UG, S31050, S30600, S31002
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Nickel Alloy -- Alloy 400, Alloy 600, Alloy 625, Alloy 800, Alloy 825, Alloy 20, Alloy 28, Alloy C276;
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Martensite Stainless Steel -- 410,430, 405, 409, 439, 420, 444, 446
Main Application
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Gas Processing : Oil Refining
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Flue Gas Cleaning : Seawater Cooler
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Hydrometallurgy : Petrochemicals
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Air Separation : Chemicals
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Marnine : Salt Evaporation
Powder Station
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DMG also can produce u bend tube with wide size range for heat exchanger, heater, reactor, condenser.
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Min Radius : 20mm
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Max Radius : 1200mm
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Tolerance : Diameter, Wall Thickness, Bending Part
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According to ASTM A556 or customer's request
Test
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100% Eddy Test or Hydrostatic Test, UT Test, ASTM A262.E, NACE MR.01.75/77
Heat Treatment
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Acc to related Spec & Standard, Stress Releas on U Bend part is avaliable.