ASTM A249 TP304 Welded Austenitic Boiler Steel Tube

Mechanical Testing: Flattening Test, Flaring Test, Flange Test, Hardness Test

ASTM A179 covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus. Tubes shall be made by the seamless process and shall be cold drawn. Heat and product analysis shall be performed wherein steel materials shall conform to required chemical compositions of carbon, manganese, phosphorus, and sulfur. 

ARK STEEL Manufactures below PIPE&TUBE:

Ferrite/Martensite:

TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439, TP446, etc.

Austenitic/Super Austenitic Steel Grade:

304/304L, 316/316L, 314, 321, 347H, 316Ti, 316LMod, 317L/N, 310S, 253mA, 330, 904L, S31254, XM-19, etc.

Duplex/Super Duplex Stainless Steel:

S31803, S32304, S31500, S32550, S32750, S32760, etc.

Alloy Steel Grade:

T1, T1a, T2, T5, T9, T11, T12, T17, T21, T22, T23, T24, T36, T122, P12, P5, P91, 15Mo3, 12CrMo, 15CrMoG, 1Cr5Mo, 27SiMn, 09Cr2AlMoRe, 09CrMoAl, 13CrMo44, 10CrMo9-10, 09CrCuSb, 09MnNiD, 09MnD, 09CuPCrNi, 07Cr2AlMo, etc.

Carbon steel tube: A179, A192, A210, DIN17175, etc.

Nickel Alloy Grade:

N02200/2201, N04400, N06600, N06601, N06625, N06852, N06219, N06690, N08800/8810/8811,

N08825, N08028, N08535, N08904, N08925, N08926, N010276, N06022, etc.

Last but not least, Small diameter precision stainless steel tube size like 4.76X0.71mm, 6.35X0.71mm, 9.53X0.71/0.89mm, and Ultra Length reach 500meter in coil or straight.

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