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ASTMA106 Seamless Carbon Steel Pipe For High Temperature Service

No.1-1

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Description

Scope Covers seamless carbon steel nominal wall pipe for high-temperature service. Suitable for bending, flanging and similar forming operations. NPS 1-1/2& quot; and under may be either hot finished or cold drawn. NPS 2& quot; and larger shall be hot finished unless otherwise specified. Referenced Documents · ASTM A 530/A 530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe·?ASTM E 213 Practice for Ultrasonic Examination of Metal Pipe and Tubing·?ASTM E 309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation·?ASTM E 381 Method of Macroetch testing Steel Bars, Billets, Blooms, and Forgings·?ASTM E 570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products·?ASME B26.10M Welded and Seamless Wrought Steel Pipe·?*ASTM A 106 grade B Seamless Pressure Pipe·?B) Unless otherwise specified by the purchaser, for each reduction of 0.01 % below the specified carbon maximum, an increase of 0.06 % manganese above the specified maximum will be permitted up to a maximum of 1.65 %.·?*ASME SA 106 grade B Seamless Pressure Pipe·?B) For each reduction of 0.01 % below the specified carbon maximum, an increase of 0.06 % manganese above the specified maximum will be permitted up to a maximum of 1.35 %.Process Killed steel, with primary melting process being open-hearth, basic-oxygen, or electric-furnace, possibly combined with separate degassing or refining. Steel cast in ingots or strand cast is permissible. Hot-finished pipe need not be heat treated. Cold-drawn pipe shall be heat treated after the final cold draw pass. Chemical Requirements Grade AGrade BGrade CCarbon max. %0.250.300.35*Manganese %0.27 to 0.93*0.29 to 1.060.29 to 1.06Phosphorous, max. %0.0350.0350.035Sulfur, max. %0.0350.0350.035Silicon, min.%0.100.100.10Chrome, max. %0.400.400.40Copper, max. %0.400.400.40Molybdenum, max. %0.150.150.15Nickel, max. %0.400.400.40Vanadium, min.%0.080.080.08Total of Cr, Cu, Mo, Ni, and V shall not exceed 1%

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