SAE 1045 seamless steel tube

SAE 1045 seamless Steel Tube   1.Scope 1.1 This specification covers electric-resistance-welded carbon and alloy steel tubing for use as mechanical tubing. 1.2 This specification covers mechanical tubing made from hot- or cold-rolled steel. 1.3 This specification covers round, square, rectangular, and special shape tubing.  

Type	Size Range(Round Tubing)
Electric-Resistance-Welded Tubing from Hot-Rolled Steel	Outside diameter from 1/2 to 15 inch (19.0 to 381.0mm)                             Wall Thickness from 0.065 to 0.650 inch (1.65  to 16.50mm)
Electric-Resistance-Welded Tubing from Cold-Rolled Steel	Outside diameter from 3/8 to 12inch (9.92 to 304.8mm)                                    Wall Thickness from 0.022 to 0.134inch (0.71 to 3.40mm)

1.4 Optional supplementary requirements are provided and when desired, shall be so stated in the order.  1.5 The values stated in inch-pound units are to be regarded as the standard.   2. Referenced Documents 2.1 ASTM Standards:  A 370 Test Methods and Definitions for Mechanical Testing of Steel Products A 1040 Guide for Specifying Harmonized Standard Grade Compositions for Wrought Carbon, Low-Alloy, and Alloy Steels E 1806 Practice for Sampling Steel and Iron for Determination of Chemical Composition E 213 Practice for Ultrasonic Examination of Metal Pipe and Tubing E 273 Practice for Ultrasonic Examination of the Weld Zone of Welded Pipe and Tubing E 309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation E 570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products 2.2 ANSI Standard: B 46.1 Surface Texture   3.Manufacture Progress Tubes shall be made by the electric-resistance-welded process and shall be made from hot- or cold-rolled steel as specified.   4.Chemical Composition

Grade Designation	Chemical Composition Limits (%)
	Carbon	Manganese	Phosphorus (max)	Sulfur (max)
MT6" 1010	0.02-0.15	0.30-0.60	0.035	0.035
MT 1015	0.10-0.20	0.30-0.60	0.035	0.035
MT X 1015	0.10-0.20	0.60-0.90	0.035	0.035
MT 1020	0.15-0.25	0.30-O.60	0.035	0.035
MT X 1020	0,15-0.25	0 70-1.00	0.035	0 035

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