. Transactions. e —Mechanical Properties at Various Temperatures of ArmcoIron Wire (7-1) Drawn Cold from to In. Test Mark TensileTemp., Strength,°C. Lb. per Sq. In. Reductiontion in I-l-b-LI-l-c-L Average. I-l-a-RI-l-b-RI-l-c-R Average. I-l-a-100I-l-b-100I-l-c-100I-l-d-100 Average. I-l-a-200I-l-b-200 Average. I-l-a-330I-l-b-330 Average. I-l-a-450I-l-b-450 I-l-b-575 I-l-c-500 I-l-a-690I-l-a-735 I-l-a-850I-l-b-850 I-l-a-940I-l-b-940I-l-c-960 190 166,500190 164,300 RoomRoomRoom 100100100100 207205 330330 450455 575550 500 690735 850850 940940960 165,400 50,
. Transactions. e —Mechanical Properties at Various Temperatures of ArmcoIron Wire (7-1) Drawn Cold from to In. Test Mark TensileTemp., Strength,°C. Lb. per Sq. In. Reductiontion in I-l-b-LI-l-c-L Average. I-l-a-RI-l-b-RI-l-c-R Average. I-l-a-100I-l-b-100I-l-c-100I-l-d-100 Average. I-l-a-200I-l-b-200 Average. I-l-a-330I-l-b-330 Average. I-l-a-450I-l-b-450 I-l-b-575 I-l-c-500 I-l-a-690I-l-a-735 I-l-a-850I-l-b-850 I-l-a-940I-l-b-940I-l-c-960 190 166,500190 164,300 RoomRoomRoom 100100100100 207205 330330 450455 575550 500 690735 850850 940940960 165,400 50,500 18,00026,000 to16,00041,000 6,4005,100 2,5502,040 2,5502,8604,100 2 In.,Per Cent. of Area,Per Cent. Remarks 80,000 1. 5580,000 80,000 51,00050,000 96,170 I : in liquid air. 97,500 1 50 60 0 96,000 0 80 72 0 95,000 1 50 69 0 ,000 86,50097,000 92,800 90,00090,000 90,000 Tested in boiling Tested in hot crisco. Tested in elccric furnace. Annealed during during test. Alpha iron. Gamma iron. 504 EFFECT OF TEMPERATURE, ETC. ON PROPERTIES OF METALS Table 16.—Mechanical Properties at Various Temperatures of ArmcoIron Wire {1-2) In. Diam. Annealed at 800° C. Test Mark Tensile Elonea- t> j .• Strength, | tion in RfuctionLb. per 2 In., °^ ^rea Sq. In. j Per CeLt. ^^^ <^«°*- Remarks I-a-b-LI-a-c-LI-2-d-LI-2-e-L Average. I-2-a-RI-2-b-R Average. I-2-a-lOOI-2-b-lOOI-2-C-100I-2-d-lOO I-2-a-200I-2-b-200I-2-C-200 I-2-a-330I-2-b-330 I-2-a-450I-2-b-450 I-2-a-575I-2-b-57o : -190 108,100-190 114,000-190 112,000-190 I 104,000 109,500 Room 49,000 48,100
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