AASHTO M 103M pdf free download

AASHTO M 103M pdf free download.Steel Castings, Carbon, for General Application.
2.2. ASTM Standards:  A732/A732M, Standard Specification for Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures A781/A781M, Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use A957/A957M, Standard Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use E527, Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS) 3. GENERAL CONDITIONS FOR DELIVERY 3.1. Except for steel investment castings, material furnished to this specification shall conform to the requirements of ASTM A781/A781M, including any supplementary requirements that are indicated on the purchase order. Failure to comply with the general requirements of ASTM A781/A781M constitutes nonconformance with the specification. In case of a conflict between this specification and ASTM A781/A78 1M, this specification shall prevail. 3.2. Steel investment castings furnished to this specification shall conform to the requirements of ASTM A957/A957M, including any supplementary requirements that are indicated in the purchase order. Failure to comply with the common requirements of ASTM A957/A957M constitutes nonconformance with the specification. In case of a conflict between the requirements of this specification and ASTM A957/A957M, ASTM A957/A957M shall prevail.4. ORDERING INFORMATION 4.1. Orders for material under this specification should include the following information in proper sequence. 4.1.1. Quantity; 4.1.2. Specification, grade (Section 1.2), and class (Section 9.2); 4.1.3. Description of the casting by pattern number or drawing; 4.1.4. Options in the specification; and 4.1.5. Supplementary requirements desired, including standards of acceptance. 5. HEAT TREATMENT 5.1. All castings of Grades N-2, 415-205 [60-30], 450-240 [65-35], 485-250 [70-36], and 485-275 [70-40] shall be heat treated by full annealing, normalizing, normalizing and tempering, or quenching and tempering. Unless otherwise specified in the inquiry, contract, or order, the castings may be heat treated by any one or combination of these heat treatments at the option of the manufacturer. 5.1.1. Heat treatment shall be performed after castings have been allowed to cool from the pouring temperature to below the trans formation range. 5.2. Furnace temperatures for heat treating shall be regulated by the use of pyrometers.AASHTO M 103M pdf download.