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ASTM D97, Standard Test Method for Pour Point of Crude Oils. The specimen is cooled inside a cooling bath to allow the formation of paraffin wax crystals. At about 9 °C above the expected pour point, and for every subsequent 3 °C, the test jar is removed and tilted to check for surface movement.
The pour point defined first this property of motor oil, as defined by ASTM D97 as "...an index of the lowest temperature of its utility..." for a given application, [ 12 ] but the cold-cranking simulator (CCS, see ASTM D5293-08) and mini-rotary viscometer (MRV, see ASTM D3829-02(2007), ASTM D4684-08) are today the properties required in motor ...
Comparison of steel grades by chemistry [4] [5] [6] EN steel number (Europe) EN steel name (Europe) ASTM grade (USA) AISI/SAE grade (USA) UNS (USA) DIN (Germany) BS (UK) UNI (Italy) JIS (Japan) Carbon steels 1.1141 1.0401 1.0453: C15D C18D: 1010 1018: CK15 C15 C16.8: 040A15 080M15 080A15 EN3B: C15 C16 1C15: S12C S15 S15CK S15C 1.0503 1.1191 1. ...
Similar to BAg-2a, more economical due to lower silver content; higher melting point and melting range results. For steel, stainless steel, copper, copper alloys, nickel, nickel alloys, and combinations. Melts through mushy state. For larger gaps, where fillets are desired and clearances are not uniform. Light yellow color.
The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels.
It has a yield strength up to 80,000 psi (550 MPa) but costs only 24% more than A36 steel (36,000 psi (250 MPa)). One of the disadvantages of this steel is that it is 30 to 40% less ductile. In the U.S., these steels are dictated by the ASTM standards A1008/A1008M and A1011/A1011M for sheet metal and A656/A656M for plates. These steels were ...