I am reviewing an MTR for carbon steel pipe. Our Design calls for Grade 290 steel as per CSA 245.1. In the MTR, the material is certified to three different specs: ASTM53/API5L/CSA 245.1, all for the correct grade. Both API5L and CSA 245.1 require that the steel be semi or full killed while...
I am dealing with an MTR for pipe from COMCO supplier. There is confusion about the associated heat numbers. The mill has provided several MTR's with identical heat numbers showing up in separate MTR's each having slightly different compositions for both product and heat analysis. Also in the...