Kochlin SPECIAL ALLOYS · SINCE 2009
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Each technical article settles one question worth answering before you order. Every figure is checked against the specification itself, and the edition is stated.

Technical articleWire breaks and strength reversal in strand-annealed MP35N fine wire (0.02–0.065 mm)From our production records on 0.02–0.065 mm MP35N fine wire, two observations: breaks at 0.02 mm concentrate in the final dies, and in an in-line strand anneal, tensile strength first falls and then rises with temperature, exceeding as-drawn at 700 °C. We discuss the mechanism and how this stress-relieved wire relates to the ASTM F562 fine-wire conditions.Read more →Technical articleAlloy 625 Grade 1 vs Grade 2: a heat-treatment condition, not a quality levelGrade 2 has the lower room-temperature strength, and when an order names no grade, all seven ASTM product specifications supply Grade 1. Minimum values by product form, plus what “Grade” means for titanium and maraging steel.Read more →