Premium Quality Alloy 42 Precision Round Bar and Plate¹

Product Description ALLOY 42Alloy 42 / UNS K94100 / 1.3917Alloy 42 is a low expansion alloy which is very similar to Invar 36. It has a low expansion up to about 300oC. Principally used as strip for semiconductor lead frames in integrated circuits and bi-metal strip.The alloy can be also used in ceramic to metal seals with alumina and the glass bulb envelope to metal seals.   Alloy 42 Chemical Composition:GradeC%P%S%Mn%Si%Al%Co%Ni%Fe%Alloy 42Max 0.05Max 0.020Max 0.020Max 0.80Max 0.30Max 0.10Max 1.041.0-42.5Bal.Alloy 42 Physical Properties:GradeDensityMelting PointElectric ResistivityAlloy 428.12 g/cm31440&deg;C0.61&mu;&Omega;&middot;mAlloy 42 Mechanical Properties:GradeTensile Strength N/mm&sup2;SoftHardAlloy 42 Strip<590>700  Q: Are you factory ?A: Yes,We are the factory with more than 30 years of production experience.Q: How long is your delivery time?A: For orders of one to five cases, the delivery time is generally around 20-30 days.it is according to order quantity.Q: Do you provide samples ? Is it free or extra ?A: Yes.We can provide free samples for standard fasteners, But the clients will pay the Express charges.Q: What is your terms of payment ?A: Small order 100% in advance. B: Normally 30% T/T in advance,70% balance after BL copy. C: or we discuss the details.Q:Do you support the customization?A:Yes,we can produce according to the drawing or samples.Q:How about the quality of your products?A: The company has advanced production and testing equipment. Every product will be 100% inspected by our QC department before shipment.

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