Q1: What standards does your company primarily adhere to for spring steel, and which grades are covered?
A1: Standards: DIN EN 10132-3, DIN EN 10132-4. Grades: SAE1050/1070/1074/1075/1095, C60S, C67S, C75S, C100S, CK67, CK75, CK85, 65Mn, D6A, D6A4CR, X32CrMoV4-1, 51CrV4, 75Cr1, 27MnCrB5, T8A, T10A, SK4, SK5, SK85, SK95, 60Si2Mn, and others.
Q2: What surface finishes are available?
A2: Bright cold-rolled (shiny silver), blue/grey-blue tempered, white polished, natural (heat-treated), polished blue, polished yellow, or as per customer request.
Q3: What edge conditions are available?
A3: Mill edge, slit edge, square edge with rounded corners, full rounded edge, or per customer requirements.
Q4: What hardness levels can you provide?
A4: Hardness is customized to customer requirements, up to a maximum of 60 HRC (Rockwell).
Q5: What certifications does your company hold?
A5: Our quality management system certifications include IATF16949:2016 and ISO14001:2015.
Q6: Do you provide chemical composition test reports, and what is the sample delivery lead time?
A6: Every batch is supplied with an MTC (Material Test Certificate) report. Standard order delivery time is approximately 35 days.