Description Overview High carbon wire for springs Available sizes: 1.4 mm, 2.2 mm, 2.3 mm, 4.88 mm Weight per coil is 250 kg 20 tons can fit in a 20 ft container 1.88 mm Wire Specifications Chemical composition parameters: carbon content 0.52-0.60%, manganese content 0.50-0.80%, silicon content 0.17-0.37%, sulfur content ≤0.035%, phosphorus content ≤0.035% Melting number: 55# Steel grade: 55# Wire size: 1.8 mm Carbon percentage of 1%: 0.52-0.60 Tensile strength: 1000 MPa Brand class: A Heat treated: yes Packaging: 250 kg per coil 2.2 mm Wire Specifications Chemical composition parameters: carbon content 0.67-0.70%, manganese content 0.50-0.80%, silicon content 0.17-0.37%, sulfur content ≤0.035%, phosphorus content ≤0.035% Melting number: 70# Steel grade: 70# Wire size: 2.2 mm Carbon percentage of 1%: 0.67-0.75 Tensile strength: 1100 MPa Brand class: A Heat treated: yes Packaging: 250 kg per coil