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Anchor Chain Steel Material: Grade AM3-CM690
CM690 round steel for Marine anchor chain, the product standard is GB/T18669-2002. Widely used in the manufacture of Marine anchor chains. The main specifications are 24mm-50mm diameter.
Anchor chain steel grades are CM370, CM490, CM690, etc. Because of the excellent comprehensive mechanical properties and good microstructure, it is well received by users.
CM690 chemical composition % :
C≤0.33; Mn: 1.30-1.90; Si: 0.15-0.55; P≤0.035; S 0.035 or less
CM690 mechanical properties:
Yield point (σs) ≥410MPa; Tensile strength (σb) ≥690MPa; Elongation (δ5) ≥ 17%; Impact test Akv≥60J (0℃, hot rolling of test material)
Anchor chain steel grades are CM370, CM490, CM690, etc. Because of the excellent comprehensive mechanical properties and good microstructure, it is well received by users.
CM690 chemical composition % :
C≤0.33; Mn: 1.30-1.90; Si: 0.15-0.55; P≤0.035; S 0.035 or less
CM690 mechanical properties:
Yield point (σs) ≥410MPa; Tensile strength (σb) ≥690MPa; Elongation (δ5) ≥ 17%; Impact test Akv≥60J (0℃, hot rolling of test material)