Straightening technology of 05CuPCrNi equivalent grades

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The 05CUPCRNI equivalent grades modulus of elasticity is used to calculate when a piece of steel will deform too much to bear a load safely. Other properties of A36 steel plate include 05CUPCRNI equivalent grades yield strength, or the maximum stress of steel before permanent deformation.

There is an inherent difference between the cold forming properties of low-alloy high-strength steel and carbon structural steel. First of all, a certain amount of permanent deformation of low-alloy high-strength steel requires greater force than 05CUPCRNI equivalent grades, carbon structural steel of the same size. Second, when low-alloy high-strength steel is formed, a slightly larger allowable amount for springback should be given. According to experience, unless the low-alloy high-strength steel is processed to control the shape of inclusions, it is necessary to use a larger bending radius than carbon structural steel during cold forming.

A537 grade 70 steel with the thickness range is 1.2-600mm, the width range is 1220-4200mm, and the length range is 5000-18000mm. Also note that the 05CUPCRNI equivalent grades, A537 grade 70 steel coil thickness should not exceed 25 mm. The mechanical properties of A537 grade 70 steel is yield strength is 290MPa, and the tensile strength is 485-620Mpa.

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