T/CSBM 0004-2021 Active

Main Technical Content: **Technical Requirements**: - **Product Classification**: - **Grade**: - **State and Specifications**: - The degradable magnesium alloy semi-continuous casting rods shall comply with the specifications in Table 1. - Orders exceeding the specifications in Table 1 shall be resolved through negotiation between the supplier and the purchaser and noted in the order form (or contract). - **Marking and Examples**: - The product marking shall be in the following order: product name, standard number, alloy grade, usage code, and specifications (diameter and length). - Example 1: - **ZE21B** grade degradable magnesium alloy semi-continuous casting rod, with a diameter of 10.00 mm and a fixed length of 1000.00 mm. - Marking: - **T/CSBM-ZE21B — Φ10×1000**. - Example 2: - **WE43C** grade degradable magnesium alloy semi-continuous casting rod, with a diameter of 10.00 mm and a fixed length of 1000.00 mm. - Marking: - **T/CSBM-WE43C — Φ10×1000**. - **Chemical Composition**: - The chemical composition of the degradable magnesium alloy semi-continuous casting rods shall comply with the requirements in Table 2. - Note: - "Other elements" refer to elements with no specified limit values in this table. - **Dimensional Tolerances**: - **Diameter and Length**: - The allowable deviations in diameter and length of the degradable magnesium alloy semi-continuous casting rods shall comply with Table 3. - **Straightness**: - The straightness of the degradable magnesium alloy semi-continuous casting rods shall not exceed 0.3 mm/m over the entire length in the longitudinal direction. - **Taper**: - The degradable magnesium alloy semi-continuous casting rods shall be aligned at both ends, and the taper angle β (as shown in Figure 1) shall not exceed 3°. - **Other Requirements**: - Other requirements shall comply with ISO 7773. - **Room Tempe