ASTM Standard

ASTM standards are technical standards developed by the American Society for Testing and Materials, widely applied in materials, products, systems, and services. In foreign trade, ASTM standards are often used as contract quality clauses, product specifications, or inspection bases, especially for products involving metals, plastics, building materials, petroleum, etc. Usage scenarios include: buyers requiring products to comply with a certain ASTM standard, suppliers providing ASTM test reports, letters of credit stipulating acceptance according to ASTM standards, etc. Notes: ASTM standards are not mandatory, but once written into a contract, they are binding; different version years (e.g., ASTM A36-19) may have different requirements, so the version must be specified; ASTM standards differ from ISO, GB, and other standard systems and cannot be directly equated; before export, confirm whether the product has passed ASTM certification or testing. Differences from other terms: ASTM focuses on material performance and test methods, while ANSI focuses on product standards, and ISO is an international general standard. Foreign trade practitioners need to pay attention to standard updates, testing institution qualifications, and cost sharing.