Dual Assurance: HXH STEEL’s Traceability of 904L Stainless Steel Material Meets ASTM Standards

In HXH STEEL’s quality inspection system, material traceability of 904L stainless steel is the critical link in quality control. From the clearly visible ASTM A276 904L markings on the product surface to the precise elemental data verified by the Olympus analyzer, every step ensures the material’s compliance, consistency, and absolute reliability for high-stakes applications.

Compliance from the Source: Surface Markings and ASTM Adherence

Each 904L stainless steel profile is indelibly marked with key identifiers such as "ASTM A276 904L" and a detailed "HEAT NO. S27 STL24H149". These markings serve as the product's official ID card, intuitively reflecting adherence to international ASTM standards. This rigorous labeling system ensures that every batch originates from a compliant smelting process, guaranteeing material consistency and minimizing supply chain risk for our global customers.

Precise Verification: Elemental Composition Inspection

To provide quantifiable assurance, HXH STEEL utilizes an Olympus element analyzer to conduct a precise "physical examination" of the core alloy composition. Detection data, showing key indicators like Ni content (23.46%), Cr content (21.45%), and Mo content (3.946%), strictly conforms to the established standards of 904L stainless steel. This "millimeter-level rigor" applied to elements like Ni, Cr, and Mo is the core guarantee that the 904L alloy achieves its signature super corrosion resistance, making it ideally suited for harsh environments such as chemical processing and marine engineering.

Process Confidence Behind Material Integrity

The stability of HXH STEEL’s 904L stainless steel stems from a superior production protocol, including vacuum smelting and the control of a precise alloy ratio. The entire process, from raw material input to composition control, is rigorously benchmarked against ASTM A276 specifications. This robust process ensures the 904L stainless steel maintains its excellent performance in strong acid and high salt spray environments, making it a reliable choice for critical components in chemical equipment and offshore platform structures. HXH STEEL's strict requirements for material traceability represent a comprehensive quality commitment to "reliable material and worry-free application" for customers worldwide.