Jis H4100 Standard Pdf Jun 2026

Chassis frames, bumper beams, and railway car bodies leverage 6005A and 7000-series alloys to reduce vehicle weight while maintaining crash safety.

Whether you are designing a new product or auditing a supplier, the JIS H 4100 standard is your blueprint for quality in aluminium extrusions. Always ensure you are using the most recent version (e.g., the 2015 or later revisions) to stay compliant with modern engineering demands.

This is a medium-to-high strength structural alloy. It is stronger than 6063 but still offers good corrosion resistance and weldability. It is used extensively for structural framing, marine components, truck bodies, and demanding industrial applications.

The JIS H 4100 includes alloys from the 1000 to 7000 series. The 6000 series (Al-Mg-Si alloys) are the most widely used for extrusion, while the 7000 series (Al-Zn-Mg alloys) offer high strength for demanding applications. A comparison of key alloys is presented below: jis h4100 standard pdf

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All aluminum profiles not already detailed in other standards like JIS H 4040 (rods and bars) or JIS H 4080 Global Alignment:

Understanding the timeline of revisions is important for ensuring you are using the correct version. JIS H 4100 has a long history, with its first edition published on . The standard has undergone numerous revisions and confirmations to keep it current with industrial advancements. Chassis frames, bumper beams, and railway car bodies

JIS H4100 places significant emphasis on the quality of extruded profiles. The standard requires that extruded shapes have and must meet detailed tolerances for:

Having a digital copy (PDF) of this standard is more than a convenience—it is a operational necessity.

It is the definitive standard for extruded shape tolerances, mechanical properties, and chemical compositions for aluminum products made via extrusion processes. If a manufacturer in Japan, or a supplier exporting to Japan, produces an aluminum square tube, flat bar, or custom profile, it almost certainly complies with JIS H4100. This is a medium-to-high strength structural alloy

Official and legal PDF copies of this standard must be purchased directly from authorized standards distributors, as free public distribution of the full text violates copyright laws. 🏬 Where to Purchase the Official PDF

Additionally, the standard establishes specifications for general workpiece quality, including uniformity of surface finish and freedom from detrimental defects, ensuring consistent product quality.

Manufacturers complying with JIS H4100 must subject material batches to several verification checks:

For instance, for A6063-T5:

The standard has a long history, first being established in 1970. Like all JIS standards, it is systematically reviewed every five years to ensure it remains relevant and technically accurate. The most recent revision from 2022 introduced the latest updates to the document.