This alignment with ISO standards ensures that products manufactured under JIS H 4100 are widely accepted in the global marketplace, often comparable to products made under ASTM or EN specifications.
JIS H4100 strictly defines the maximum and minimum weight percentages for alloying elements like Silicon (Si), Iron (Fe), Copper (Cu), Manganese (Mn), Magnesium (Mg), Chromium (Cr), Zinc (Zn), and Titanium (Ti). Precise chemical limits prevent material brittle failure and ensure predictable heat-treatment responses. Mechanical Properties
: Sets limits for tensile strength, proof stress, and elongation. For example, temper grade T4 values are typically confirmed after one month of natural aging. Chemical Composition
: Covers various alloys including 1070 (high conductivity), 5052 (intermediate strength/corrosion resistance), and 6063 (common for structural extrusions). Specified Properties :
You can find the standard through the following official and commercial sources: Japanese Standards Association (JSA)
When you open the , you will spend most of your time navigating several key sections. Here is what to look for:
The JIS H4100 standard also specifies the mechanical properties of aluminum alloy plates, sheets, and strips, including:
What (e.g., T5, T6) does your project require?
: Tensile strength, proof strength, and elongation requirements.
| Alloy | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Typical Application | | :--- | :--- | :--- | :--- | :--- | :--- | | | T6 | 265+ | 245+ | 8+ | Structural, marine, automotive | | A6063S | T5 | 150+ | 110+ | 8+ | Architectural, window frames | | A7003S | T5 | 180+ | 150+ | 10+ | Automotive, structural | | A7075S | T6 | 540+ | 480+ | 7+ | Aerospace, high-strength |
Always check the "Foreword" section of your PDF to confirm the revision date.
: applies to cross-sections not covered by JIS H 4000 (sheets/plates), JIS H 4040 (rods/bars), or JIS H 4080 (tubes). International Alignment : Prepared based on various
Materials are categorized into Ordinary class or Special class . Special class designations fulfill restrictive structural assignments requiring tighter perpendicularity and angle profiles. Standard Evolution Timeline
JIS stands for , the equivalent of ASTM (USA), DIN (Germany), or BS (UK). Specifically, JIS H4100 governs Aluminum and Aluminum Alloy Extruded Tubes and Bars .