Cold-Formed PH 15-7 Mo Alloy Steel Bar
Precipitation hardenable 15-7 Mo stainless alloy steel bar cold-formed for spring applications. HTS 7228.60.80.00 other cold-formed alloy steel bars. High strength-to-weight for aerospace springs and fasteners.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hot-rolled PH stainless
PH stainless grades have dedicated stainless headings.
If cold-drawn wire-rods
Smaller diameters post-cold-forming classify as wire-rods.
If fabricated into springs
Formed into helical springs becomes Chapter 73 spring article.
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Import Tips & Compliance
• Condition (RH, CH, H) specified in certifications affects strength classification
• Spring steel end-use statements distinguish from general bars
• Thin sections carefully measured; may approach wire-rod diameters
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