PM M4 High-Speed Steel Hot-Rolled Strip
Powder metallurgy M4 high-speed steel hot-rolled strip, 610 mm wide, 4 mm thick, not coiled, for surgical saw blades. HTS 7225.40.5110 covers such high-performance tool steel flats meeting width/thickness specs and high-speed alloy requirements.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If Phosphating or coating applied post-rolling moves to further worked category.
If of silicon-electrical steel
Grain-oriented electrical steel has separate alloy classification.
If solution annealed
Heat treatment beyond hot-rolling constitutes further working.
Not sure which classification is right?
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Import Tips & Compliance
• Specify powder metallurgy process in documentation; affects steel property verification
• Confirm 'not in coils' status with photos/packing lists to prevent coil subheading errors
• Thickness gauging before entry prevents disputes; ultrasonic testing recommended
Related Products under HTS 7225.40.51.10
T1 High-Speed Steel Hot-Rolled Plate
Hot-rolled T1 tungsten-type high-speed steel plate, 700 mm wide, 3.5 mm thick, not in coils, for manufacturing high-performance drills. HTS 7225.40.5110 applies to high-speed tool steel flat products wider than 600 mm, under 4.75 mm thick, without further processing beyond hot-rolling.
S7 High-Speed Steel Hot-Rolled Plate
Shock-resisting S7 high-speed steel hot-rolled plate, 800 mm x 3.2 mm thick, flat packed for punch tooling. Classified 7225.40.5110 for hot-rolled high-speed tool steel sheets over 600 mm wide under 4.75 mm.
D2 High-Speed Steel Hot-Rolled Sheet
D2 semi-high-speed steel sheet hot-rolled to 2.5 mm x 620 mm wide, for shear blades. HTS 7225.40.5110 as it qualifies under tool steel high-speed definitions with high chromium and carbon.
M2 High-Speed Steel Hot-Rolled Sheet
Flat-rolled M2 high-speed steel sheet, hot-rolled, not in coils, 600 mm wide and 3 mm thick, used for cutting tool blanks. Classified under HTS 7225.40.5110 as flat-rolled alloy tool steel of high-speed steel, thickness under 4.75 mm, not further worked than hot-rolled. Meets Chapter 72 definitions for tool steel with specific alloy compositions exceeding standard carbon and chromium thresholds.
M42 High-Speed Steel Hot-Rolled Sheet
M42 cobalt-bearing high-speed steel hot-rolled sheet, 650 mm width, 2.8 mm thickness, supplied flat not in coils for end mill production. Fits HTS 7225.40.5110 as high-speed tool steel flat-rolled product, hot-rolled only, exceeding 600 mm width and under 4.75 mm thick.