CPM-M4 Tool Steel Bar
Powder metallurgy CPM-M4 tool steel bar, with high carbon/chromium/molybdenum/vanadium meeting multiple tool steel criteria excluding high-speed. Used for wear parts and cutting tools. HTS 7228.60.10 for such tool steel forms.
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If silicon-electrical steel
Angle/deviated grain-oriented silicon steels have specific provisions outside tool steel.
If ball-bearing steel composition
Alloys meeting precise ball-bearing steel specs in note (h) classify separately.
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Import Tips & Compliance
• Provide powder metallurgy process documentation alongside composition certs
• Label clearly as 'tool steel bar - not high-speed' to guide classification
• Beware quota restrictions or additional duties on certain alloy steel shapes
Related Products under HTS 7228.60.10
D2 Tool Steel Round Bar
A round bar made from D2 tool steel, an air-hardening, high-carbon, high-chromium alloy steel meeting the HTS definition for tool steel with more than 1.2% carbon and more than 10.5% chromium. Used primarily for making cutting tools, dies, and punches due to its excellent wear resistance and dimensional stability. Classified under 7228.60.10 as a bar or rod of tool steel (other than high-speed steel).
O1 Tool Steel Flat Bar
Flat bar stock of O1 tool steel, an oil-hardening alloy with 0.9% carbon and manganese/silicon/chromium meeting tool steel criteria under U.S. note (e)(iii). Ideal for blades, knives, and forming tools requiring good machinability and toughness. Falls under HTS 7228.60.10 as other bars and rods of tool steel excluding high-speed varieties.
A2 Tool Steel Square Rod
Square cross-section rod of A2 tool steel, an air-hardening grade with 1% carbon and 5% chromium qualifying as tool steel per U.S. note (e)(ii). Commonly used for shear blades, punches, and forming dies due to abrasion resistance. HTS 7228.60.10 covers such other tool steel rods not high-speed.
S7 Tool Steel Round Bar
Shock-resisting S7 tool steel round bar with 0.5% carbon and 3.25% chromium/molybdenum per tool steel definition (e)(v). Designed for impact tools like chisels and punches. Classified in 7228.60.10 as tool steel bar other than high-speed.
H13 Tool Steel Flat Stock
H13 hot work tool steel flat bar with 0.4% carbon, 5% chromium, 1.3% molybdenum per note (e). For die casting molds and extrusion dies. 7228.60.10 as tool steel rod/bar.
L6 Tool Steel Round Rod
L6 tool steel rod for aircraft parts and tools, nickel-chromium-moly alloy meeting tool steel via carbon/chromium specs. HTS 7228.60.10.