W1 Tool Steel Water-Hardening Coils
W1 high-carbon tool steel (1.0% C, low alloy) hot-rolled coils, untreated, qualifies under note (e)(i) high carbon/chromium or (iii), for files and hammers.
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If not tool-qualified
Reverts to general alloy bars if composition borderline.
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Import Tips & Compliance
• High C% key; certs must show >1.2% without disqualifying elements
Related Products under HTS 7227.90.10
Cru-Wear Tool Steel Coils
Cru-Wear PM tool steel (1.1% C, 7.5% Cr, 1.6% V, 1.1% Mo), hot-rolled untreated coils per 7227.90.10 note (e)(i)/(ii), for knives.
Silver Steel Tool Rod Coils
Silver steel (1% C, 1.5% Cr) hot-rolled in coils, untreated, tool steel note (e)(ii), for precision ground stock precursor.
1.2379 Tool Steel Coils (X153CrMoV12)
DIN 1.2379 cold work steel (1.55% C, 12% Cr, 0.6% Mo, 0.5% V), meets note (e)(i), hot-rolled irregular coils untreated.
K390 PM Tool Steel Coils
K390 (1.6% C, 9% Cr, 4% V, 1.9% Mo, 2.5% W), note (e)(i)/(v), untreated hot coils for wear parts.
M42 High-Speed Adjacent Tool Steel Coils
M42-like but non-high-speed tool steel adjusted comp (1.1% C, 4% Cr, 1.5% Mo, 9% W under thresholds), 7227.90.10 untreated coils.
D2 Tool Steel Hot-Rolled Coil
Hot-rolled bars and rods of D2 alloy tool steel (1.5% C, 12% Cr) in irregularly wound coils, not tempered, not surface treated, and not partly manufactured. Classified under HTS 7227.90.10 as other tool steel per U.S. note (e)(i) with >1.2% C and >10.5% Cr. Used for making dies and cutting tools.