GCr15 Hot-Rolled Ball-Bearing Steel Sheet
Chinese GB/T GCr15 high-carbon chromium bearing steel sheet, hot-rolled to 380 mm width and 3.2 mm thickness, conforming exactly to U.S. ball-bearing steel definition in Chapter 72 note (h). Not further worked, classifying under HTS 7226.91.15.30 for alloy tool steel products 300 mm or wider. Widely used for roller bearing rings and balls in heavy machinery.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied as bars rather than flat-rolled
Alloy steel bars for bearings classify under 7228 even if same ball-bearing composition.
If not alloy tool steel
Lower alloy content non-tool steels go to heading 7214 for hot-rolled bars/plates.
If further worked like polished
Any surface treatment beyond hot-rolling (per Chapter 72 note) shifts to 7226.92.
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Import Tips & Compliance
• Provide original mill certificates with heat analysis matching note (h) elements
• Ensure proper packing to prevent surface damage disqualifying 'not further worked' status
• Be prepared for CBP verification of alloy content via spectrometry if challenged
Related Products under HTS 7226.91.15.30
AISI 52100 Hot-Rolled Ball-Bearing Steel Sheet
Flat-rolled alloy steel sheet made from AISI 52100 grade, specifically formulated for ball-bearing applications with precise carbon (0.95-1.13%), chromium (1.25-1.65%), and low sulfur/phosphorus content as defined in Chapter 72 note (h). This product is hot-rolled, not further worked, with a width of 400 mm and thickness under 3 mm, classifying under HTS 7226.91.15.30 due to its ball-bearing steel composition and dimensions. Used primarily in manufacturing high-precision bearings for automotive and industrial applications.
SUJ2 Hot-Rolled Ball-Bearing Steel Plate
Japanese JIS SUJ2 grade hot-rolled flat steel plate designed for ball bearings, meeting U.S. Chapter 72 note (h) with 1.0% carbon, 1.5% chromium, and minimal impurities. Width of 350 mm, thickness 4 mm, not further worked beyond hot-rolling, fitting HTS 7226.91.15.30 for tool steel of ball-bearing quality over 300 mm wide. Essential for producing bearing races and rolling elements in machinery.
100Cr6 Hot-Rolled Ball-Bearing Steel Strip
European 100Cr6 grade hot-rolled steel strip for ball-bearing production, precisely matching Chapter 72 (h) with controlled carbon (0.95-1.13%), chromium (1.25-1.65%), and low non-metallics. 320 mm wide, 2.5 mm thick, not further worked, classified in HTS 7226.91.15.30 as flat-rolled tool steel of ball-bearing quality over 300 mm. Ideal for precision bearing components in aerospace applications.
52100 High-Carbon Hot-Rolled Bearing Steel Plate
ASTM A485 Grade 52100 hot-rolled plate for demanding bearing applications, 450 mm wide, 5 mm thick, with ball-bearing steel chemistry per Chapter 72 note (h) including 1.05% carbon and 1.45% Cr. Classifies in HTS 7226.91.15.30 as hot-rolled tool steel flat product over 300 mm wide, not further worked. Used in wind turbine and railway bearings.