Heat-Resisting Steel Powder
Alloy steel powder per US note (g): <0.3% C, 4-10.5% Cr for furnace components and heat exchangers. HTS 7205.21.00.00 as defined alloy steel. Vacuum-atomized, 50-200 micron.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If same composition in semi-finished forms
Wrought heat-resisting steel products under specific alloy headings.
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Import Tips & Compliance
• Certify carbon <0.3% and Cr 4-10.5% range exactly; high-temperature service documentation; no 'further worked' coatings allowed
Related Products under HTS 7205.21.00.00
AISI 4340 Alloy Steel Powder
Fine powder made from AISI 4340 nickel-chromium-molybdenum alloy steel, used in additive manufacturing and metal injection molding. Classified under HTS 7205.21.00.00 as it consists of granules and powders of alloy steel, meeting the chapter's definition for steel alloys with specified elements. Particle size typically ranges from 15-45 microns for optimal sintering.
17-4 PH Stainless Steel Powder
Precipitation-hardening stainless steel powder (17% chromium, 4% nickel) used for aerospace components via selective laser melting. Falls under HTS 7205.21.00.00 as alloy steel powder per chapter definitions for chromium-containing steels. Typically spherical particles of 15-53 micron size.
Tool Steel H13 Powder
H13 hot-work tool steel powder (chromium-molybdenum alloy) for die casting and forging tooling via powder metallurgy. HTS 7205.21.00.00 applies as it meets tool steel definition in US note (e) with >1.2% carbon and >10.5% chromium equivalent composition. Gas-atomized for uniform 20-100 micron particles.
Inconel 718 Alloy Steel Powder
Nickel-chromium superalloy powder (Inconel 718) used in turbine blades and high-temperature aerospace parts. Classified HTS 7205.21.00.00 as alloy steel powder despite high nickel, based on iron-base composition meeting chapter alloy criteria. Fine spherical powder, 15-45 microns.
Maraging Steel Grade 250 Powder
Maraging steel C250 powder (18% nickel, cobalt, molybdenum alloy) for rocket motor cases and precision tooling. HTS 7205.21.00.00 as alloy steel powder with ultra-high strength after aging heat treatment. Atomized to 20-60 micron size.
D2 Tool Steel Powder
D2 high-carbon high-chromium tool steel powder for cold-work dies and shear blades via PM-HIP process. Meets HTS 7205.21.00.00 and US note (e)(i) tool steel definition (>1.2% C, >10.5% Cr). Typical size -100/+325 mesh.