EN Archives - 3D-METAL.TECH

JIS SUS310S Steel: AISI 310S Equivalent — High-Temperature Stainless up to 1100°C

SUS310S (JIS G4303) is Japan's 25Cr-20Ni high-temperature austenitic stainless. AISI 310S / 1.4845 equivalent. Max service 1100°C, oxidation and carburization resistance guide.

2026.06.22

stainless steel

JIS SUS316L Steel: AISI 316L Equivalent — Low-Carbon Mo Stainless for Welded Equipment

SUS316L (JIS G4303) limits carbon to 0.030% to prevent weld sensitization. Full guide: 1.4404 equivalents, composition vs SUS316, mechanical properties, and when to specify L-grade.

2026.06.19

stainless steel

JIS SUS316 Steel: AISI 316 Equivalent — Mo-Alloyed Stainless for Chloride Environments

SUS316 (JIS G4303) is Japan's Mo-alloyed austenitic stainless. Full guide: AISI 316 / 1.4401 equivalents, composition, pitting resistance vs SUS304, and when the Mo upgrade is worth it.

2026.06.19

stainless steel

JIS SUS329J3L Steel: SAF 2205 Equivalent — Duplex Stainless for Strength & Corrosion

SUS329J3L (JIS G4303) is Japan's SAF 2205-equivalent duplex stainless — PREN 34–38, twice the strength of SUS304, and superior stress-corrosion cracking resistance. Properties and applications guide.

2026.06.18

stainless steel

JIS SUS420J2 Steel: AISI 420 Equivalent — High-Carbon Martensitic for Blades & Molds

SUS420J2 (JIS G4303) is Japan's high-carbon martensitic stainless — hardenable to 50–56HRC. AISI 420 / 1.4028 equivalent. Properties, heat treatment, and blade/mold applications guide.

2026.06.18

stainless steel

JIS SUS410 Steel: AISI 410 Equivalent — Hardenable Martensitic Stainless for Valves & Cutlery

SUS410 (JIS G4303) is Japan's standard hardenable martensitic stainless — 12% Cr, heat-treatable to HRC 35–45. AISI 410 / 1.4006 equivalent. Properties, heat treatment, and applications.

2026.06.17

stainless steel

JIS SUS430 Steel: AISI 430 Equivalent — Ferritic Stainless, No Nickel, Magnetic

SUS430 (JIS G4303) is Japan's standard ferritic stainless — 17% Cr, no Ni, magnetic, ~30% cheaper than SUS304. Full guide: 1.4016 equivalents, properties, limits vs SUS304.

2026.06.17

stainless steel

JIS SUS630 Steel: AISI 630 / 17-4PH Equivalent — Precipitation-Hardening Stainless

SUS630 (JIS G4303) is Japan's 17-4PH precipitation-hardening stainless. Full guide: condition H900–H1150, 930–1310 MPa range, AISI 630 equivalent, and aerospace/medical applications.

2026.06.16

stainless steel

JIS SKS3 Steel: O1 Equivalent — Oil-Hardening Cold-Work Tool Steel for Short-Run Dies

SKS3 (JIS G4404) is Japan's O1-equivalent oil-hardening tool steel — simpler heat treatment than SKD11 with better toughness. Full guide: 1.2510 equivalent, heat treatment, and when SKS3 outperforms SKD11 for cold-work tooling.

2026.06.15

steel

JIS SKH55 Steel: M35 Cobalt HSS — Red Hardness for Difficult-to-Cut Materials

SKH55 (JIS G4403) is Japan's M35-equivalent cobalt HSS — 5% Co raises red hardness beyond standard M2. Full guide: 1.3243 equivalent, heat treatment, cutting tool applications for stainless, titanium, and Ni alloys.

2026.06.15

steel