H13 Hot Work Tool Steel Powder
Tool Steel Powders · Metal Additive Manufacturing Powder
H13 (1.2344) hot-work tool steel powder is the most popular tool-steel grade for metal AM, used to print injection-mold inserts with conformal cooling channels and die-casting tooling. Conformal cooling shortens cycle times 20-40% in injection molding, which is the main business case for H13 AM tooling. As-built H13 reaches 1,890 MPa UTS; after standard quench-and-temper (48-52 HRC target) it delivers the hot hardness and thermal-fatigue resistance toolmakers expect. Gas-atomized powder in 15-53 µm is standard. Tooling buyers should request chemistry per ASTM A681 with chromium 4.75-5.5% and vanadium 0.8-1.2% verified, and discuss heat-treatment support with the supplier.
Typical Applications
H13 Hot Work Tool Steel Powder - Key Properties
| Chemical composition (wt%) | Fe bal · C 0.32-0.45 · Cr 4.75-5.5 · Mo 1.1-1.75 · V 0.8-1.2 · Si 0.8-1.2 |
| Density | 7.80 g/cm³ (bulk) |
| Tensile strength (as-built) | 1,890 MPa UTS · 1,080 MPa YS (median of 11 data points) |
| Elongation (as-built) | 6% (median of 11 data points) |
| Hardness | 560 HV as-built · 48-52 HRC quench & tempered |
| Particle size | 15-53 µm |
| Production | Gas atomization |
| Standards | ASTM A681 · DIN 1.2344 · JIS SKD61 |
4 product offer(s) — 3 supplier(s)
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53-150μm · NULL (China)Quote$21.00–24.00per kg
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Custom size · ZTT SRIM Additive Manufacturing Co.,Ltd. (Nantong, Jiangsu)QuotePrice on request
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53-150μm · Shaanxi Guizidan New Material Co., Ltd. (Hanzhong, Shaanxi)QuotePrice on request
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15-53μm · Shaanxi Guizidan New Material Co., Ltd. (Hanzhong, Shaanxi)QuotePrice on request
Frequently Asked Questions
How much does H13 tool steel powder cost?
H13 AM powder typically quotes $30-70 per kg — one of the most economical tool-steel powders. Get live quotes from verified suppliers on this page within 24 hours.
What heat treatment does printed H13 need?
Austenitize at 1,010-1,040°C, quench, then double temper at 540-600°C to reach 48-52 HRC. Always stress-relieve before cutting the part off the build plate.
Why print H13 molds instead of machining?
Conformal cooling channels impossible to machine conventionally can cut injection-molding cycle time by 20-40% and reduce warpage — the primary ROI of H13 AM tooling.
Which particle size is right for H13 tooling?
15-53 µm is the standard cut for tooling LPBF work; finer 15-45 µm improves channel surface quality on small inserts.
Can printed H13 match forged H13 performance?
With proper heat treatment, printed H13 reaches comparable hardness and hot strength; porosity must be controlled (HIP optional) for polished mold surfaces.
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