No-HRE Sintered NdFeB Magnets (Dy/Tb-Free) — Performance Table + PDF Download
If you are sourcing neodymium magnets for global delivery, the fastest way to de-risk procurement is to lock down: grade/temperature, coercivity window, stability coefficients, and batch verification. This page summarizes our Dy/Tb-free (No heavy rare earth) sintered NdFeB capability and provides the downloadable spec PDF.
Dy/Tb-Free
No-HRE sintered NdFeB route
N / M / H / SH
Grade families covered
80–150°C
Typical Tw windows by grade
CoC + Traceability
For supplier onboarding & audits
Who We Are — JIADA MAGNET
JIADA MAGNET is a production-driven supplier focused on sintered NdFeB magnets and magnet assemblies. We run a procurement-friendly workflow: engineering review → tooling / machining → coating → magnetization → dimensional & magnetic inspection → export packaging → compliant shipping documents. The goal is simple: stable batches, predictable lead time, and less rework for your QA and purchasing team.
- B2B process: drawings/spec review + grade/coating suggestion + DFM feedback.
- Quality deliverables: CoC / inspection report / batch traceability on request.
- Export execution: packing, labeling, shielding packaging, and documentation support.
- Customization: machining (grinding, countersunk, arcs/segments), assemblies (magnet + steel + plastic).
What “No-HRE” Means (Dy/Tb-Free) — Why Buyers Care
No-HRE (No heavy rare earth) in this context means the magnets are produced without adding Dy (Dysprosium) and Tb (Terbium) as alloying elements for coercivity boosting. Many procurement teams prefer No-HRE when the application temperature window allows, because it can improve: material supply stability, cost predictability, and regulatory / export complexity.
- Dy/Tb-free bill of materials
- Stable coercivity spec windows
- More predictable long-term sourcing
- B/H curve & demag margin check
- Hcj at operating temperature
- Batch-to-batch consistency
Step 1 — Define Temperature Window
First lock the maximum working temperature and demagnetization risk. For example, common Tw bands in this sheet include 80°C (N series), 100°C (M series), 110–120°C (H series), and 150°C (SH series).
Step 2 — Choose Coercivity Strategy
Check Hcj first for demag resistance. Then verify Br and (BH)max for energy density. We can help you map your rotor/motor/holding design to a safe coercivity margin.
Step 3 — Confirm with Test & Reports
For production approval, request a CoC and (if needed) a B/H curve report at target temperature. This reduces hidden cost: rework, re-sourcing, and field failures.
Download: No-HRE Sintered NdFeB Performance PDF
Performance Table — No-HRE Sintered NdFeB (Dy/Tb-Free)
Below is a web-friendly version of the PDF table (scroll horizontally on mobile). Values shown as ranges or minimums; final confirmation should follow your drawing, coating, and test plan.
| Family | Grade | Br (mT / kGs) | Hcb (kA/m / kOe) | Hcj (kA/m / kOe) | (BH)max (kJ/m³ / MGOe) | |αBr| %/°C | |βHcj| %/°C | Tw (°C) | Note |
|---|---|---|---|---|---|---|---|---|---|
| N | N35 | 1180–1230 (11.8–12.3) | ≥876 (≥11) | ≥960 (≥12) | 263–287 (33–36) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N38 | 1230–1260 (12.3–12.6) | ≥899 (≥11.3) | ≥960 (≥12) | 287–310 (36–39) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N40 | 1260–1290 (12.6–12.9) | ≥912 (≥11.5) | ≥960 (≥12) | 302–326 (38–41) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N42 | 1290–1330 (12.9–13.3) | ≥923 (≥11.6) | ≥960 (≥12) | 318–342 (40–43) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N45 | 1330–1370 (13.3–13.7) | ≥931 (≥11.7) | ≥960 (≥12) | 342–366 (43–46) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N48 | 1370–1400 (13.7–14.0) | ≥939 (≥11.8) | ≥960 (≥12) | 366–390 (46–49) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N50 | 1400–1430 (14.0–14.3) | ≥947 (≥11.9) | ≥960 (≥12) | 382–406 (48–51) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N52 | 1430–1460 (14.3–14.6) | ≥947 (≥11.9) | ≥960 (≥12) | 398–422 (50–53) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| N | N55 | 1460–1500 (14.6–15.0) | ≥860 (≥10.8) | ≥960 (≥12) | 414–446 (52–56) | 0.11–0.13 | 0.60–0.75 | 80 | Dy/Tb-free |
| M | 35M | 1180–1230 (11.8–12.3) | ≥899 (≥11.3) | ≥1114 (≥14) | 263–287 (33–36) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | 38M | 1230–1260 (12.3–12.6) | ≥923 (≥11.6) | ≥1114 (≥14) | 287–310 (36–39) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | 40M | 1260–1290 (12.6–12.9) | ≥947 (≥11.9) | ≥1114 (≥14) | 302–326 (38–41) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | 42M | 1290–1330 (12.9–13.3) | ≥971 (≥12.2) | ≥1114 (≥14) | 318–342 (40–43) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | 45M | 1330–1370 (13.3–13.7) | ≥1002 (≥12.6) | ≥1114 (≥14) | 342–366 (43–46) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | 48M | 1370–1400 (13.7–14.0) | ≥1027 (≥12.9) | ≥1114 (≥14) | 366–390 (46–49) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | 50M | 1400–1430 (14.0–14.3) | ≥1035 (≥13.0) | ≥1114 (≥14) | 382–406 (48–51) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | 52M | 1430–1460 (14.3–14.6) | ≥995 (≥12.5) | ≥1114 (≥14) | 398–422 (50–53) | 0.11–0.13 | 0.60–0.70 | 100 | Dy/Tb-free |
| M | N54M | 1450–1460 (14.3–14.6) | — | — | — | — | — | — | Dy/Tb-free Contact for details |
| H | 30H | 1080–1140 (10.8–11.4) | ≥827 (≥10.4) | ≥1353 (≥17) | 223–247 (28–31) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 33H | 1140–1180 (11.4–11.8) | ≥860 (≥10.8) | ≥1353 (≥17) | 247–271 (31–34) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 35H | 1180–1230 (11.8–12.3) | ≥899 (≥11.3) | ≥1353 (≥17) | 263–287 (33–36) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 38H | 1230–1260 (12.3–12.6) | ≥923 (≥11.6) | ≥1353 (≥17) | 287–310 (36–39) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 40H | 1260–1290 (12.6–12.9) | ≥947 (≥11.9) | ≥1353 (≥17) | 302–326 (38–41) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 42H | 1290–1330 (12.9–13.3) | ≥971 (≥12.2) | ≥1353 (≥17) | 318–342 (40–43) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 45H | 1330–1370 (13.3–13.7) | ≥1003 (≥12.6) | ≥1353 (≥17) | 342–366 (43–46) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 48H | 1370–1400 (13.7–14.0) | ≥1035 (≥13.0) | ≥1353 (≥17) | 366–390 (46–49) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 50H | 1400–1430 (14.0–14.3) | ≥1058 (≥13.3) | ≥1353 (≥17) | 382–406 (48–51) | 0.11–0.12 | 0.60–0.62 | 120 | Dy/Tb-free |
| H | 52H | 1430–1460 (14.3–14.6) | ≥1074 (≥13.5) | ≥1274 (≥16) | 398–422 (50–53) | 0.11–0.12 | 0.60–0.62 | 110 | Dy/Tb-free |
| H | N54H | 1430–1460 (14.3–14.6) | ≥1074 (≥13.5) | ≥1274 (≥16) | 398–422 (50–53) | 0.11–0.12 | 0.60–0.62 | 110 | Dy/Tb-free |
| SH | 30SH | 1080–1140 (10.8–11.4) | ≥827 (≥10.4) | ≥1592 (≥20) | 223–247 (28–31) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
| SH | 33SH | 1140–1180 (11.4–11.8) | ≥860 (≥10.8) | ≥1592 (≥20) | 247–271 (31–34) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
| SH | 35SH | 1180–1230 (11.8–12.3) | ≥899 (≥11.3) | ≥1592 (≥20) | 263–287 (33–36) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
| SH | 38SH | 1230–1260 (12.3–12.6) | ≥923 (≥11.6) | ≥1592 (≥20) | 287–310 (36–39) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
| SH | 40SH | 1260–1290 (12.6–12.9) | ≥947 (≥11.9) | ≥1592 (≥20) | 302–326 (38–41) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
| SH | 42SH | 1290–1330 (12.9–13.3) | ≥971 (≥12.2) | ≥1592 (≥20) | 318–342 (40–43) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
| SH | 45SH | 1330–1370 (13.3–13.7) | ≥1003 (≥12.6) | ≥1592 (≥20) | 342–366 (43–46) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
| SH | 48SH | 1370–1400 (13.7–14.0) | ≥1035 (≥13.0) | ≥1592 (≥20) | 366–390 (46–49) | 0.11–0.12 | 0.50–0.60 | 150 | Dy/Tb-free |
FAQ — Common Buyer Questions
Yes. Many customers magnetize in-house for rotor assembly control and yield protection.
We can support B/H curve verification and share reports based on your required test points (e.g., 110°C / 150°C).
- Drawing (PDF/STEP) + tolerances
- Working temperature & environment (corrosion, salt fog)
- Grade preference (or target force/flux)
- Coating requirement (NiCuNi / Zn / epoxy, etc.)
- Quantity & delivery destination
What We Can Do Before You Place a PO
- Engineering review: suggest grade / coating / magnetization direction based on application.
- Risk control: verify demag margin with Hcj window and temperature coefficients.
- Batch stability: define inspection items (dimensions, appearance, magnetic properties).
- Documentation pack: CoC + basic compliance docs for onboarding (as required).
- Delivery execution: export packaging and shipping document support.
Request Quote / No-HRE Grade Recommendation
Send your drawing and requirements. We will respond with grade/coating suggestions, feasibility notes, and a quotation plan.
