兰诺

Processes

Combination of proprietary technology and modern production techniques

Preparation of raw materials according to recipe ratios

Melting and flaking

Hydrogen crushing and air flow milling

Blank Forming and Orientation in Magnetic Fields

Sintering & Ageing

Machining

Electroplated

Product saturation magnetization

Packaging and transportation

IQC

Analyze alloy structure and composition

Examining particle size and particle size distribution

Checking the dimensions and perpendicularity of the blank

Detection of sintered dimensions and magnetic properties

Inspection of dimensional accuracy

Detecting Flux

Inspection of appearance, etc.

Packaging and transportation

Processes

Preparation of raw materials according to recipe ratios

IQC

Melting and flaking

Analyze alloy structure and composition

Hydrogen crushing and air flow milling

Examining particle size and particle size distribution

Blank Forming and Orientation in Magnetic Fields

Checking the dimensions and perpendicularity of the blank

Sintering & Ageing

Detection of sintered dimensions and magnetic properties

Machining

Inspection of dimensional accuracy

Electroplated

Detecting Flux

Product saturation magnetization

Inspection of appearance, etc.

Packaging and transportation

Quality control

Quality objective

≥98 points

Job satisfaction

Customer satisfaction ≥ 98 points

≤2 pieces

Customers claim

Customer complaints ≤ 2 per month

100%

Yields

100% yield rate of finished product shipment

100%

Satisfactory rate

Main raw materials sampling inspection pass rate 100%

98%

98% pass rate for rough inspection lots

≥98%

Satisfactory rate

Outside processing lot pass rate ≥98%

Performance and Parameters

Physical properties of sintered NdFeB materials

Physical properties of surface treatment and use environment

Sintered NdFeB Magnetic Properties Parameter Table

Items	Parameter Values	Unit
Curie Temperature	310～380	℃
Relative Recoil Permeability	1.02～1.05
Reversible Temperature Coefficient of Br (20~100℃)	-0.09～-0.13	%/℃
Reversible Temperature Coefficient of Hcj (20~100℃)	-0.4～-0.7	%/℃
Density	7.50～7.70	g/cm3
Vickers Hardness	550～700
Bending Strength	-0.09～-0.13	MPa
Tensile Strength	≥80	MPa
Compressive Strength	800 ~1050	MPa
Electric Resistivity	150	μΩ·cm
Thermal Conductivity	8～10	W/(M·℃)
Coefficient of Thermal Expansion （Parallel to the orientation）	5	10-6/K
Coefficient of Thermal Expansion （vertical to the orientation）	-1.5	10-6/K
Young's Modulus	150～200	GPa
（20℃～320℃）Specific Heat（20℃～320℃）	3.0～4.6	J/(g·k)
weight loss（low weight loss products）	≤2	mg/cm2

Coating Material	Colour	Properties	Environment of Application	Thickness of Coating layer
Zine	Blue, Black and rainbow etc	Compact, Stable and Homogeneous	With reasonalbe capability of anticorrosion
Nickel-Copper-Nickel	White and black	Light and Stable	Suitable for higher corrosive environment
Phosphorization	Colorless or light gray	Uniform thickness	Short-term anticorrosion
Epoxy	Black and Gray	layer with certain luster, insurability	Suitable for higher corrosive environment
Parylene	Transparency	Uniform thickness, density pinholes- free and insurability	Excellent capability of anticorrosion especially for small items
Ni+Cu+Epoxy	Black	Layer with certain luster insurability and stability	Excellent capability ofanticorrosion. Suitable for hostile environment salt spray resistance>300hr
Al+Epoxy	Black	Layer with certain luster insurability and stability	Excellent capability of anticorrosion. Suitable for hostile environment Salt spray resistance>650hr Widely used in EV industry.

Grade	(Br)KGs	(Hcb)KOe	(Hcj)KOe	(BH)maxMGOe	Hk/Hcj	(T)℃
N33	11.4~11.8	≥10.5	≥12	31~35	≥95	80℃
N35	11.8-12.3	≥11	≥12	33~37	≥95	80℃
N38	12.3~12.7	≥11.2	≥12	36~40	≥95	80℃
N40	12.7~12.9	≥11.4	≥12	38~42	≥95	80℃
N42	12.9~13.3	≥11.5	≥12	40~44	≥95	80℃
N45	13.3~13.7	≥11.6	≥12	43~47	≥95	80℃
N48	13.7~14.0	≥11.6	≥12	45~49	≥95	80℃
N50	13.9~14.2	≥11.4	≥12	48~52	≥95	80℃
N52	14.2~14.5	≥10.2	≥11	49~53	≥95	80℃
N54	14.4 14.8	≥10.2	≥11	50~54	≥95	80℃
35M	11.8~12.3	≥10.9	≥14	33~36	≥95	100℃
38M	12.3-12.6	≥11.5	≥14	36~40	≥95	100℃
40M	12.6~12.9	≥11.8	≥14	38~42	≥95	100℃
42M	12.9 13.3	≥12.0	≥14	40~44	≥95	100℃
45M	13.3~13.7	≥12.5	≥14	43~46	≥95	100℃
48M	13.6~14.0	≥12.9	≥14	45~49	≥95	100℃
50M	13.9~14.2	≥13	≥ 14	47~51	≥95	100℃
52M	14.2~14.6	≥12.5	≥13	49~53	≥95	100℃
35H	11.8~12.3	≥11	≥17	33~37	≥95	100℃
38H	12.3~12.6	≥11.4	≥17	36~40	≥95	120℃
40H	12.6~12.9	≥11.7	≥17	38 ~42	≥95	120℃
42H	12.9~13.3	≥12.0	≥17	40 ~44	≥95	120℃
45H	13.3~13.7	≥12.5	≥17	43~47	≥95	120℃
48H	13.7~13.9	≥12.8	≥16	45 ~49	≥95	100℃
50H	13.9~14.2	≥12.9	≥16	47~51	≥95	100℃
52H	14.2~14.5	≥12.8	≥16	48 ~53	≥95	100℃
33SH	11.4~11.9	≥10.5	≥20	31~35	≥92	150℃
35SH	11.8-12.3	≥11.2	≥20	33~37.5	≥92	150℃
38SH	12.3~12.6	≥11.3	≥20	36.5~40	≥92	150℃
40SH	12.6~12.9	≥11.8	≥20	38~41	≥92	150℃
42SH	12.9~13.3	≥12.4	≥20	40~44	≥92	150℃
45SH	13.3~13.7	≥12.5	≥20	43~46	≥92	150℃
48SH	13.7~14.0	≥12.8	≥20	45~49	≥92	150℃
50SH	13.9~14.2	≥12.9	≥20	47~51	≥92	150℃
52SH	14.2~14.5	≥12.8	≥19	48~53	≥92	150℃
30UH	10.8~11.4	≥9.5	≥25	28~32	≥90	180℃
33UH	11.4~11.8	≥10.3	≥25	31~34	≥90	180℃
35UH	11.8~12.3	≥10.6	≥25	33~37	≥90	180℃
38UH	12.3~12.6	≥11.1	≥25	36~39	≥90	180℃
40UH	12.6~12.9	≥11.5	≥25	38~41	≥90	180℃
42UH	12.9~13.3	≥11.8	≥25	40~43	≥90	180℃
45UH	13.3~13.7	≥12.2	≥24	43~46	≥90	180℃
48UH	13.7~14.2	≥12.5	≥24	45~49	≥90	180℃
50UH	13.9~14.3	≥12.8	≥24	47~51	≥90	150℃
52UH	14.2~14.5	≥13.1	≥24	48~53	≥90	180℃
30EH	11.0~11.4	≥9.5	≥30	28~31	≥90	200℃
33EH	11.4~11.8	≥10.3	≥30	31~34	≥90	200℃
35EH	11.8~12.2	≥11.1	≥30	33~36	≥90	200℃
38EH	12.2~12.5	≥11.6	≥30	35~39	≥90	200℃
40EH	12.5~12.8	≥11.9	≥30	37~41	≥90	200℃
42EH	12.8~13.1	≥12.2	≥29	39~43	≥90	200℃
28TH	10.5~10.8	≥9.5	≥35	26~29	≥90	230℃
30TH	10.8~11.4	≥10.1	≥35	28~31	≥90	230℃
33TH	11.4~11.8	≥10.2	≥35	31~34	≥90	230℃
35TH	11.8~12.2	≥10.6	≥35	33~36	≥90	230℃
38TH	12.2~12.5	≥11.6	≥33	35~39	≥90	230℃