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How Can a Single Powder Shape the Future of Manufacturing? Discover Stainless Steel Powder for 3D Printing

2025-06-10

As powder metallurgy technology continues to advance, stainless steel metal powders are becoming increasingly prevalent in industrial manufacturing. From automotive components and medical devices to 3D printing materials and high-end electronics, these powders are everywhere—serving as indispensable materials in modern manufacturing.

What is Stainless Steel Powder?
Stainless steel powder is created by processing stainless steel through specialized powder-making methods such as gas atomization or plasma atomization. The result is fine, nearly spherical particles, typically ranging in size from 15 to 100 microns. These powders serve as the “ink” for metal 3D printers. Under the influence of high-energy lasers or electron beams, the powder is melted layer by layer and stacked to form dense, fully functional metal parts.

Stainless steel powder is one of the most popular materials in metal 3D printing, with its Core Advantages reflected in three key aspects:
1. Process Compatibility
* Stainless steel powder has high laser absorption efficiency (e.g., DMLS/SLM technologies), enabling smooth shaping and excellent weldability, which ensures stable printing and high-precision outputs.
* Its high sphericity (up to 98% with technologies like SS-PREP®) and excellent flowability guarantee uniformity and density in printed layers.

2. Physical Properties
* Outstanding resistance to rust, corrosion, and wear makes it ideal for long-term use in harsh environments, such as marine equipment and chemical components.
* High tensile strength, with some specialty stainless steels (like 17-4PH) capable of further mechanical enhancement through heat treatment.

3. Cost-Effectiveness
* Compared to high-end materials like titanium alloys, stainless steel offers a lower cost and higher recyclability, significantly reducing production expenses.

Stainless steel powder finds applications in aerospace, medical devices, automotive manufacturing, mold making, and more.

Based on the types of stainless steel, it can be categorized into the following major classes:

奥氏体不锈钢 Austenitic stainless steels

 

Standards*

Fe

C

Cr

Ni

Mo

Si

Mn

S

P

Other

O

1.4882

UNS S63019

Bal.

0.5

21

4.5

-

0.3

9

≤0.05

≤0.03

-

-

304L

UNS S30400 / S30403

Bal.

0.03

18.0-20.0

8.0-12.0

-

1

2

0.03

0.045

-

-

310S

UNS S31008

Bal.

0.08

24.0-26.0

19.0-22.0

-

1.5

2

0.03

0.045

-

-

316L

UNS S31600 / S31603

Bal.

≤0.03

16.0-18.0

10.0-14.0

2.0-3.0

≤1.0

≤2.0

≤0.03

≤0.045

N ≤0.10

-

316Ti

UNS S31635

Bal.

0.08

16.0-18.0

10.0-14.0

2.0-3.0

1

2

-

-

Ti 0.7,N 0.25

-

904L

UNS N08904

Bal.

0.02

19.0-23.0

23.0-28.0

4.0-5.0

1

2

0.035

0.045

-

-

HK30

JIS J92403

Bal.

0.25-0.35

23.0-27.0

19.0-22.0

0.5

0.75-1.75

1.5

-

-

Nb 1.20-1.50

-

N-50

UNS S20910

Bal.

0.03-0.05

20.5-22.0

11.7-13.0

2.0-2.5

0.2-0.6

4.0-5.5

≤0.015

≤0.040

Ta ≤0.10, Ti ≤0.02, Sn ≤0.03, W ≤0.15, Cu ≤0.75

-

N-60

UNS S21800

Bal.

0.1

16.0-18.0

8.0-9.0

-

3.5-4.5

7.0-9.0

-

-

N 0.08-0.18

-

PANACEA

-

Bal.

≤0.05

16.5-17.5

≤0.10

3.0-3.5

0.40-0.80

10.5-11.5

≤0.04

≤0.04

Co ≤0.05, N 0.15-0.60, Nb ≤0.73

<0.2

双相不锈钢 Duplex stainless steels

 

Standards*

Fe

Cr

Ni

Mo

C

Si

Mn

P

S

N

Other

1.4091

EN Number 1.4091

Bal.

32-38

11-16

2.0-4.0

1.0- 1.5

≤1.0

≤1.0

≤0.035

≤0.035

0.10-0.40

W 0.5-2.0

2205

UNS S32205 / S32205

Bal.

22

5

3.2

≤0.030

≤1.0

≤2.0

≤0.030

≤0.015

0.18

-

2507

UNS S32750

Bal.

25

7

4

≤0.030

≤0.8

≤1.2

≤0.025

≤0.015

0.3

Cu 0.5

2707

UNS S32707

Bal.

27

6.5

4.8

≤0.030

≤0.5

≤1.5

≤0.035

≤0.010

0.4

Co 1.0

3207

UNS S33207

Bal.

32

7

3.5

≤0.030

≤0.8

≤1.5

≤0.035

≤0.010

0.5

-

马氏体不锈钢 Martensitic stainless steels

 

Standards

Fe

C

Cr

Nb

Mo

Si

Mn

S

P

410

UNS S41000 / EN No. 1.4006

Bal.

0.15

11.5-13.5

-

-

1

1

0.03

0.04

420

UNS S42000 / EN No. 1.4021

Bal.

0.3

13

-

-

≤1.0

≤1.0

≤0.03

≤0.04

440B

UNS S44003 / EN No. 1.4112

Bal.

0.75-0.95

16.0-18.0

-

0.75

1

1

0.03

0.04

440C

UNS S44004 / EN No. 1.4125

Bal.

0.95-1.20

16.0-18.0

-

0.75

1

1

0.03

0.04

铁素体不锈钢 Ferritic stainless steels

 

Standards*

Fe

C

Cr

Si

Mn

Mo

S

P

N

Nb

Ti

Ni

430

UNS S43000 / EN No. 1.4016

Bal.

0.12

16.0-18.0

1

1

-

0.03

0.04

-

-

-

-

430L

UNS 43000

Bal.

0.03

16.0-18.0

1

1

-

0.03

0.04

-

-

-

-

434

UNS S43400 / EN No. 1.4113

Bal.

0.12

16.0-18.0

1

1

1

0.03

0.04

-

-

-

-

441

UNS S43940

Bal.

0.005-0.030

17.5-19.0

< 1.0

< 1.0

-

< 0.040

< 0.040

-

0.70-0.95

0.2-0.6

< 1.0

446

UNS S44600

Bal.

< 0.2

26.0-29.0

< 1.0

< 1.5

-

< 0.015

< 0.040

0.15-0.25

-

-

-

沉淀硬化不锈钢 Precipitation hardening stainless steels

 

Standards*

Fe

C

Cr

Si

Mn

S

P

Cu

Nb

Mo

Al

Ni

15-5PH

UNS S1550

Bal.

0.07

14.0-15.5

1

1

0.04

0.03

2.5-4.5

0.15-0.45

-

-

3.5-5.5

17-4PH

UNS S17400

Bal.

≤0.07

15.5-17.5

1

≤1.0

≤0.04

≤0.03

3.0-5.0

0.15-0.45

≤0.3

-

3.0-5.0

17-7PH

UNS S17700

Bal.

0.09

16.0-18.0

1

1

0.04

0.04

-

-

-

0.75-1.50

6.5-7.75

PH13-8MO

UNS S13800

Bal.

≤0.5

12.25-13.25

≤0.1

≤0.1

≤0.008

≤0.01

-

-

2.0-2.5

0.90-1.35

7.5-8.5

Why Choose CENTURION MATERIAL INNOVATION INC.’s Stainless Steel Powder?
As a specialized company focused on metal powders, Centurion is committed to providing high-quality stainless steel powders with the following core advantages:
1. Diverse Product Range:
   A wide selection including grades such as 304L, 316L, and 17-4PH to meet various industrial needs.

2. Strict Quality Control:
   Uniform particle size distribution and high purity, compliant with both domestic and international industry standards.

3. Responsive Service:
   In-stock availability and fast delivery, along with expert application consulting and technical support.

Whether you're engaged in 3D printing, powder metallurgy, or specialized manufacturing processes, we offer reliable stainless steel powder solutions tailored to your needs.

Feel free to contact us for samples and quotations—let our high-quality stainless steel powder add strength and brilliance to your products!