Materials for Metal 3D Printing
「Maraging Steel」

Features

Maraging steels are ultra-high-strength steels which are age-hardened with additions of Co, Mo, Ti, Al and others as age-hardening elements to low-carbon 18% nickel steels developed for constructional materials in aerospace industries.

Composition

(in %)

Elements Ni Co Mo Ti Al Fe
Standards(Regular material) 17.0~19.0 7.0~12.5 3.0~5.2 0.15~1.6 0.05~0.15 bal
Standards(Powder material) 17.0~19.0 8.5~9.5 4.5~5.2 0.6~0.8 0.05~0.15 bal

Mechanical Properties

Regular material After printing (Reference Values) Age hardening::
490℃x6hrs
(Reference Values)
Tensile Strength[MPa] 1960 or more Horizontal direction
(XY direction)
1200±100 2050±100
Vertical direction
(Z direction)
1100±100
Yield strength Rp0.2[MPa] 1350 or more Horizontal direction
(XY direction)
1100±100 1990±100
Vertical direction
(Z direction)
930±150
Elastic Modulus[GPa] 182 Horizontal direction
(XY direction)
150±25 180±20
Vertical direction
(Z direction)
140±25
Elongation[%] 7~17 Horizontal direction
(XY direction)
12±4 4±2
Vertical direction
(Z direction)
-
Hardness[HV] 290~400 Horizontal direction
(XY direction)
327-363 513-613
Surface Roughness (Ra) [μm] After printing 7±2
After blasting 5.5±1.5

Applications

Dies and molds, Production tools

Related Information

About Us

Toray Precision is a pioneer in precision micromachining technology.

Since the founding of Toray Precision Co., Ltd. in 1955, we have been contributing to the synthetic fiber industries worldwide, by making spinnerets which is a key technology for synthetic fiber manufacturing.
Our experiences and technologies obtained through our history in the precision micromachining field are widely used in various industries nowadays, including semiconductor, measurement/inspection, aerospace, and medical instruments.