Model No: 1.4472 Implant Grade Stainless Steel

ASTM F1586 / UNS S31675 / 1.4472 Implant Grade Stainless Steel

1.4472 implant grade stainless steel combines excellent corrosion resistance with good mechanical properties. Due to the stringent production process (consumable electrode remelting) a high quality, surgical implant grade is achieved and due to the absence of ferrite is entirely non-magnetic.

Delivery :

FOB

minimum order :

100 kilograms

Supply Ability :

5000Tonkilograms / Month

Stock Time :

7-10Day

Country of Origin :

CHINA

Quantity :

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1.4472 implant grade stainless steel combines excellent corrosion resistance with good mechanical properties. Due to the stringent production process (consumable electrode remelting) a high quality, surgical implant grade is achieved and due to the absence of ferrite is entirely non-magnetic.

The 1.4472 (UNS S31675) grade has superior corrosion resistance and mechanical properties to the 1.4441 (316LVM) grade. The mastery of its EAF/AOD production method followed by ESR remelting gives it a high level of cleanliness and homogeneity, which are essential to guarantee high fatigue resistance and quality processing.

Specifications

1.4472

ISO 5832-9

EN DIN X4CrNiMnMo 21-9-4

ASTM F1586

NF S94-090

UNS S31675

Chemical Composition

	C	Si	Mn	P	S	Cr	Mo	Ni	V	Nb	N	Fe
Min			2.00			19.50	2.00	8.00		0.25	0.25	Balance
Max	0.008	0.75	4.25	0.025	0.008	22.00	3.00	11.00		0.80	0.50

Mechanical Properties

Condition	Tensile (Rm) Mpa	Yield (R0.2%) MPA	Elongation A4d (%)
Annealed	≥ 740	≥ 430	>40
Cold Worked	900-1500	600-1200	13-35

Forgeability

UNS S31675 can be hot forged in the temperature range 1000/1150°C.

Polishability

The high level of inclusionary cleanliness and the homogeneity of the microstructure of this grade allows optimum polishing.

Heat Treatments

Annealing at 1050-1080°C followed by rapid quenching can be carried out after forging to restore corrosion resistance, but no heat treatment is used to harden the grade.

Applications

Due to its recognised biocompatibility in the medical field, the grade is mainly used in the manufacture of implants obtained by forging and/or machining. The material is available in the annealed state but also in the hardened state for smaller dimensions.

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