Material 1.2343

Hot work tool steel

Material 1.2343 - versatile tool steel for hot work

The material 1.2343 (X37CrMoV5-1) belongs to the group of tool steels and to the subgroup tool steel for hot work.

Typical applications for the material 1.2343 are:

- Die casting tools as well as ingot molds in light metal processing.
- Tools in extrusion plants
- Dies and die inserts in forging shops
- Mandrel bars for the production of seamless tubes
- Plastic molds, mold inserts
- Extruder screws, extruder barrels
- Ejector pins
- Die holders, chucks
- reinforcement rings

Material 1.2343- what characterizes this steel

This tool steel for hot work is a chromium-molybdenum-vanadium alloy.

The chemical composition of material 1.2343 is:

C: 0,37 %
Si: 1.00 %
Mn: 0,40 %
Cr: 5.30 %
Mo: 1.30 %
V: 0,40 %

The alloy exhibits first-class toughness, good thermal shock resistance, high high-temperature strength and good hot wear resistance.
An essential factor in the manufacturing process of heavily loaded tools is proper heat treatment. Tempering twice allows the microstructural transformation to complete. For maximum toughness, three times of tempering is recommended.
This procedure reduces the risk of premature tool wear.

Machining of material 1.2343

1) Recommendation for case hardening of tool steel for hot work according to material number 1.2343

The following guide values for hardness in the as-built condition apply to various fields of application:

- Casting tools for die casting 44-52 HRC, low pressure die casting and gravity die casting 300-360 HB.
- Dies for extrusion of light metal 34-50 HRC and steel 34-48 HRC
- Die forging tools 41-54 HRC
- Molds for glass processing 180-230 HB
- Mandrel bars for pipe manufacturing 266-375 HB
- Tools for plastics processing 40-54 HRC
- Tool holders 48-54 HRC

Do you have any questions about the material or would you like to order? Complete our inquiry form, it`s free of charge and without obligation. We will get in touch with you in order to provide you with more information.

Standards

HDIN / EN	US-Standard	AFNOR	UNI	JIS	request
X37CrMoV5-1 X38CrMoV5-1	AISI H11 UNS T20811		X37CrMoV51KU	SKD6	request

Material Category: Hot work tool steel

Applications

- Die casting tools as well as ingot molds in light metal processing
- Dies in extrusion plants
- Dies and die inserts in forging shops
- Mandrel bars for the production of seamless tubes
- Plastic molds, mold inserts
- Extruder screws, extruder barrels
- Ejector pins
- Die holders, chucks
- Reinforcement rings

Heat Treatment

Hot forming: approx. 900 - 1100 C° , slow cooling
Soft annealing : 760 - 780 C° max. 229 HB, max. 780 N/mm²
2-5 hours slow furnace cooling down to approx. 530 C°.
then air cooling.

Stress relief annealing : 650 - 680 C° in quenched and tempered condition below
the last tempering temperature, slow cooling.

Hardening : at approx. 1010 - 1030 C°.

Tempering : 540 - 630 C° (3 x 2 hours each)

Quenching : oil, air

Chemical Composition

C %	Si %	Mn %	P %	S %	Cr %	Mo %	V %
0,33 - 0,41	0,80 - 1,20	0,25 - 0,50	max 0,030	max 0,020	4,80 - 5,50	1,10 - 1,50	0,30 - 0,50

Mechanical Properties

DIN EN ISO 4957 Werkzeugstähle. Legierte Werkzeugstähle für Wamarbeit.
geglüht	Härte (HBW)	<= 229 HBW
gehärtet	Härte (HRC)	~ 54,2 HRC
angelassen bei ~ 50 ° C	Härte (HRC)	~ 53,7 HRC
angelassen bei ~ 100 ° C	Härte (HRC)	~ 53 HRC
angelassen bei ~ 150 ° C	Härte (HRC)	~ 52,5 HRC
angelassen bei ~ 200 ° C	Härte (HRC)	~ 52 HRC
angelassen bei ~ 250 ° C	Härte (HRC)	~ 52 HRC
angelassen bei ~ 300 ° C	Härte (HRC)	~ 52,5 HRC
angelassen bei ~ 350 ° C	Härte (HRC)	~ 53,4 HRC
angelassen bei ~ 450 ° C	Härte (HRC)	~ 54,5 HRC
angelassen bei ~ 500 ° C	Härte (HRC)	~ 56 HRC
angelassen bei ~ 550 ° C	Härte (HRC)	~ 52 HRC
angelassen bei ~ 600 ° C	Härte (HRC)	~ 46 HRC
angelassen bei ~ 650 ° C	Härte (HRC)	~ 39 HRC

gehärtet und angelassen	Härte (HBW)	<= 249 HBW
Härte (HRC)	>= 48 HRC

Back to the overview and search.

Company

Five reasons that are in favor of BASEDO STEEL

Learn more

Services

A short overview of our services