UGI® 4116N Annealed

Want to keep this datasheet? Save it now in your required format

Description

The high carbon and nitrogen content of UGI® 4116N leads to a very attractive corrosion resistance versus hardness properties. It can replace grades 1.4112 / 1.4125 (AISI 440B and 440C) in many applications.

Processing similar to type 1.4034 (AISI 420) stainless steel, therefore much easier than 1.4112 / 1.4125 (AISI 440B and 440C)

Recommended applications: pins, shafts, nozzles, wear resistant parts, etc. as a replacement of 1.4112/1.4125 or AISI 440B / 440C.


Possible mechanical properties after treatment on parts:

The following Table summarizes the mechanical properties at room temperature which may be obtained after heat treatment on parts:


ConditionHardnessImpact Values KCV
Air Cooled from 1050°C + Tempered 200°C/1h57.56.7 J/cm²
Air Cooled from 1050°C + Cryogenic Cooling (-80°C/1h) + Tempering 200°C/1h58.52.3 J/cm²

Related Standards

Equivalent Materials

This material data has been provided by Ugitech SA.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

PropertyValue

Density

7.7 g/cm³

Show Supplier Material materials with Density of 7.7 g/cm³

Mechanical

PropertyValue

Elastic modulus

215 GPa

Show Supplier Material materials with Elastic modulus of 215 GPa

Hardness, Vickers

210.0

Show Supplier Material materials with Hardness, Vickers of 210.0

Thermal

PropertyValueComment

Coefficient of thermal expansion

0.0000112 1/K

Show Supplier Material materials with Coefficient of thermal expansion of 0.0000112 1/K

20 to 300°C

Thermal conductivity

30 W/(m·K)

Show Supplier Material materials with Thermal conductivity of 30 W/(m·K)

Electrical

PropertyValue

Electrical resistivity

6.5e-07 Ω·m

Show Supplier Material materials with Electrical resistivity of 6.5e-07 Ω·m

Chemical properties

PropertyValueComment

Carbon

0.48 - 0.55 %

Show Supplier Material materials with Carbon of 0.48 - 0.55 %

Chromium

14.0 - 15.0 %

Show Supplier Material materials with Chromium of 14.0 - 15.0 %

Manganese

1.0

Show Supplier Material materials with Manganese of 1.0

max.

Molybdenum

0.8 %

Show Supplier Material materials with Molybdenum of 0.8 %

Nitrogen

0.05 - 0.15 %

Show Supplier Material materials with Nitrogen of 0.05 - 0.15 %

Phosphorus

0.04

Show Supplier Material materials with Phosphorus of 0.04

max.

Silicon

1.0

Show Supplier Material materials with Silicon of 1.0

max.

Sulfur

0.015

Show Supplier Material materials with Sulfur of 0.015

max.

Vanadium

0.1 - 0.15 %

Show Supplier Material materials with Vanadium of 0.1 - 0.15 %

Technological properties

Property
Application areas

Parts (pins, shafts, nozzles…) already made with 4112/4125 or 440B/C…High hardness re-quirements with a rather good corrosion resistance.

Corrosion properties

EnvironmentBehavior
Nitric AcidMedium
Phosphoric AcidNot recommended
Sulfuric AcidNot recommended
Acetic AcidNot recommended
SodaMedium
NaCl (Salt Fog)Not recommended
HumidityExcellent
SeawaterNot recommended


The corrosion behavior of UGI® 4116N is similar to that of grade 1.4021 (AISI 420), far better than that of 1.4112 / 1.4125 (AISI 440B and 440C).


Pitting corrosion: UGI® 4116N performs better than high-carbon martensitic grades such as 1.4109, 1.4112 and 1.4125.

The pitting corrosion resistance is better in the Tempered than in the Annealed condition, a feature that is similar for all high-carbon martensitic grades

General machinability

Machinability: UGI® 4116N can be machined in the annealed condition. The machinability of UGI® 4116N is comparable to that of grade 1.4034 and significantly better than the machinability of grades 1.4112 and 1.4125 (AISI 440B / 440C).

Heat Treatment

Solution annealing: For minimum hardness, grade 4116N should be treated at about 840°C a few hours followed by very slow cooling. The hardness thus obtained lies around 210 HV1kg.


Solution Treatment and Quenching: Oil quench or air cooling should be carried out from a recommended solution temperature of 1050°C.


Tempering: See below the curve that was obtained after a 10 minutes solution annealing treatment at 1050°C fol-lowed by air cooling. Tempering at 200°C achieves a good hardness / toughness balance.

Hot forming

Forming: UGI® 4116N can be readily forged in the 950°C – 1200°C temperature range. Heating between 1180°C and 1200°C prior to forging is recommended, and forging temperatures should not decrease below 950°C. After forging, a slow cooling to room temperature is necessary, followed by annealing treatment, if a minimum hardness is required.

Other

Available products:


ProductFormFinition
Tolerance

Dimension (mm)
hot finished barsroundBlackø 23 - 115
hot rolled descaledK12 et K13ø 22 - 115
hexagonalhot rolled descaledø 22 - 58
cold finished barsroundturned & polishedISO 9 - 10ø 22 - 115
bright drawnISO 9 - 10ø 1.8 - 30
groundISO 6 - 7 - 8 - 9ø 1.5 - 70
hexagonaldrawnø 3.0 - 60
Wire rodroundpickledø 5.5 - 32
Drawn wireroundmattø 1.0 - 14

Other options: contact the supplier

Welding

Welding of grade UGI 4116N is only possible with special precautions, and should be avoided whenever possible.