STEEL ALLOYS

18NiCrMo5

AISI 4317

High-strength steel with excellent toughness and fatigue resistance.

PROS
High strength and toughness
Excellent fatigue resistance
Good machinability
Widely used in the aerospace and defence industries

CONS
Low corrosion resistance
Can be more expensive than some other types of steel
Requires specialised welding techniques

Machining process: CNC
Tolerance: ISO 2768-1 fine (f) or medium (m) class
Dim Max: 300 x 300 x 100 mm; 11.8 x 11.8 x 3.9 in
Lead time: <6 days

39NiCrMo3

AISI 9840

Excellent toughness, wear resistance, and fatigue strength.

PROS
High strength and toughness
Excellent wear resistance and fatigue strength
High-stress mechanical applications
Widely used in the construction and automotive industries

CONS
Low corrosion resistance
Can be more expensive than some other types of steel
Requires specialised welding techniques

Machining process: CNC
Tolerance: ISO 2768-1 fine (f) or medium (m) class
Dim Max: 300 x 300 x 120 mm; 11.8 x 11.8 x 4.7 in
Lead time: <6 days

11SMnPb37

1.0737

Excellent workability and speed of production.

PROS
Faster and cheaper production
Excellent workability
Better surface finish

CONS
Slightly reduced mechanical resistance
Slightly reduced toughness

Machining process: CNC
Tolerance: ISO 2768-1 fine (f) or medium (m) class
Dim Max: 150x150x500 mm; 5.9x5.9x19.7 in
Lead time: <6 days

S235JR

UNI Fe360

Known for its robustness and versatility.

PROS
Versatility
Excellent machinability
Durability

CONS
Limited corrosion resistance
Low weldability

Machining process: CNC
Tolerances: ISO 2768-1 fine (f) or medium (m) class
Dim Max: 110 x 110 x 500 mm; 4.3 x 4.3 x 19.7 in
Lead time: <6 days

STAINLESS 303

X8CrNiS18-9

Cost-effective and production-friendly.

PROS
Cost-effective
Mass production
Corrosion-resistant

CONS
Limited to turning operations
Less corrosion resistance than others stainless
Lower weldability

Machining process: CNC
Tolerance: ISO 2768-1 fine (f) or medium (m) class
Dim Max: 64x64x150 mm (2.5x2.5x5.9 in)
Lead time: <6 days

S355J2

AISI 1024

Excellent mechanical strength and easy to install.

PROS
High mechanical strength
Toughness at low temperatures
Excellent workability

CONS
Corrosion sensitivity
Cost considerations
High density/weight

Machining process: CNC
Tolerance: ISO 27681 fine (f) or medium (m) class
Max Size: 110x110x500 mm (4.3x4.3x19.7 in)
Lead time: <6 days