1045 Steel Build Platform - ASTM A830/A830M

1045 Build Platform

Engineered for strength and versatility, 1045 steel plate is a medium-carbon grade manufactured to ASTM A830/A830M specifications. Known for its balanced combination of strength, hardness, and machinability, this material is a reliable choice for components exposed to demanding loads and wear conditions.

Available in hot-rolled, normalized, or annealed conditions, 1045 steel can be further enhanced through flame or induction hardening, delivering exceptional surface hardness for extended service life. Its toughness and durability make it a go-to solution for machinery parts, industrial equipment, and structural applications where performance and resilience are critical.

Whether you are fabricating shafts, gears, or heavy-duty plates, 1045 steel offers the strength and adaptability needed to meet rigorous operational requirements.

Advanced Inventory Size Ranges for 1045

Type Size Range Specifications Get a Quote
Build Platform 0.500" - 5.000" ASTM A830/A830M, UNS G10450 Get a Quote

Ideal for Additive Manufacturing Build Platforms

In Powder Bed Fusion (PBF) systems, platform rigidity and stability are essential for maintaining part integrity and dimensional accuracy. 1045 steel plate offers exceptional strength and wear resistance, making it a robust choice for heavy-duty build platforms that endure repeated thermal cycles and mechanical loads. Its medium-carbon composition ensures durability, while optional flame or induction hardening provides superior surface hardness for extended service life.

This combination of toughness and machinability makes 1045 steel an excellent solution for industries where precision and reliability matter—such as energy, industrial manufacturing, and tooling applications.

Why Choose United Performance Metals?

At United Performance Metals, we manufacture 1045 Steel Build Platforms to exacting standards, offering:

  • Dimensional Stability: Maintains flatness and integrity through repeated thermal exposure.
  • Exceptional Strength: Medium-carbon steel delivers reliable load-bearing performance.
  • Custom Sizes: Tailored to fit your specific PBF machine requirements.
  • Excellent Machinability: Enables precision finishing for optimal powder bed performance.

Other industry standards we comply with:

Common Trade Names

  • AISI 1045

Industry Applications for 1045

  • Machinery Components
  • Industrial Equipment
  • Construction & Fabrication
  • Mining and Processing
  • Tooling

Chemical Composition

Element Percent by Weight Min Percent by Weight Max
C Carbon 0.43 0.50
Mn Maganese 0.60 0.90
P Phosphorus 0.040
S Sulfur 0.050
Si Silicon 0.15 0.40

Physical Properties

Property Value
Density7.85 g/cm³
Modulus of Elasticity~200 GPa
Thermal Expansion~11.5 μm/m-°C (at 0–100°C)
Specific Heat~0.486 J/g-°C
Electrical Resistivity~16.2 μΩ·cm

Mechanical Properties

PropertyValue
Tensile Strength570 – 700 MPa
Yield Strength≥ 310 MPa
Elongation (in 50mm)~16%
Hardness (Brinell)170 – 210 HB

Additional Info

A Brief History of 1045

1045 steel belongs to the family of medium‑carbon steels, which emerged as industrial metallurgy advanced in the late 19th and early 20th centuries. As steelmaking processes improved—especially with the adoption of the Bessemer, open‑hearth, and later basic oxygen methods—manufacturers gained the ability to control carbon content more precisely.

This precision allowed the creation of standardized grades like AISI 1045, which offered a balance of strength, toughness, and machinability that earlier steels could not consistently achieve.

How 1045 Was Developed

In the early 1900s, the American Iron and Steel Institute (AISI) and the Society of Automotive Engineers (SAE) began formalizing steel classifications.
The “10xx” series was designated for plain carbon steels, with the last two digits representing approximate carbon content.

Metallurgists sought a steel that could be heat treated for higher strength, offered better wear resistance than low-carbon steels, remained machinable and forgeable, and was economical for mass production. 

Early Applications of 1045

As industries expanded in the early 20th century, 1045 quickly became a go‑to material for components requiring moderate strength and toughness. Early applications included shafts and axles, gears and sprockets, bolts, studs, fasteners, hand tools, and agricultural equipment.

How 1045 is Used Today

1045 remains one of the most widely used medium‑carbon steels due to its versatility, cost‑effectiveness, and predictable performance.

  • Industrial: Shafts, pins, couplings, gears, sprockets, bushings, hydraulic piston rods
  • Construction: Anchor bolts, structural support components, heavy-duty fasteners
  • Automotive: Crankshafts, axles, steering components, agricultural machinery parts

Your Trusted Supplier of 1045 Steel Build Plates

UPM Advanced Solutions offers 1045 build platforms in sizes 0.500" - 5.000". These plates are ideal for Powder Bed Fusion (PBF) systems and offer exceptional strength and wear resistance, making it a robust choice for heavy-duty build platforms that endure repeated thermal cycles and mechanical loads. Its medium-carbon composition ensures durability, while optional flame or induction hardening provides superior surface hardness for extended service life.

Product FAQs

1045 offers medium tensile strength, good toughness, readily heat-treatable, good machinability in the annealed condition, and moderate weldability. 

1045 steel has become a go‑to choice for PBF (Powder Bed Fusion) build plates because its thermal stability, strength, machinability, stress-relief capability, and cost profile line up almost perfectly with what metal AM processes demand.