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Steel CNC Machining Service

Get high-precision steel CNC machined parts from RapidDirect. Choose from carbon, alloy, tool, spring, galvanized, and mild steel for durable parts, from simple components to complex designs.

  • Fast turnaround for prototypes and production
  • Custom steel grades and finishes
  • Precision parts for demanding applications
CNC machined Steel part 4
CNC machined Steel part 4

Steel in CNC Machining

Steel combines strength, durability, versatility, and cost-effective production. RapidDirect CNC machines a broad selection of carbon, alloy, tool, spring, bearing, galvanized, and mild steel grades for automotive, aerospace, construction, and industrial components.

  • Strength and durability: Steel provides the strength and structural stability required for demanding components.
  • Broad grade selection: Choose carbon, alloy, tool, spring, bearing, galvanized, or mild steel for your CNC parts.
  • Versatile finishing: Enhance the appearance and performance of steel parts with plating, passivation, or powder coating.

Selection note: Steel combines high strength with a wide range of machinable grades. RapidDirect offers as-machined surfaces, electroplating, passivation, and powder coating for CNC steel components.

Steel CNC Machining Capabilities

Price$$$
Lead timeUnder 10 days
Wall thickness0.75 mm
Tolerances±0.005 in (±0.125 mm)
Maximum part size2000 × 800 × 1000 mm
Available steelCarbon steel: 1018, 1020, 1025, 1045, 1215, 4130, 4140, 4340, 5140, A36, ST37; alloy steel: 4J36; die steel: 718H, P20, S136, S7; chisel tool steel: D2/SKD11, SKD61; high speed steel: SKH51; spring steel: 1566, 9260; tool steel: A2; bearing steel: E51100/SUJ1, E52100/SUJ2; galvanized steel: SGCC, SECC; and SPCC.
Explore our Steel CNC Machining services

Compare Steel Grades

Compare SPCC, 1018, 1020, 1040, 1045, A36, S355, 4140, 4130, 4340, A2, D2, and P20 by yield strength, ductility, hardness, and density.

Material & condition Key characteristics Tensile strength, yieldMPaElongation at break%HardnessBrinellDensityg/cm³ Material data
SPCC Steel
High strength Ductile Low cost
270–410 28–44 70–90 7.85
1566 Spring Steel
High strength High hardness Wear resistant
1470–1620 8–12 461–534 7.85

Steel Manufacturing Facilities

Steel CNC Machining FAQs

Learn about Steel steel cnc machining, materials, capabilities, and finishing options.

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