Steel - Prototek Parts

Application of Steel Materials

For common Steel alloy, Carbon Steel and Stainless Steel materials

Material	Application Process	Materiall Data Sheet	Features	Application Product
AISI 1045	CNC Milling, CNC Turning, Forging	C: 0.43-0.50% Mn: 0.60-0.90% P: ≤ 0.040% S: ≤ 0.050% Fe: Balance	Medium carbon steel, good strength and toughness	Mechanical parts Shafts Gears
AISI 4140	CNC Milling, CNC Turning, Forging	C: 0.38-0.43% Mn: 0.75-1.00% Cr: 0.80-1.10% Mo: 0.15-0.25% Fe: Balance	Alloy steel, high strength and toughness	High-stress parts Automotive components
AISI 4340	Forging	C: 0.38-0.43% Mn: 0.60-0.80% Cr: 0.70-0.90% Ni: 1.65-2.00% Mo: 0.20-0.30% Fe: Balance	High-strength alloy steel, excellent toughness	Aerospace and automotive high-stress components
AISI 8620	CNC Turning, Forging	C: 0.18-0.23% Mn: 0.70-0.90% Cr: 0.40-0.60% Ni: 0.40-0.70% Mo: 0.15-0.25% Fe: Balance	Low carbon alloy steel, good toughness	Gears Shafts Surface-hardened parts
AISI 1010	CNC Milling, Deep Drawing	C: 0.08-0.13% Mn: 0.30-0.60% P: ≤ 0.040% S: ≤ 0.050% Fe: Balance	Low carbon steel, good formability and weldability	Automotive parts Appliances
303 Stainless Steel	CNC Turning	C: ≤ 0.15% Mn: ≤ 2.00% Si: ≤ 1.00% P: ≤ 0.20% S: ≥ 0.15% Cr: 17.00-19.00% Ni: 8.00-10.00% Fe: Balanc	Good machinability and corrosion resistance	Shafts Bolts Fittings
304 Stainless Steel	CNC Turning, Deep Drawing, Cold Extrusion	C: ≤ 0.08% Mn: ≤ 2.00% Si: ≤ 1.00% P: ≤ 0.045% S: ≤ 0.030% Cr: 18.00-20.00% Ni: 8.00-10.50% Fe: Balance	Good corrosion resistance and formability	Food processing equipment Chemical equipment
316 Stainless Steel	CNC Turning, Deep Drawing, Cold Extrusion	C: ≤ 0.08% Mn: ≤ 2.00% Si: ≤ 1.00% P: ≤ 0.045% S: ≤ 0.030% Cr: 16.00-18.00% Ni: 10.00-14.00% Mo: 2.00-3.00% Fe: Balance	Higher corrosion resistance	Marine applications Chemical processing
410 Stainless Steel	CNC Turning, Casting	C: 0.08-0.15% Mn: ≤ 1.00% Si: ≤ 1.00% P: ≤ 0.040% S: ≤ 0.030% Cr: 11.50-13.50% Fe: Balance	High strength and hardness	High-strength & Wear-resistant parts
AISI 1030	Casting	C: 0.28-0.34% Mn: 0.60-0.90% P: ≤ 0.040% S: ≤ 0.050% Fe: Balance	Good wear resistance	Gears Crankshafts
AISI 1050	Cold Extrusion	C: 0.48-0.55% Mn: 0.60-0.90% P: ≤ 0.040% S: ≤ 0.050% Fe: Balance	Medium carbon steel, good strength and hardness	High-strength High-hardness parts
AISI 1008	Deep Drawing	C: 0.10 max% Mn: 0.30-0.50% P: ≤ 0.040% S: ≤ 0.050% Fe: Balance	Good ductility and formability	Complex-shaped parts
HK40 Steel	Casting	C: 0.35-0.45% Mn: ≤ 1.50% Si: ≤ 1.50% Cr: 24.00-28.00% Ni: 19.00-22.00% Fe: Balance	High-temperature strength and oxidation resistance	Furnace tubes Heater components
HP40 Steel	Casting	C: 0.35-0.45% Mn: ≤ 1.50% Si: ≤ 1.50% Cr: 24.00-28.00% Ni: 19.00-22.00% Fe: Balance	High-temperature strength and oxidation resistance	High-temperature parts

Steel is fundamental in industry due to its strength, durability, and versatility. It’s essential in construction, manufacturing, transportation, and infrastructure, providing the backbone for buildings, machinery, vehicles, and pipelines. Its recyclability also makes it an environmentally sustainable choice.