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Steel 35NiCrMo16 vs AR500

Steel · grade comparison

Steel 35NiCrMo16 and AR500 are both steel grades. AR500 is the stronger of the two: yield strength 1,350 MPa (196 ksi) against 1,150 MPa (167 ksi) for 35NiCrMo16, about 17% more; tensile strength follows at 1,650 MPa (239 ksi) vs 1,350 MPa (196 ksi). In exchange, 35NiCrMo16 is the more ductile: elongation 11% versus 9% for AR500, and AR500 is harder (500 HB vs 400 HB). 35NiCrMo16 runs hotter in service (400°C vs 250°C continuous) and AR500 conducts heat better (40 W/m·K vs 34 W/m·K). On the shop floor, 35NiCrMo16 machines more easily (poor vs not recommended), AR500 welds better (fair vs poor), and 35NiCrMo16 sits in a lower cost tier (premium, $$$) than AR500 (high, $$$$).

35NiCrMo16Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

AR500Choose it when strength drives the design, or when it will be welded.

35NiCrMo16 vs AR500: properties

35NiCrMo16AR500

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

1,350 MPa196 ksi
1,650 MPa239 ksi

Yield Strength (0.2% offset)

1,150 MPa167 ksi
1,350 MPa196 ksi

Elongation at Break

11%
9%

Reduction in Area

45%
30%

Compressive Strength

1,200 MPa174 ksi
1,400 MPa203 ksi

Shear Strength

810 MPa117 ksi
1,000 MPa145 ksi

Fatigue Strength (Endurance Limit)

640 MPa92.8 ksi
700 MPa102 ksi

Fracture Toughness (K_IC)

80 MPa·√m72.8 ksi·√in
50 MPa·√m45.5 ksi·√in

Charpy V-Notch Impact (RT)

45 J33.2 ft·lbf
35 J25.8 ft·lbf

Hardness, Brinell

400 HB
500 HB

Hardness, Rockwell C

43 HRC
50 HRC

Hardness, Vickers

420 HV
525 HV

Same in both: Elastic (Young's) Modulus 205 GPa29.7 Msi · Shear Modulus 80 GPa11.6 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Liquidus Temperature

1,490°C2,714 °F
1,500°C2,732 °F

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,420°C2,588 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

34 W/m·K19.6 BTU/hr·ft·°F
40 W/m·K23.1 BTU/hr·ft·°F

Specific Heat Capacity

460 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

12.3 µm/m·K6.8 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Latent Heat of Fusion

250 J/g107 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

400°C752 °F
250°C482 °F

Min Service Temperature

-60°C-76 °F
-40°C-40 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

3×10⁻⁷ Ω·m11.8 µΩ·in
2.3×10⁻⁷ Ω·m9.06 µΩ·in

Electrical Conductivity

—
7.5 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

12 / 100
13 / 100

Galvanic Potential (seawater, vs SCE)

—
-0.62 V

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

28 / 100
12 / 100

Machinability Rating (AISI 1212 = 100 %)

30%
10%

Weldability

15 / 100
45 / 100

Formability (cold)

12 / 100
15 / 100

Brazeability / Solderability

40 / 100
—

Polishability

70 / 100
55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

34 MJ/kg14,617 BTU/lb
30 MJ/kg12,898 BTU/lb

Embodied Carbon (primary production)

2.4 kg CO₂/kg
2.3 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
55 L/kg6.6 gal/lb

Typical Recycled Content

30%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

172 kN·m/kg
210 kN·m/kg

Modulus of Resilience

3,226 kJ/m³
4,445 kJ/m³

Thermal Diffusivity

9.4 mm²/s
10.8 mm²/s

Thermal Shock Resistance Index

18
27

Same in both: Specific Stiffness (E / density) 26.1 MN·m/kg

Strength versus weight

Yield strength against density for every steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

2005001,0002,0007.588.5Density (g/cm³)Yield strength (MPa) — log scaleAR50035NiCrMo16

Manufacturing and finishing

Capability35NiCrMo16AR500
CNC machining—Yes
Sheet metal—Yes
Default condition—Q&T
Relative cost$$$ Premium$$$$ High
Min. machined wall—0.8 mm
Best machined surface—Ra 1.6 µm
AlCrN—Yes
AlTiN—Yes
Black Oxide—Yes
CVD Al2O3—Yes
CVD TiCN—Yes
CVD TiN—Yes
Cerakote—Yes
Chrome Plating—Yes
CrN—Yes
DLC—Yes
E-Coating—Yes
HVOF Coating—Yes
Hot-Dip Galvanizing—Yes
MoS2—Yes
Multilayer CVD—Yes
Nickel Plating—Yes
PTFE Coating—Yes
Painting—Yes

They share 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

35NiCrMo16 vs AR500 — frequently asked

Is AR500 stronger than 35NiCrMo16?

Yes. AR500 has a typical yield strength of 1,350 MPa (196 ksi) against 1,150 MPa (167 ksi) for 35NiCrMo16 — about 17% more. Tensile strength is 1,650 MPa (239 ksi) vs 1,350 MPa (196 ksi).

Which is cheaper, 35NiCrMo16 or AR500?

35NiCrMo16 is the lower-cost material: it sits in the premium tier ($$$) while AR500 is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, 35NiCrMo16 or AR500?

35NiCrMo16. Its machinability rates poor (28/100) against not recommended (12/100) for AR500; for welding the order is AR500 first (fair, 45/100) then 35NiCrMo16 (poor, 15/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 35NiCrMo16 and AR500 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.