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Steel 1215 vs Y30

Steel · grade comparison

Steel 1215 and Y30 are both steel grades. Y30 is the stronger of the two: yield strength 540 MPa (78.3 ksi) against 250 MPa (36.3 ksi) for 1215, about 116% more; tensile strength follows at 640 MPa (92.8 ksi) vs 415 MPa (60.2 ksi). In exchange, 1215 is the more ductile: elongation 25% versus 10% for Y30, and Y30 is harder (197 HB vs 121 HB). 1215 conducts electricity better (10.8 % IACS vs 9.6 % IACS). On the shop floor, 1215 machines more easily (excellent vs very good).

1215Choose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

Y30Choose it when strength drives the design.

1215 vs Y30: properties

1215Y30

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
205 GPa29.7 Msi

Tensile Strength (Ultimate)

415 MPa60.2 ksi
640 MPa92.8 ksi

Yield Strength (0.2% offset)

250 MPa36.3 ksi
540 MPa78.3 ksi

Elongation at Break

25%
10%

Reduction in Area

45%
30%

Shear Strength

290 MPa42.1 ksi
400 MPa58 ksi

Fatigue Strength (Endurance Limit)

190 MPa27.6 ksi
290 MPa42.1 ksi

Hardness, Brinell

121 HB
197 HB

Hardness, Rockwell B

70 HRB
93 HRB

Compressive Strength

—
540 MPa78.3 ksi

Fracture Toughness (K_IC)

—
50 MPa·√m45.5 ksi·√in

Charpy V-Notch Impact (RT)

—
18 J13.3 ft·lbf

Hardness, Vickers

—
207 HV

Same in both: Shear Modulus 80 GPa11.6 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Density

7.87 g/cm³0.28 lb/in³
7.85 g/cm³0.28 lb/in³

Liquidus Temperature

1,510°C2,750 °F
1,500°C2,732 °F

Same in both: Melting Point (Solidus) 1,420°C2,588 °F

Thermal

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

Thermal Conductivity

51.9 W/m·K30 BTU/hr·ft·°F
47 W/m·K27.2 BTU/hr·ft·°F

Specific Heat Capacity

486 J/kg·K0.12 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

11.9 µm/m·K6.6 µin/in·°F
11.7 µm/m·K6.5 µin/in·°F

Latent Heat of Fusion

247 J/g106 BTU/lb
250 J/g107 BTU/lb

Same in both: Max Service Temperature (continuous) 400°C752 °F · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

10.8 % IACS
9.6 % IACS

Electrical Resistivity

1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.8×10⁻⁷ Ω·m7.09 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.61 V
-0.62 V

Corrosion Resistance

8 / 100
11 / 100

Manufacturability

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

Machinability

85 / 100
72 / 100

Machinability Rating (AISI 1212 = 100 %)

120%
75%

Weldability

20 / 100
25 / 100

Formability (cold)

35 / 100
25 / 100

Polishability

40 / 100
50 / 100

Same in both: Brazeability / Solderability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

26 MJ/kg11,178 BTU/lb
25 MJ/kg10,748 BTU/lb

Embodied Carbon (primary production)

2 kg CO₂/kg
1.9 kg CO₂/kg

Typical Recycled Content

35%
30%

Same in both: Embodied Water 45 L/kg5.4 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

53 kN·m/kg
82 kN·m/kg

Specific Stiffness (E / density)

25.4 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

156 kJ/m³
711 kJ/m³

Thermal Diffusivity

13.6 mm²/s
12.7 mm²/s

Thermal Shock Resistance Index

9
13

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 scale1215Y30

Manufacturing and finishing

Capability1215Y30
CNC machiningYes—
Default conditionHR—
Relative cost$ Budget$ Budget
Min. machined wall0.8 mm—
Best machined surfaceRa 1.6 µm—
AlCrNYes—
AlTiNYes—
Black OxideYes—
CVD Al2O3Yes—
CVD TiCNYes—
CVD TiNYes—
CerakoteYes—
Chrome PlatingYes—
CrNYes—
DLCYes—
E-CoatingYes—
HVOF CoatingYes—
Hot-Dip GalvanizingYes—
MoS2Yes—
Multilayer CVDYes—
Nickel PlatingYes—
PTFE CoatingYes—
PaintingYes—

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

1215 vs Y30 — frequently asked

Is Y30 stronger than 1215?

Yes. Y30 has a typical yield strength of 540 MPa (78.3 ksi) against 250 MPa (36.3 ksi) for 1215 — about 116% more. Tensile strength is 640 MPa (92.8 ksi) vs 415 MPa (60.2 ksi).

Which is cheaper, 1215 or Y30?

Both sit in the same relative cost tier ($, budget); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, 1215 or Y30?

1215. Its machinability rates excellent (85/100) against very good (72/100) for Y30; for welding the order is Y30 first (poor, 25/100) then 1215 (poor, 20/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1215 and Y30 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.