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Steel H13 vs H26

Steel · grade comparison

Steel H13 and H26 are both steel grades. H26 is the stronger of the two: yield strength 560 MPa (81.2 ksi) against 520 MPa (75.4 ksi) for H13, about 8% more; tensile strength follows at 850 MPa (123 ksi) vs 760 MPa (110 ksi). In exchange, H13 is the more ductile: elongation 25% versus 18% for H26, and H26 is harder (229 HB vs 205 HB). H13 is lighter (7.8 g/cm³ vs 8.89 g/cm³ for H26). On the shop floor, H13 machines more easily (fair vs poor) and H13 welds better (fair vs poor).

H13Choose it when the part is bent, formed or impact-loaded, or when weight is the constraint.

H26Choose it when strength drives the design.

H13 vs H26: properties

H13H26

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Bulk Modulus

160 GPa23.2 Msi
165 GPa23.9 Msi

Poisson's Ratio

0.3
0.29

Tensile Strength (Ultimate)

760 MPa110 ksi
850 MPa123 ksi

Yield Strength (0.2% offset)

520 MPa75.4 ksi
560 MPa81.2 ksi

Elongation at Break

25%
18%

Reduction in Area

50%
35%

Compressive Strength

550 MPa79.8 ksi
900 MPa131 ksi

Shear Strength

480 MPa69.6 ksi
540 MPa78.3 ksi

Fatigue Strength (Endurance Limit)

360 MPa52.2 ksi
—

Charpy V-Notch Impact (RT)

40 J29.5 ft·lbf
25 J18.4 ft·lbf

Hardness, Brinell

205 HB
229 HB

Hardness, Rockwell B

95 HRB
98 HRB

Hardness, Vickers

215 HV
240 HV

Same in both: Elastic (Young's) Modulus 210 GPa30.5 Msi · Shear Modulus 81 GPa11.7 Msi

Physical

Density and transition temperatures.

Density

7.8 g/cm³0.28 lb/in³
8.89 g/cm³0.32 lb/in³

Melting Point (Solidus)

1,425°C2,597 °F
1,400°C2,552 °F

Liquidus Temperature

1,480°C2,696 °F
1,460°C2,660 °F

Thermal

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

Thermal Conductivity

24.5 W/m·K14.2 BTU/hr·ft·°F
26 W/m·K15 BTU/hr·ft·°F

Specific Heat Capacity

460 J/kg·K0.11 BTU/lb·°F
420 J/kg·K0.1 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

10.9 µm/m·K6.1 µin/in·°F
11.2 µm/m·K6.2 µin/in·°F

Min Service Temperature

-30°C-22 °F
-20°C-4 °F

Same in both: Latent Heat of Fusion 250 J/g107 BTU/lb · Max Service Temperature (continuous) 400°C752 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

3.3 % IACS
3.1 % IACS

Electrical Resistivity

5.2×10⁻⁷ Ω·m20.5 µΩ·in
5.5×10⁻⁷ Ω·m21.7 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.58 V
—

Corrosion Resistance

22 / 100
15 / 100

Manufacturability

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

Machinability

45 / 100
32 / 100

Machinability Rating (AISI 1212 = 100 %)

50%
40%

Weldability

35 / 100
20 / 100

Formability (cold)

20 / 100
15 / 100

Brazeability / Solderability

30 / 100
35 / 100

Polishability

78 / 100
60 / 100

Castability

—
25 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

34 MJ/kg14,617 BTU/lb
48 MJ/kg20,636 BTU/lb

Embodied Carbon (primary production)

2.6 kg CO₂/kg
3.6 kg CO₂/kg

Embodied Water

75 L/kg9 gal/lb
80 L/kg9.6 gal/lb

Same in both: Typical Recycled Content 45%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

97 kN·m/kg
96 kN·m/kg

Specific Stiffness (E / density)

26.9 MN·m/kg
23.6 MN·m/kg

Modulus of Resilience

644 kJ/m³
747 kJ/m³

Thermal Diffusivity

6.8 mm²/s
7 mm²/s

Thermal Shock Resistance Index

8
9

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 scaleH13H26

Manufacturing and finishing

CapabilityH13H26
CNC machiningYes—
3D printingYes—
Default conditionAnnealed—
Relative cost$$$$ High$$$$ High
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.

H13 vs H26 — frequently asked

Is H26 stronger than H13?

Yes. H26 has a typical yield strength of 560 MPa (81.2 ksi) against 520 MPa (75.4 ksi) for H13 — about 8% more. Tensile strength is 850 MPa (123 ksi) vs 760 MPa (110 ksi).

Which is cheaper, H13 or H26?

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

Which is easier to machine, H13 or H26?

H13. Its machinability rates fair (45/100) against poor (32/100) for H26; for welding the order is H13 first (fair, 35/100) then H26 (poor, 20/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in H13 and H26 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.