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Stainless Steel ER19-10H vs ER308H

Stainless Steel · grade comparison

Stainless Steel ER19-10H and ER308H are both stainless steel grades. Both yield at about 405 MPa — strength does not separate them. On the shop floor, ER308H sits in a lower cost tier (premium, $$$) than ER19-10H (high, $$$$).

ER308HChoose it when cost is the deciding factor.

ER19-10H vs ER308H: properties

ER19-10HER308H

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

195 GPa28.3 Msi
196 GPa28.4 Msi

Tensile Strength (Ultimate)

600 MPa87 ksi
590 MPa85.6 ksi

Yield Strength (0.2% offset)

405 MPa58.7 ksi
415 MPa60.2 ksi

Elongation at Break

40%
38%

Compressive Strength

410 MPa59.5 ksi
420 MPa60.9 ksi

Shear Strength

390 MPa56.6 ksi
400 MPa58 ksi

Fatigue Strength (Endurance Limit)

225 MPa32.6 ksi
230 MPa33.4 ksi

Fracture Toughness (K_IC)

140 MPa·√m127 ksi·√in
180 MPa·√m164 ksi·√in

Charpy V-Notch Impact (RT)

80 J59 ft·lbf
85 J62.7 ft·lbf

Hardness, Brinell

180 HB
175 HB

Hardness, Rockwell B

88 HRB
87 HRB

Hardness, Vickers

190 HV
185 HV

Same in both: Shear Modulus 77 GPa11.2 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Reduction in Area 55%

Physical

Density and transition temperatures.

Same in both: Density 7.9 g/cm³0.29 lb/in³ · Melting Point (Solidus) 1,400°C2,552 °F · Liquidus Temperature 1,450°C2,642 °F

Thermal

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

Thermal Conductivity

15 W/m·K8.7 BTU/hr·ft·°F
16.2 W/m·K9.4 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

17.3 µm/m·K9.6 µin/in·°F
16.5 µm/m·K9.2 µin/in·°F

Max Service Temperature (continuous)

760°C1,400 °F
800°C1,472 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 285 J/g123 BTU/lb · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 2.4 % IACS · Electrical Resistivity 7.2×10⁻⁷ Ω·m28.3 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.08 V
-0.05 V

Corrosion Resistance

55 / 100
58 / 100

Manufacturability

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

Machinability

36 / 100
38 / 100

Machinability Rating (AISI 1212 = 100 %)

38%
40%

Weldability

92 / 100
88 / 100

Formability (cold)

60 / 100
55 / 100

Same in both: Brazeability / Solderability 60 / 100 · Polishability 65 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 55 MJ/kg23,646 BTU/lb · Embodied Carbon (primary production) 4.5 kg CO₂/kg · Embodied Water 130 L/kg15.6 gal/lb · Typical Recycled Content 60%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

76 kN·m/kg
75 kN·m/kg

Specific Stiffness (E / density)

24.7 MN·m/kg
24.8 MN·m/kg

Modulus of Resilience

421 kJ/m³
439 kJ/m³

Thermal Diffusivity

3.8 mm²/s
4.1 mm²/s

Same in both: Thermal Shock Resistance Index 3

Strength versus weight

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

3005007001,0001,5002,0007.27.47.67.888.2Density (g/cm³)Yield strength (MPa) — log scaleER308HER19-10H

Manufacturing and finishing

CapabilityER19-10HER308H
Default condition——
Relative cost$$$$ High$$$ Premium
Min. machined wall——
Best machined surface——

Both take the same 7 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Pickling, Plasma Spray, Silver Plating.

ER19-10H vs ER308H — frequently asked

What is the difference between ER19-10H and ER308H?

Stainless Steel ER19-10H and ER308H are both stainless steel grades. Both yield at about 405 MPa — strength does not separate them. On the shop floor, ER308H sits in a lower cost tier (premium, $$$) than ER19-10H (high, $$$$).

Which is cheaper, ER19-10H or ER308H?

ER308H is the lower-cost material: it sits in the premium tier ($$$) while ER19-10H is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose ER19-10H over ER308H?

Pick ER308H when cost is the deciding factor.

Ready to make it?

Upload a CAD file and FabDigit prices the part in ER19-10H and ER308H 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.