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Steel A335 P22 vs H13

Steel · grade comparison

Steel A335 P22 and H13 are both steel grades, both heat resistant steel. H13 is the stronger of the two: yield strength 520 MPa (75.4 ksi) against 350 MPa (50.8 ksi) for A335 P22, about 49% more; tensile strength follows at 760 MPa (110 ksi) vs 550 MPa (79.8 ksi). H13 is harder — 205 HB against 165 HB for A335 P22 — which matters for wear surfaces and threads. A335 P22 runs hotter in service (550°C vs 400°C continuous) and A335 P22 conducts heat better (37 W/m·K vs 24.5 W/m·K). On the shop floor, A335 P22 welds better (50 vs 35 out of 100), A335 P22 forms better (fair vs poor), and A335 P22 sits in a lower cost tier (standard, $$) than H13 (high, $$$$).

A335 P22Choose it when the part sees heat, or when it will be welded.

H13Choose it when strength drives the design, or when surface hardness matters.

A335 P22 vs H13: properties

A335 P22H13

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

207 GPa30 Msi
210 GPa30.5 Msi

Shear Modulus

80 GPa11.6 Msi
81 GPa11.7 Msi

Poisson's Ratio

0.29
0.3

Tensile Strength (Ultimate)

550 MPa79.8 ksi
760 MPa110 ksi

Yield Strength (0.2% offset)

350 MPa50.8 ksi
520 MPa75.4 ksi

Elongation at Break

24%
25%

Reduction in Area

55%
50%

Compressive Strength

355 MPa51.5 ksi
550 MPa79.8 ksi

Shear Strength

360 MPa52.2 ksi
480 MPa69.6 ksi

Fatigue Strength (Endurance Limit)

255 MPa37 ksi
360 MPa52.2 ksi

Fracture Toughness (K_IC)

110 MPa·√m100 ksi·√in
—

Charpy V-Notch Impact (RT)

60 J44.3 ft·lbf
40 J29.5 ft·lbf

Hardness, Brinell

165 HB
205 HB

Hardness, Rockwell B

85 HRB
95 HRB

Hardness, Rockwell C

12 HRC
—

Hardness, Vickers

173 HV
215 HV

Same in both: Bulk Modulus 160 GPa23.2 Msi

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,450°C2,642 °F
1,425°C2,597 °F

Liquidus Temperature

1,510°C2,750 °F
1,480°C2,696 °F

Thermal

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

Thermal Conductivity

37 W/m·K21.4 BTU/hr·ft·°F
24.5 W/m·K14.2 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

12.4 µm/m·K6.9 µin/in·°F
10.9 µm/m·K6.1 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

550°C1,022 °F
400°C752 °F

Same in both: Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Min Service Temperature -30°C-22 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

7.8 % IACS
3.3 % IACS

Electrical Resistivity

2.2×10⁻⁷ Ω·m8.66 µΩ·in
5.2×10⁻⁷ Ω·m20.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.6 V
-0.58 V

Corrosion Resistance

18 / 100
22 / 100

Manufacturability

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

Machinability

50 / 100
45 / 100

Machinability Rating (AISI 1212 = 100 %)

52%
50%

Weldability

50 / 100
35 / 100

Formability (cold)

48 / 100
20 / 100

Brazeability / Solderability

45 / 100
30 / 100

Polishability

55 / 100
78 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

33 MJ/kg14,187 BTU/lb
34 MJ/kg14,617 BTU/lb

Embodied Carbon (primary production)

2.4 kg CO₂/kg
2.6 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
75 L/kg9 gal/lb

Typical Recycled Content

30%
45%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

70 kN·m/kg
97 kN·m/kg

Specific Stiffness (E / density)

26.4 MN·m/kg
26.9 MN·m/kg

Modulus of Resilience

296 kJ/m³
644 kJ/m³

Thermal Diffusivity

10.2 mm²/s
6.8 mm²/s

Same in both: Thermal Shock Resistance Index 8

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 scaleH13A335 P22

Manufacturing and finishing

CapabilityA335 P22H13
Sheet metalYes—
3D printing—Yes
Default conditionHRAnnealed
Relative cost$$ Standard$$$$ High
Min. machined wall0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µm
Passivated (Metal AM)—Yes
Plated (Metal AM)—Yes

Both are offered for CNC machining. They share 38 finishes: AlCrN, AlTiN, Black Oxide, CVD Al2O3, CVD TiCN, CVD TiN, Cerakote, Chrome Plating, Copper Plating, CrN, DLC, E-Coating and 26 more.

A335 P22 vs H13 — frequently asked

Is H13 stronger than A335 P22?

Yes. H13 has a typical yield strength of 520 MPa (75.4 ksi) against 350 MPa (50.8 ksi) for A335 P22 — about 49% more. Tensile strength is 760 MPa (110 ksi) vs 550 MPa (79.8 ksi).

Which is cheaper, A335 P22 or H13?

A335 P22 is the lower-cost material: it sits in the standard tier ($$) while H13 is high ($$$$). 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, A335 P22 or H13?

A335 P22, by a small margin. Both rate fair for machinability — 50/100 against 45/100 for H13; for welding the order is A335 P22 first (fair, 50/100) then H13 (fair, 35/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in A335 P22 and H13 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.