FabDigit

A335 P22 vs H13 and 2 more: properties

A335 P22H13A335 P91SUH660

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

207 GPa30 Msi
210 GPa30.5 Msi
218 GPa31.6 Msi
201 GPa29.2 Msi

Shear Modulus

80 GPa11.6 Msi
81 GPa11.7 Msi
84 GPa12.2 Msi
77 GPa11.2 Msi

Bulk Modulus

160 GPa23.2 Msi
160 GPa23.2 Msi
180 GPa26.1 Msi
176 GPa25.5 Msi

Poisson's Ratio

0.29
0.3
0.3
0.31

Tensile Strength (Ultimate)

550 MPa79.8 ksi
760 MPa110 ksi
950 MPa138 ksi
1,010 MPa146 ksi

Yield Strength (0.2% offset)

350 MPa50.8 ksi
520 MPa75.4 ksi
700 MPa102 ksi
725 MPa105 ksi

Elongation at Break

24%
25%
14%
22%

Reduction in Area

55%
50%
65%
40%

Compressive Strength

355 MPa51.5 ksi
550 MPa79.8 ksi
490 MPa71.1 ksi
740 MPa107 ksi

Shear Strength

360 MPa52.2 ksi
480 MPa69.6 ksi
400 MPa58 ksi
620 MPa89.9 ksi

Fatigue Strength (Endurance Limit)

255 MPa37 ksi
360 MPa52.2 ksi
300 MPa43.5 ksi
500 MPa72.5 ksi

Fracture Toughness (K_IC)

110 MPa·√m100 ksi·√in
120 MPa·√m109 ksi·√in
130 MPa·√m118 ksi·√in

Charpy V-Notch Impact (RT)

60 J44.3 ft·lbf
40 J29.5 ft·lbf
25 J18.4 ft·lbf
50 J36.9 ft·lbf

Hardness, Brinell

165 HB
205 HB
300 HB
290 HB

Hardness, Rockwell B

85 HRB
95 HRB

Hardness, Rockwell C

12 HRC
31 HRC
30 HRC

Hardness, Vickers

173 HV
215 HV
225 HV
305 HV

Physical

Density and transition temperatures.

Density

7.85 g/cm³0.28 lb/in³
7.8 g/cm³0.28 lb/in³
7.77 g/cm³0.28 lb/in³
7.94 g/cm³0.29 lb/in³

Melting Point (Solidus)

1,450°C2,642 °F
1,425°C2,597 °F
1,450°C2,642 °F
1,370°C2,498 °F

Liquidus Temperature

1,510°C2,750 °F
1,480°C2,696 °F
1,505°C2,741 °F
1,400°C2,552 °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
26 W/m·K15 BTU/hr·ft·°F
13 W/m·K7.5 BTU/hr·ft·°F

Specific Heat Capacity

460 J/kg·K0.11 BTU/lb·°F
460 J/kg·K0.11 BTU/lb·°F
480 J/kg·K0.11 BTU/lb·°F
460 J/kg·K0.11 BTU/lb·°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
10.8 µm/m·K6 µin/in·°F
16.4 µm/m·K9.1 µin/in·°F

Latent Heat of Fusion

270 J/g116 BTU/lb
250 J/g107 BTU/lb
270 J/g116 BTU/lb
285 J/g123 BTU/lb

Max Service Temperature (continuous)

550°C1,022 °F
400°C752 °F
200°C392 °F
700°C1,292 °F

Min Service Temperature

-30°C-22 °F
-30°C-22 °F
-30°C-22 °F
-196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

7.8 % IACS
3.3 % IACS
1.9 % IACS

Electrical Resistivity

2.2×10⁻⁷ Ω·m8.66 µΩ·in
5.2×10⁻⁷ Ω·m20.5 µΩ·in
6×10⁻⁷ Ω·m23.6 µΩ·in
9.1×10⁻⁷ Ω·m35.8 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.6 V
-0.58 V
-0.55 V
-0.1 V

Corrosion Resistance

18 / 100
22 / 100
28 / 100
58 / 100

Manufacturability

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

Machinability

50 / 100
45 / 100
25 / 100
20 / 100

Machinability Rating (AISI 1212 = 100 %)

52%
50%
50%
15%

Weldability

50 / 100
35 / 100
20 / 100
55 / 100

Formability (cold)

48 / 100
20 / 100
15 / 100
30 / 100

Brazeability / Solderability

45 / 100
30 / 100
35 / 100
60 / 100

Polishability

55 / 100
78 / 100
55 / 100
75 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

33 MJ/kg14,187 BTU/lb
34 MJ/kg14,617 BTU/lb
34 MJ/kg14,617 BTU/lb
90 MJ/kg38,693 BTU/lb

Embodied Carbon (primary production)

2.4 kg CO₂/kg
2.6 kg CO₂/kg
2.6 kg CO₂/kg
6.5 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
75 L/kg9 gal/lb
65 L/kg7.8 gal/lb
220 L/kg26.4 gal/lb

Typical Recycled Content

30%
45%
30%
30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

70 kN·m/kg
97 kN·m/kg
122 kN·m/kg
127 kN·m/kg

Specific Stiffness (E / density)

26.4 MN·m/kg
26.9 MN·m/kg
28.1 MN·m/kg
25.3 MN·m/kg

Modulus of Resilience

296 kJ/m³
644 kJ/m³
1,124 kJ/m³
1,308 kJ/m³

Thermal Diffusivity

10.2 mm²/s
6.8 mm²/s
7 mm²/s
3.6 mm²/s

Thermal Shock Resistance Index

8
8
10
4

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 P91SUH660A335 P22

Manufacturing and finishing

CapabilityA335 P22H13A335 P91SUH660
Sheet metalYesYesYes
3D printingYes
Default conditionHRAnnealedHRSTA
Relative cost$$ Standard$$$$ High$$ Standard$$ Standard
Min. machined wall0.8 mm0.8 mm0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µmRa 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.

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.