Stainless Steel XM-32-A vs XM-32-H900
Stainless Steel · XM-32 temper comparison
XM-32-A and XM-32-H900 are two conditions of the same stainless steel grade, XM-32: A (solution annealed) versus H900 (aged 482 °C (900 °F) for 1 h, peak hardness). The chemistry is identical, so every difference below comes from the condition. XM-32-H900 is the stronger of the two: yield strength 1,205 MPa (175 ksi) against 745 MPa (108 ksi) for XM-32-A, about 62% more; tensile strength follows at 1,275 MPa (185 ksi) vs 965 MPa (140 ksi). In exchange, XM-32-A is the more ductile: elongation 18% versus 14% for XM-32-H900, and XM-32-H900 is harder (41 HRC vs 30 HRC).
XM-32-AChoose it when the part is bent, formed or impact-loaded.
XM-32-H900Choose it when strength drives the design.
XM-32-A vs XM-32-H900: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all stainless steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all stainless steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Rockwell C
Hardness, Vickers
Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 77 GPa11.2 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.28 · Compressive Strength 760 MPa110 ksi · Hardness, Brinell 285 HB
Physical
Density and transition temperatures.
Same in both: Density 7.78 g/cm³0.28 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.
Max Service Temperature (continuous)
Same in both: Thermal Conductivity 18 W/m·K10.4 BTU/hr·ft·°F · Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 10.8 µm/m·K6 µin/in·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Min Service Temperature -75°C-103 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 2.2 % IACS · Electrical Resistivity 8×10⁻⁷ Ω·m31.5 µΩ·in
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.28 V
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability Rating (AISI 1212 = 100 %)
Same in both: Machinability 45 / 100 · Weldability 55 / 100 · Formability (cold) 60 / 100 · Castability 45 / 100 · Brazeability / Solderability 50 / 100 · Polishability 70 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 62 MJ/kg26,655 BTU/lb · Embodied Carbon (primary production) 4.8 kg CO₂/kg · Embodied Water 90 L/kg10.8 gal/lb · Typical Recycled Content 45%
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.
XM-32-A vs XM-32-H900 — frequently asked
Is XM-32-H900 stronger than XM-32-A?
Yes. XM-32-H900 has a typical yield strength of 1,205 MPa (175 ksi) against 745 MPa (108 ksi) for XM-32-A — about 62% more. Tensile strength is 1,275 MPa (185 ksi) vs 965 MPa (140 ksi).
Which condition does FabDigit quote by default, A or H900?
A is the default XM-32 condition in the FabDigit quote flow. The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.
When should I choose XM-32-A over XM-32-H900?
Pick XM-32-A when the part is bent, formed or impact-loaded. Pick XM-32-H900 when strength drives the design.
Ready to make it?
Upload a CAD file and FabDigit prices the part in XM-32-A and XM-32-H900 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.