FabDigitFabDigit

Steel GX23CrMoV12-1 +A vs GX23CrMoV12-1 +NT

Steel · GX23CrMoV12-1 temper comparison

GX23CrMoV12-1 +A and GX23CrMoV12-1 +NT are two conditions of the same steel grade, GX23CrMoV12-1: +A (annealed) versus +NT (normalized and tempered). The chemistry is identical, so every difference below comes from the condition. GX23CrMoV12-1 +NT is the stronger of the two: yield strength 560 MPa (81.2 ksi) against 450 MPa (65.3 ksi) for GX23CrMoV12-1 +A, about 24% more; tensile strength follows at 780 MPa (113 ksi) vs 680 MPa (98.6 ksi). In exchange, GX23CrMoV12-1 +A is the more ductile: elongation 20% versus 17% for GX23CrMoV12-1 +NT, and GX23CrMoV12-1 +NT is harder (245 HB vs 205 HB).

GX23CrMoV12-1 +AChoose it when the part is bent, formed or impact-loaded.

GX23CrMoV12-1 +NTChoose it when strength drives the design.

GX23CrMoV12-1 +A vs GX23CrMoV12-1 +NT: properties

GX23CrMoV12-1 +AGX23CrMoV12-1 +NT

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

680 MPa98.6 ksi
780 MPa113 ksi

Yield Strength (0.2% offset)

450 MPa65.3 ksi
560 MPa81.2 ksi

Elongation at Break

20%
17%

Reduction in Area

52%
45%

Compressive Strength

450 MPa65.3 ksi
560 MPa81.2 ksi

Shear Strength

410 MPa59.5 ksi
470 MPa68.2 ksi

Fatigue Strength (Endurance Limit)

300 MPa43.5 ksi
340 MPa49.3 ksi

Fracture Toughness (K_IC)

95 MPa·√m86.5 ksi·√in
80 MPa·√m72.8 ksi·√in

Hardness, Brinell

205 HB
245 HB

Hardness, Rockwell C

15 HRC
23 HRC

Hardness, Vickers

215 HV
257 HV

Same in both: Elastic (Young's) Modulus 216 GPa31.3 Msi · Shear Modulus 83 GPa12 Msi · Bulk Modulus 170 GPa24.7 Msi · Poisson's Ratio 0.29 · Charpy V-Notch Impact (RT) 30 J22.1 ft·lbf

Physical

Density and transition temperatures.

Same in both: Density 7.7 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,450°C2,642 °F · Liquidus Temperature 1,505°C2,741 °F

Thermal

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

Thermal Conductivity

25 W/m·K14.4 BTU/hr·ft·°F
24 W/m·K13.9 BTU/hr·ft·°F

Same in both: Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 10.5 µm/m·K5.8 µin/in·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Max Service Temperature (continuous) 550°C1,022 °F · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

5.8×10⁻⁷ Ω·m22.8 µΩ·in
6×10⁻⁷ Ω·m23.6 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

48 / 100
52 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.3 V

Manufacturability

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

Machinability

40 / 100
34 / 100

Machinability Rating (AISI 1212 = 100 %)

50%
42%

Weldability

40 / 100
32 / 100

Formability (cold)

20 / 100
10 / 100

Same in both: Castability 60 / 100 · Brazeability / Solderability 30 / 100 · Polishability 62 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 33 MJ/kg14,187 BTU/lb · Embodied Carbon (primary production) 2.5 kg CO₂/kg · Embodied Water 60 L/kg7.2 gal/lb · Typical Recycled Content 70%

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 scaleGX23CrMoV12-1

GX23CrMoV12-1 +A vs GX23CrMoV12-1 +NT — frequently asked

Is GX23CrMoV12-1 +NT stronger than GX23CrMoV12-1 +A?

Yes. GX23CrMoV12-1 +NT has a typical yield strength of 560 MPa (81.2 ksi) against 450 MPa (65.3 ksi) for GX23CrMoV12-1 +A — about 24% more. Tensile strength is 780 MPa (113 ksi) vs 680 MPa (98.6 ksi).

Which condition does FabDigit quote by default, +A or +NT?

+QT1 is the default GX23CrMoV12-1 condition in the FabDigit quote flow (neither +A nor +NT). 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.

Which is easier to machine, GX23CrMoV12-1 +A or GX23CrMoV12-1 +NT?

GX23CrMoV12-1 +A. Its machinability rates fair (40/100) against poor (34/100) for GX23CrMoV12-1 +NT; for welding the order is GX23CrMoV12-1 +A first (fair, 40/100) then GX23CrMoV12-1 +NT (poor, 32/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in GX23CrMoV12-1 +A and GX23CrMoV12-1 +NT 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.