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Steel A1011 SS Grade 50 vs S700MC

Steel · grade comparison

Steel A1011 SS Grade 50 and S700MC are both steel grades. S700MC is the stronger of the two: yield strength 740 MPa (107 ksi) against 380 MPa (55.1 ksi) for A1011 SS Grade 50, about 95% more; tensile strength follows at 810 MPa (117 ksi) vs 490 MPa (71.1 ksi). In exchange, A1011 SS Grade 50 is the more ductile: elongation 26% versus 14% for S700MC, and S700MC is harder (245 HB vs 145 HB). A1011 SS Grade 50 runs hotter in service (350°C vs 300°C continuous) and A1011 SS Grade 50 conducts heat better (48 W/m·K vs 40 W/m·K). On the shop floor, A1011 SS Grade 50 machines more easily (good vs fair) and A1011 SS Grade 50 sits in a lower cost tier (budget, $) than S700MC (standard, $$).

A1011 SS Grade 50Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

S700MCChoose it when strength drives the design.

A1011 SS Grade 50 vs S700MC: properties

A1011 SS Grade 50S700MC

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

205 GPa29.7 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)

490 MPa71.1 ksi
810 MPa117 ksi

Yield Strength (0.2% offset)

380 MPa55.1 ksi
740 MPa107 ksi

Elongation at Break

26%
14%

Compressive Strength

380 MPa55.1 ksi
740 MPa107 ksi

Shear Strength

320 MPa46.4 ksi
490 MPa71.1 ksi

Fatigue Strength (Endurance Limit)

235 MPa34.1 ksi
360 MPa52.2 ksi

Charpy V-Notch Impact (RT)

50 J36.9 ft·lbf
90 J66.4 ft·lbf

Hardness, Brinell

145 HB
245 HB

Hardness, Rockwell B

79 HRB
100 HRB

Hardness, Vickers

152 HV
255 HV

Hardness, Rockwell C

—
23 HRC

Same in both: Bulk Modulus 160 GPa23.2 Msi · Reduction in Area 55% · Fracture Toughness (K_IC) 100 MPa·√m91 ksi·√in

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,425°C2,597 °F
1,460°C2,660 °F

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Liquidus Temperature 1,510°C2,750 °F

Thermal

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

Thermal Conductivity

48 W/m·K27.7 BTU/hr·ft·°F
40 W/m·K23.1 BTU/hr·ft·°F

Max Service Temperature (continuous)

350°C662 °F
300°C572 °F

Min Service Temperature

-20°C-4 °F
-40°C-40 °F

Same in both: Specific Heat Capacity 470 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 12 µm/m·K6.7 µin/in·°F · Latent Heat of Fusion 270 J/g116 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

9 % IACS
8 % IACS

Electrical Resistivity

1.9×10⁻⁷ Ω·m7.48 µΩ·in
2.2×10⁻⁷ Ω·m8.66 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.62 V · Corrosion Resistance 12 / 100

Manufacturability

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

Machinability

58 / 100
45 / 100

Machinability Rating (AISI 1212 = 100 %)

58%
50%

Formability (cold)

62 / 100
65 / 100

Brazeability / Solderability

60 / 100
50 / 100

Polishability

45 / 100
50 / 100

Same in both: Weldability 85 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Water

45 L/kg5.4 gal/lb
40 L/kg4.8 gal/lb

Typical Recycled Content

35%
25%

Same in both: Embodied Energy (primary production) 25 MJ/kg10,748 BTU/lb · Embodied Carbon (primary production) 2 kg CO₂/kg

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

62 kN·m/kg
103 kN·m/kg

Specific Stiffness (E / density)

26.1 MN·m/kg
26.8 MN·m/kg

Modulus of Resilience

352 kJ/m³
1,304 kJ/m³

Thermal Diffusivity

13 mm²/s
10.8 mm²/s

Thermal Shock Resistance Index

10
13

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 scaleS700MCA1011 SS Grade 50

Manufacturing and finishing

CapabilityA1011 SS Grade 50S700MC
Sheet metal—Yes
Default condition—TMCP
Relative cost$ Budget$$ Standard
Min. machined wall——
Best machined surface——
Black Oxide—Yes
Cerakote—Yes
Chrome Plating—Yes
E-Coating—Yes
Hot-Dip Galvanizing—Yes
Nickel Plating—Yes
PTFE Coating—Yes
Painting—Yes
Powder Coating—Yes
Tin Plating—Yes
Zinc Plating—Yes
Zinc-Flake (Dip-Spin) Coating—Yes
Zinc-Nickel Plating—Yes

They share 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

A1011 SS Grade 50 vs S700MC — frequently asked

Is S700MC stronger than A1011 SS Grade 50?

Yes. S700MC has a typical yield strength of 740 MPa (107 ksi) against 380 MPa (55.1 ksi) for A1011 SS Grade 50 — about 95% more. Tensile strength is 810 MPa (117 ksi) vs 490 MPa (71.1 ksi).

Which is cheaper, A1011 SS Grade 50 or S700MC?

A1011 SS Grade 50 is the lower-cost material: it sits in the budget tier ($) while S700MC is standard ($$). 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, A1011 SS Grade 50 or S700MC?

A1011 SS Grade 50. Its machinability rates good (58/100) against fair (45/100) for S700MC.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A1011 SS Grade 50 and S700MC 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.