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Steel A220 45008 vs EN-GJMW-400-5

Steel · grade comparison

Steel A220 45008 and EN-GJMW-400-5 are both steel grades. A220 45008 is the stronger of the two: yield strength 330 MPa (47.9 ksi) against 240 MPa (34.8 ksi) for EN-GJMW-400-5, about 38% more; tensile strength follows at 470 MPa (68.2 ksi) vs 430 MPa (62.4 ksi). A220 45008 is the more ductile: elongation 10% versus 7% for EN-GJMW-400-5, and EN-GJMW-400-5 is harder (195 HB vs 175 HB). A220 45008 runs hotter in service (400°C vs 350°C continuous) and EN-GJMW-400-5 conducts heat better (52 W/m·K vs 46 W/m·K). On the shop floor, EN-GJMW-400-5 machines more easily (68 vs 58 out of 100), EN-GJMW-400-5 welds better (good vs poor), and EN-GJMW-400-5 sits in a lower cost tier (budget, $) than A220 45008 (standard, $$).

A220 45008Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

EN-GJMW-400-5Choose it when the part is machined in volume, or when it will be welded.

A220 45008 vs EN-GJMW-400-5: properties

A220 45008EN-GJMW-400-5

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

172 GPa24.9 Msi
175 GPa25.4 Msi

Shear Modulus

68 GPa9.9 Msi
69 GPa10 Msi

Bulk Modulus

120 GPa17.4 Msi
125 GPa18.1 Msi

Poisson's Ratio

0.26
0.27

Tensile Strength (Ultimate)

470 MPa68.2 ksi
430 MPa62.4 ksi

Yield Strength (0.2% offset)

330 MPa47.9 ksi
240 MPa34.8 ksi

Elongation at Break

10%
7%

Reduction in Area

9%
8%

Compressive Strength

1,000 MPa145 ksi
900 MPa131 ksi

Shear Strength

380 MPa55.1 ksi
340 MPa49.3 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
180 MPa26.1 ksi

Charpy V-Notch Impact (RT)

11 J8.1 ft·lbf
10 J7.4 ft·lbf

Hardness, Brinell

175 HB
195 HB

Hardness, Rockwell B

88 HRB
92 HRB

Hardness, Vickers

184 HV
205 HV

Same in both: Fracture Toughness (K_IC) 45 MPa·√m41 ksi·√in

Physical

Density and transition temperatures.

Density

7.27 g/cm³0.26 lb/in³
7.4 g/cm³0.27 lb/in³

Melting Point (Solidus)

1,135°C2,075 °F
1,130°C2,066 °F

Liquidus Temperature

1,250°C2,282 °F
1,200°C2,192 °F

Thermal

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

Thermal Conductivity

46 W/m·K26.6 BTU/hr·ft·°F
52 W/m·K30 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

12 µm/m·K6.7 µin/in·°F
11.5 µm/m·K6.4 µin/in·°F

Max Service Temperature (continuous)

400°C752 °F
350°C662 °F

Min Service Temperature

-30°C-22 °F
-20°C-4 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 220 J/g94.6 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

4.7 % IACS
5 % IACS

Electrical Resistivity

3.7×10⁻⁷ Ω·m14.6 µΩ·in
3.5×10⁻⁷ Ω·m13.8 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

15 / 100
18 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.6 V

Manufacturability

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

Machinability

58 / 100
68 / 100

Machinability Rating (AISI 1212 = 100 %)

80%
90%

Weldability

25 / 100
60 / 100

Formability (cold)

15 / 100
20 / 100

Castability

78 / 100
72 / 100

Brazeability / Solderability

50 / 100
72 / 100

Same in both: Polishability 50 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

20 MJ/kg8,598 BTU/lb
22 MJ/kg9,458 BTU/lb

Embodied Carbon (primary production)

1.8 kg CO₂/kg
2 kg CO₂/kg

Embodied Water

25 L/kg3 gal/lb
50 L/kg6 gal/lb

Typical Recycled Content

90%
85%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

65 kN·m/kg
58 kN·m/kg

Specific Stiffness (E / density)

23.7 MN·m/kg
23.6 MN·m/kg

Modulus of Resilience

317 kJ/m³
165 kJ/m³

Thermal Diffusivity

12.7 mm²/s
14.1 mm²/s

Thermal Shock Resistance Index

10
11

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 scaleA220 45008EN-GJMW-400-5

Manufacturing and finishing

CapabilityA220 45008EN-GJMW-400-5
Default condition——
Relative cost$$ Standard$ Budget
Min. machined wall——
Best machined surface——

Both take the same 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

A220 45008 vs EN-GJMW-400-5 — frequently asked

Is A220 45008 stronger than EN-GJMW-400-5?

Yes. A220 45008 has a typical yield strength of 330 MPa (47.9 ksi) against 240 MPa (34.8 ksi) for EN-GJMW-400-5 — about 38% more. Tensile strength is 470 MPa (68.2 ksi) vs 430 MPa (62.4 ksi).

Which is cheaper, A220 45008 or EN-GJMW-400-5?

EN-GJMW-400-5 is the lower-cost material: it sits in the budget tier ($) while A220 45008 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, A220 45008 or EN-GJMW-400-5?

EN-GJMW-400-5, by a small margin. Both rate good for machinability — 68/100 against 58/100 for A220 45008; for welding the order is EN-GJMW-400-5 first (good, 60/100) then A220 45008 (poor, 25/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in A220 45008 and EN-GJMW-400-5 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.