Combine Séries Graph at different Scales

Chaturvedi, Santosh 400 Reputation points
2026-08-31T14:53:47.5666667+00:00

Hello --> Greetings !!

here is an situation. (Values are Hypothetical not real time data)


I need to creaet the graoph like below merging 3 to 4 series with different large scale at x& y axis, pelase see below.

Target graph to consreuct.

User's image


Current situation.

  1. I have added 2 series as shown below, this need to be reversed-as per fig above-> Please advice.
  2. The other series (gren, pink, red) to be combined in the graph. Notice Y axis shall be on common, X axis is having larger values (10 power 6)

User's image


Target to make : The following result is required.

User's image

Please advice.


Microsoft 365 and Office | Excel | For business | Windows
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Answer accepted by question author
Hani-Ng 1,135 Reputation points Independent Advisor
2026-08-31T15:22:35.2366667+00:00

Hi Chaturvedi, Santosh

You can refer to AI's recommendations first, especially regarding the use of an XY (Scatter) chart and proper assignment of X and Y values for each series.

In addition, if the objective is to reproduce the reference figure as closely as possible, it may be worth considering a Combo Chart approach. The stress spectrum (blue/orange bars) and the S-N curve points (σR, σD, σL) represent different types of X-axis data:

  • The spectrum is typically displayed against ordered intervals or categories.
  • The S-N curve is based on actual cycle counts (N), often spanning several orders of magnitude and requiring a logarithmic scale.

Therefore, keeping the spectrum as a Column/Area series and plotting the S-N curve on a secondary logarithmic X-axis can sometimes provide a layout that more closely matches the target figure. Also, if the spectrum appears in the opposite direction, reversing the primary category axis may help achieve the desired left-to-right presentation.

Overall, XY chart suggestion is a good starting point. If maintaining the spectrum appearance shown in the target graph is equally important, a Combo Chart with a logarithmic secondary axis may be an alternative worth exploring.

I hope this information helps and if you have any further questions, please feel free to ask via comment section.

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  1. AI answer

    2026-08-31T14:54:08.81+00:00

    Use an XY (Scatter) chart for this, not a regular Line or Column chart. An XY chart treats both X and Y as numeric values, which is required when the X values are large and unevenly spaced.

    Recommended setup:

    1. Arrange each series as paired numeric columns:
      • Series 1: X1, Y1
      • Series 2: X2, Y2
      • Series 3: X3, Y3
      • Series 4: X4, Y4
    2. Insert the first series as:
      • Insert > Scatter (X, Y) > Scatter with Straight Lines and Markers
    3. Add the other series to the same chart:
      • Select the chart
      • Go to Chart Design > Select Data > Add
      • For each series, assign its X values and Y values separately
    4. If one series must use a different scale, place it on a secondary axis:
      • Select that series
      • Right-click Format Data Series
      • Under Series Options, choose Secondary Axis
    5. If the chart needs a mixed presentation, use a Combo chart and enable Secondary Axis for the required series:
      • Chart Design > Change Chart Type > Combo
      • Check Secondary Axis for the series that should be separated
    6. To keep the graph adjusting automatically when values change:
      • Keep axis bounds on Automatic
      • Convert the source range to an Excel Table before creating the chart so added rows are included automatically
    7. For a consistent result like the target image:
      • Put the descending line as one XY series
      • Put the colored point groups or segments as separate XY series
      • Use the same Y-axis when scales are comparable
      • Use the secondary axis only for the series with a very different scale

    If the current chart is reversed, rebuild it as an XY (Scatter) chart and explicitly assign the correct X range and Y range for each series. That is the key change needed to match the target graph.


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