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44 Cards in this Set
- Front
- Back
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4130
What is the first digit signify? |
Major Alloy, (Molybdenum)
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1220
What does the second digit signify? |
Minor Alloy, (Resulfurized and rephosphorized)
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1120
What does the third and fourth digit signify? |
Carbon Content, (In hundredths of a percent by weight)
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What is the Major Alloy?
1xxx |
Carbon steels
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What is the Major Alloy?
2xxx |
Nickel steels
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What is the Major Alloy?
3xxx |
Nickel-chromium steels
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What is the Major Alloy?
4xxx |
Molybdenum steels
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What is the Major Alloy?
5xxx |
Chromium steels
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What is the Major Alloy?
6xxx |
Chromium-vanadium steels
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What is the Major Alloy?
7xxx |
Tungsten steels
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What is the Major Alloy?
8xxx |
Nickel-chromium-vanadium steels
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What is the Major Alloy?
9xxx |
Silicon-manganese steels
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What is the Minor Alloy?
10XX |
Plain carbon (Mn 1.00% max)
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What is the Minor Alloy?
11XX |
Resulfurized
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What is the Minor Alloy?
12XX |
Resulfurized and rephosphorized
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What is the Minor Alloy?
13XX |
Manganese, Mn 1.75%
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What is the Minor Alloy?
14XX |
Unknown
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What is the Minor Alloy?
15XX |
Plain carbon (Mn 1.00% to 1.65%)
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What is the Minor Alloy?
23XX |
Nickel steels, Ni 3.50%
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What is the Minor Alloy?
25XX |
Nickel steels, Ni 5.00%
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What is the Minor Alloy?
31xx |
Nickel-chromium steels, Ni 1.25%, Cr 0.65% or 0.80%
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What is the Minor Alloy?
32xx |
Nickel-chromium steels, Ni 1.25%, Cr 1.07%
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What is the Minor Alloy?
33xx |
Nickel-chromium steels, Ni 3.50%, Cr 1.50% or 1.57%
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What is the Minor Alloy?
34xx |
Nickel-chromium steels, Ni 3.00%, Cr 0.77%
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What is the Minor alloy?
40xx |
plain, Mo 0.20% or 0.25% or 0.25% Mo & 0.042 S
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What is the Minor alloy?
44xx |
plain, Mo 0.40% or 0.52%
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What is the Minor alloy?
41xx |
Chromium-molybdenum (Chromoly) steels, Cr 0.50% or 0.80% or 0.95%, Mo 0.12% or 0.20% or 0.25% or 0.30%
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What is the Minor alloy?
43xx |
Nickel-chromium-molybdenum steels, Ni 1.82%, Cr 0.50% to 0.80%, Mo 0.25%
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What is the Minor alloy?
43BVxx |
Nickel-chromium-molybdenum steels, Ni 1.82%, Cr 0.50%, Mo 0.12% or 0.35%, V 0.03% min
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What is the Minor alloy?
47xx |
Ni 1.05%, Cr 0.45%, Mo 0.20% or 0.35%
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What is the Minor alloy?
46xx |
Nickel-molybdenum steels, Ni 0.85% or 1.82%, Mo 0.20% or 0.25%
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What is the Minor alloy?
48xx |
Ni 3.50%, Mo 0.25%, Ni 3.50%, Mo 0.25%
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What is the Minor alloy?
50xx |
Chromium steels, Cr 0.27% or 0.40% or 0.50% or 0.65%
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What is the Minor alloy?
50xxx |
Chromium steels, Cr 0.50%, C 1.00% min
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What is the Minor alloy?
50Bxx |
Chromium steels, Cr 0.28% or 0.50%
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What is the Minor alloy?
51xx |
Chromium steels, Cr 0.80% or 0.87% or 0.92% or 1.00% or 1.05%
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What is the Minor alloy?
51xxx |
Chromium steels, Cr 1.02%, C 1.00% min
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What is the Minor alloy?
51Bxx |
Chromium steels, Cr 0.80%
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What is the Minor alloy?
52xxx |
Chromium steels, Cr 1.45%, C 1.00% min
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What is the Minor alloy?
61xx |
Chromium-vanadium steels, Cr 0.60% or 0.80% or 0.95%, V 0.10% or 0.15% min
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What is the Minor alloy?
72xx |
Tungsten-chromium steels, W 1.75%, Cr 0.75%
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What is the Minor alloy?
81xx |
Nickel-chromium-molybdenum steels, Ni 0.30%, Cr 0.40%, Mo 0.12%
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What is the Minor alloy?
81Bxx |
Nickel-chromium-molybdenum steels, Ni 0.30%, Cr 0.45%, Mo 0.12%
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What is the Minor alloy?
86xx |
Nickel-chromium-molybdenum steels, Ni 0.55%, Cr 0.50%, Mo 0.20%
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