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The Working of Steel: Annealing, Heat Treating and Hardening of Carbon and Alloy SteelColvin, Fred H. (Fred Herbert)

Science

The Working of Steel: Annealing, Heat Treating and Hardening of Carbon and Alloy Steel

Name: The Working of Steel: Annealing, Heat Treating and Hardening of Carbon and Alloy Steel
Author: Colvin, Fred H. (Fred Herbert)

Colvin, Fred H. (Fred Herbert)

Steel

TABLE 6.--NICKEL STEELS
-----------------------------------------------------------------------------
   S. A. E.   |       |          | Phosphorus|       |            |
Specification |       |          | (maximum) |       |            |
    no.   ----        |           \         /        |            |
         |   Carbon   |  Manganese |       | Sulphur |   Nickel   |  Heat
         |(minimum and|(minimum and|       |(maximum)|(minimum and|treatment
         |   maximum) |   maximum) |       |         |  maximum)  |
---------|------------|------------|-------|---------|------------|----------
  2,315  |0.10 to 0.20|0.50 to 0.80|  0.04 |  0.045  |3.25 to 3.75|G, H or K
  2,320  |0.15 to 0.25|0.50 to 0.80|  0.04 |  0.045  |3.25 to 3.75|G, H or K
  2,330  |0.25 to 0.35|0.50 to 0.80|  0.04 |  0.045  |3.25 to 3.75| H or K
         |            |            |       |         |            |
  2,335  |0.30 to 0.40|0.50 to 0.80|  0.04 |  0.045  |3.25 to 3.75| H or K
  2,340  |0.35 to 0.45|0.50 to 0.80|  0.04 |  0.045  |3.25 to 3.75| H or K
  2,345  |0.40 to 0.50|0.50 to 0.80|  0.04 |  0.045  |3.25 to 3.75| H or K
-----------------------------------------------------------------------------

TABLE 7.--NICKEL-CHROMIUM STEELS
-------------------------------------------------------------------------------
   S. A. E.  |     |     | Phosphorus| Sulphur  |       |            |
Specification|     |     |  (maximum)|(maximum) |       |            |  Heat
  no.  ------      |      ------     |      ----        |            |treatment
      |   Carbon   |  Manganese |    |     |   Nickel   |  Chromium  \
      |(minimum and|(minimum and|    |     |(minimum and|(minimum and |
      |  maximum)  |   maximum) |    |     |  maximum)  |  maximum)   |
------|------------|------------|----|-----|------------|-------------|--------
 3,120|0.15 to 0.25|0.50 to 0.80|0.04|0.045|1.00 to 1.50|0.45 to 0.75*|G,H or D
 3,125|0.20 to 0.30|0.50 to 0.80|0.04|0.045|1.00 to 1.50|0.45 to 0.75*|H,D or E
 3,130|0.25 to 0.35|0.50 to 0.80|0.04|0.045|1.00 to 1.50|0.45 to 0.75*|H,D or E
      |            |            |    |     |            |             |
 3,135|0.30 to 0.40|0.50 to 0 80|0.04|0.045|1.00 to 1.50|0.45 to 0 75*|H,D or E
 3,140|0.35 to 0.45|0.50 to 0.80|0.04|0.045|1.00 to 1.50|0.45 to 0.75*|H,D or E
 3,220|0.15 to 0.25|0.30 to 0.60|0.04|0.040|1.50 to 2.00|0.90 to 1.25 |G,H or D
      |            |            |    |     |            |             |
 3,230|0.25 to 0.35|0.30 to 0.60|0.04|0.040|1.50 to 2.00|0.90 to 1.25 | H or D
 3,240|0.35 to 0.45|0.30 to 0.60|0.04|0.040|1.50 to 2.00|0.90 to 1.25 | H or D
 3,250|0.45 to 0.55|0.30 to 0.60|0.04|0.040|1.50 to 2.00|0.90 to 1.25 | M or Q
      |            |            |    |     |            |             |
X3,315|0.10 to 0.20|0.45 to 0.75|0.04|0.040|2.75 to 3.25|0.60 to 0.95 |   G
X3,335|0.30 to 0.40|0.45 to 0.75|0.04|0.040|2.75 to 3.25|0.60 to 0.95 | P or R

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The Working of Steel: Annealing, Heat Treating and Hardening of Carbon and Alloy Steel

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