TM 1-1500-204-23-6
Table 4-10. Identification of Steel--CONT
Commercial
Current
Surface
designation
Specification
Physical condition
condition
Bars and Rods - continued
4037
AMS6300
A (As Forged)
Same as 1095
B (As Rolled)
C (Annealed)
D (Normalized)
E (Normalized and
Tempered)
F (Hardened and
Tempered)
G (Drawn and
Normalized)
H (Normalized and
Spheroidize Annealed)
Furnished in C-4 Condition 1-1/2 inch
Diameter or Thickness and Under, and
C-2 Condition Over 1-1/2 inch Diameter
or Thickness Unless Otherwise Specified
4130
MIL-S-6758
A (As Forged)
Same as 1095
B (As Rolled)
C (Annealed)
D (Normalized)
E (Normalized and Tempered)
F (Hardened and Tempered)
4140
MIL-S-5626
Same as 4130
Same as 1095
4340 or E4340
MIL-S-5000
Same as 4130
Same as 1095
6150
MIL-S-8503
Same as 4130 (A
Same as 1095
through E)
8620
MIL-S-8690
A (As Forged)
(1) Black as
B (As Rolled)
Forged or
C (Annealed)
Rolled
D (Normalized)
(2) Pickled or
E (Normalized and
Blast
Tempered)
Cleaned
(3) Rough
Turned
(4) Cold Finish
Furnished in C-4 Condition 1-1/2 inch
Diameter or Thickness and Under, and
C-2 Condition Over 1-1/2 inch Diameter
or Thickness Unless Otherwise Specified
4-22
