Frequently asked questions about aluminum temper conversion.

The following tables will show the most common temper conversions.

 

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General Temper Conversions For 7075 Material

General Temper Conversions For 7075 Material
"0"
01
T6
T651
T6511
T73
T7351
T73511
T76
T7651
T76511
STARTING MILL
TEMPER BELOW
                     
"0"-Condition
no
yes**
no
no
yes**
no
no
yes**
no
no
T6
yes
no
no
no
yes
no
no
yes
no
no
T651
yes
no
yes**
no
yes**
yes
no
yes**
yes
no
T6511
yes
no
yes**
no
yes**
no
yes
yes**
no
yes
T73
yes
no
yes**
no
no
no
no
yes**
no
no
T7351
yes
no
yes**
no
no
yes**
no
yes**
no
no
T73511
yes
no
yes**
no
no
yes**
no
yes**
no
no
T76
yes
no
yes**
no
no
yes**
no
no
  
no
no
T7651
yes
no
yes**
no
no
yes**
no
no
yes**
  
no
T76511
yes
no
yes**
no
no
yes**
no
no
yes**
no
  

** Can be achieved by resolution and/or resolution and artificial age. This process can cause
distortion depending on material thickness and configuration.

 


General Temper Conversions For 6061 Material

General Temper Conversions For 6061 Material
"0"
T4
T42
T6
T62
STARTIING MILL TEMPER BELOW
         

"0"-Condition
yes**
yes**
yes**
yes**
T4
yes
yes**
yes
yes**
T42
yes
yes**
yes**
yes
T6
yes
yes**
yes**
yes**
T62
yes
yes**
yes**
yes**

** Can be achieved by resolution and/or resolution and artificial age. This process can cause distortion depending on material thickness and configuration.



General Temper Conversions For 2024 Material

General Temper Conversions For 2024 Material
"0"
T3
T351
T3511
T4
T42
T6
T62
T81
T851
T8511
STARTING MILL TEMPER BELOW
                     
"0"-Condition
no
no
no
yes**
yes**
yes**
yes**
no
no
no
T3
yes
no
no
yes**
yes**
yes**
yes**
yes
no
no
T351
yes
no
no
yes**
yes**
yes**
yes**
no
yes
no
T3511
yes
no
no
yes**
yes**
yes**
yes**
no
no
yes
T4
yes
no
no
no
yes**
yes
yes**
no
no
no
T42
yes
no
no
no
yes**
yes**
yes
no
no
no
T6
yes
no
no
no
yes**
yes**
yes**
no
no
no
T62
yes
no
no
no
yes**
yes**
yes**
no
no
no
T81
yes
no
no
no
yes**
yes**
yes**
yes**
no
no
T851
yes
no
no
no
yes**
yes**
yes**
yes**
no
no
T8511
yes
no
no
no
yes**
yes**
yes**
yes**
no
no

** Can be achieved by resolution and/or resolution and artificial age. This process can cause distortion depending on material thickness and configuration.



 C

Scale


A

Scale


15-N

Scale


KSI

PSI


C

Scale


A

Scale


15-N

Scale


KSI

PSI

80

92.0

96.5

N/A

49

75.2

85.0

246

79

91.5

96.3

N/A

48

74.7

84.5

238

78

91.0

96.0

N/A

47

74.1

83.9

229

77

90.5

95.8

N/A

46

73.6

83.5

221

76

90.0

95.5

N/A

45

73.1

83.0

215

75

89.5

95.3

N/A

44

72.5

82.5

208

74

89.0

95.0

N/A

43

72.0

82.0

201

73

88.5

94.8

N/A

42

71.5

81.5

194

72

88.0

94.5

N/A

41

70.9

80.9

188

71

87.0

94.3

N/A

40

70.4

80.4

182

70

86.5

94.0

N/A

39

69.9

79.9

177

69

86.0

93.5

N/A

38

69.4

79.4

171

68

85.6

93.2

N/A

37

68.9

78.8

166

67

85.0

92.9

N/A

36

68.4

78.3

161

66

84.5

92.5

N/A

35

67.9

77.7

156

65

83.9

92.2

N/A

34

67.4

77.2

152

64

83.4

91.8

N/A

33

66.8

76.6

149

63

82.8

91.4

N/A

32

66.3

76.1

146

62

82.3

91.1

N/A

31

65.8

75.6

141

61

81.8

90.7

N/A

30

65.3

75.0

138

60

81.2

90.2

N/A

29

64.6

74.5

135

59

80.7

89.8

351

28

64.3

73.9

131

58

80.1

89.3

338

27

63.8

73.3

128

57

79.6

88.9

325

26

63.3

72.8

125

56

79.0

88.3

313

25

62.8

72.2

123

55

78.5

87.9

301

24

62.4

71.6

119

54

78.0

87.4

292

23

62.0

71.0

117

53

77.4

86.9

283

22

61.5

70.5

115

52

76.8

86.4

273

21

61.0

69.9

112

51

76.3

85.9

264

20

60.5

69.4

110

50

75.9

85.5

255


***The conversion values are approximate values only. They have been independently developed and appear to be consistent with ASTM E-140 and A-370.

 

Required Hardness for Precipitation-Hardening Corrosion-Resistant Steels After Aging


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Round Test Bar Requirements For Pull Test


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Flat Test Bar Requirements For Pull Test


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Decarb Specimen Sizes:

1/2 to 3/4" DIA
1/8 to 1/4" Thick max
Mill decarb to be removed from circumfrence ground to 125 finish on both sides

 
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