world of steel A Division of Ellias International




New Document
(Based on ASTM A623)
Designation T-1 T-2 T-3 T-4 T-5 DR-8 DR-9
Aim Rockwell Range (30-T Scale)
46-52

50-56

54-60

58-64

62-68

73

76


nameASTMannealingTemperhardnessRemarks
T50T1BATS230SR50-
-CACS230SR48-
T52T2BATS245SR52-
T55T2.5BATS260SR55-
T57T3BATS275SR57-
-CACS300SR49Create Steel for lids OF
T59T3.5BATS290SR59T59 = T61 = TS290 according to standard
T61T4BATS290SR61T59 = T61 = TS290 according to standard
T61T4CATH415SR61-
T65T5CATH435SR65-
T67T5CATH460SR67-
T70 DR480T6BATS480SR70-
T70 DR480T6CATH480SR70-
.DR520DR7.5BATS520DR71-
.DR520DR7.5CATH520DR71-
DR550DR8BATS550DR72-
DR550DR8CATH550DR72ML550 (Maleis) if lids OF
DR580DR8.5CATH580DR73-
DR620DR9CATH620DR74-


(Based on ASTM STANDARDS)
7B BRIGHT
7C
STONE
5C
SILVER
5C /5D
MATTE


Fraction Decimal Millimeter
1/16 0.0625 1.5875
1/8 0.1250 3.1750
3/16 0.1875 4.7625
1/4 0.2500 6.3500
5/16 0.3125 7.9375
3/8 0.3750 9.5250
7/16 0.4375 11.1125
1/2 0.5000 12.7000
9/16 0.5625 14.2875
5/8 0.6250 15.8750
11/16 0.6875 17.4625
3/4 0.7500 19.0500
13/16 0.8125 20.6375
7/8 0.8750 22.2250
15/16 0.9375 23.8125
1 1.0000 25.4000
 





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