AISI Type 01
A.I.S.I. TYPE O1
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Typical Analysis
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C
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Mn
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Si
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Cr
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V
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Mo
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.95
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1.20
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.30
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.50
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.20
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.50
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General Characteristics
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Highly versatile and easy to handle in every respect, O1 has long been considered the general purpose tool room steel. Low hardening temperatures allow in-plant heat treatment even where facilities are limited, saving time and expense. Available in a wide variety of sizes and shapes, O1 is a practical selection for many tooling and maintenance applications.
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Typical Applications
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Blanking, forming, drawing, molding, trimming dies, spindles, thread gauges, collets and stamps.
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Heat Treatment (degrees in Fahrenheit)
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Forging
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Annealing
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Preheating
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Hardening
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Tempering
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1925 to 1500
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1400 to 1440
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1200 to 1250
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1450 to 1500
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350 to 450
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Effects of Tempering (Measured in Rockwell C)
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As hardened
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400 deg. F
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600 deg. F
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800 deg. F
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1000 deg. F
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63 to 65
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61 to 63
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55 to 57
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48 to 50
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39 to 41
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AISI Type S7
A.I.S.I. TYPE S7
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Typical Analysis
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C
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Mn
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Si
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Cr
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Mo
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.50
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.70
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.30
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3.25
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1.40
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General Characteristics
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An air-hardening tool steel, S7 is a good general purpose and shock resisting tool steel well suited for many tools requiring exceptional toughness, good wear and resistance and added dimensional stability. Typical applications include blanking and forming dies.
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Typical Applications
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Punches, blanking dies, plastic molds, chisels, shears, forming dies, hobbled dies
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Heat Treatment (degrees in Fahrenheit)
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Forging
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Annealing
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Preheating
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Hardening
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Tempering
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1800 to 2100
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1500 to 1600
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1725 to 1850
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400 to 1150
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Effects of Tempering (Measured in Rockwell C)
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As hardened
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400 deg. F
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600 deg. F
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800 deg. F
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1000 deg. F
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60 to 62
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58 to 59
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55 to 56
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54 to 55
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53 to 54
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AISI Type H13
A.I.S.I. TYPE H13
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Typical Analysis
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C
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Mn
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Si
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Cr
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V
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Mo
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.38
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.35
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1.00
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5.25
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1.05
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1.35
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General Characteristics
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Designed to retain hardness at elevated temperatures and withstand the effects of alternate heating and cooling, H13 is used extensively in aluminum extrusion, aluminum die casting and forging die applications. Its exceptional toughness and inherent resiliency have also made this a popular material for die casing in the cold heading field. H13 is recommended in a wide range of hot work applications.
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Typical Applications
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Die casting, die inserts, core pins, bolsters, ejector pins, mandrels
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