A级爱爱片欧美

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          FOR QUOTES AND ORDERS PLEASE CALL 1-800-547-1091 OR
          PMTSCO

          < RETURN TO TOOL & DIE STEEL

          Trucks

          O-1 Annealed

          Tool & Die Steel PRODUCT

          PACIFIC O1 is a general purpose, relatively non-performing grade which hardens from low temperatures (smaller tools and dies can be heated with a torch). When greater stability in heat treatment and/or wear resistance is required, consider PACIFIC A2. If machinability is of prime importance, consider Graph-Mo? (06).


          CHEMICAL COMPOSITION
          Heat Analysis - ranges and limits %

          C
          .90
          Mn
          1.00
          Cr
          .50
          W
          .50

          FORGING:
          Heat to 1800/1950°F, do not forge below 1550°F.

          ANNEALING:
          Heat to 1400/1450°F and hold 1 to 4 hours depending on part size, cool at a maximum rate of 40°F per hour to 1000°F (cooling rate below 1000°F is not critical). Typical annealed hardness is 183/212 HB.

          STRESS RELIEVING:
          Heat to 1200/1250°F for 1 hour minimum at temperature and cool in air.

          HARDENING:
          Preheat at 1200°F. Austenitize at 1450/1500°F for 10 to 30 minutes. Quench in oil to an expected hardness of 63/65 HRC.

          TEMPERING (Drawing):
          Temper at 350/500°F for an hour at temperature to approximate hardness of 62 to 57 HRC. Usually, when greater toughness is required than can be obtained by tempering above 500°F, it is customary to use a shock resisting tool steel such as PACIFIC S7.


          Tempering Temperature oF
          Approximate Hardness, HRC
          300
          63/65
          350
          62/64
          400
          61/63
          450
          60/62
          500
          58/60
          600
          55/57
          700
          51/53
          800
          48/40
          900
          44/47
          1000
          40/44

          Shapes and Conditions Available
          Annealed Rounds through 12" Diameter
          SE? Flats & Squares from 1/2" through 1-1/2" Thickness

          A级爱爱片欧美

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