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Alloys - Alro Steel | American Metal Supplier | Since 1948

8-1 AlloysETD 150 ..8-2 ETD 150 Rounds ..8-2 aisi 4140/41L40 - Annealed ..8-3 aisi 4140 - Annealed Flats And Squares ..8-4 thru 8-5 aisi 4140 - Annealed Rounds ..8-5 thru 8-6 aisi 4140 Rounds HR Q&T ..8-7 aisi 4140 and 41L40* Annealed CF Rounds ..8-8 aisi 4140/4142 CF Q&T ..8-8 aisi 4140 Q&T TG&P ..8-9 aisi 4140 Annealed CF Squares ..8-9 aisi 4140 Annealed CF Hexagons ..8-9 aisi 4140 Annealed CF Flats ..8-10 aisi 4140/4142 - (MOD) ..8-11 aisi 4140/4142 - (MOD) Flats And thru 8-14 aisi 4140 - As Rolled Plate ..8-15 aisi 4150 Hot Rolled Annealed ..8-16 aisi 4150 Hot Rolled Annealed Rounds ..8-16 aisi 4150R Q&T SR ..8-17 aisi 4150R Q&T SR Rounds ..8-184150 DYBAR - (MOD) RS ..8-194150 DYBAR - (MOD) RS Flats ..8-19 aisi 4340 - Annealed Q&T ..8-20 aisi 4340 - HR Q&T Rounds ..8-21 aisi 4340 - Annealed Rounds ..8-21 aisi 4340 - Annealed Aircraft Quality (AQ) Rounds.

8-3 AISI 4140/41L40 - ANNEALED This medium carbon alloy grade is widely used for many general purpose parts requiring high tensile strength and toughness. 4140 contains chromium and …

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Transcription of Alloys - Alro Steel | American Metal Supplier | Since 1948

1 8-1 AlloysETD 150 ..8-2 ETD 150 Rounds ..8-2 aisi 4140/41L40 - Annealed ..8-3 aisi 4140 - Annealed Flats And Squares ..8-4 thru 8-5 aisi 4140 - Annealed Rounds ..8-5 thru 8-6 aisi 4140 Rounds HR Q&T ..8-7 aisi 4140 and 41L40* Annealed CF Rounds ..8-8 aisi 4140/4142 CF Q&T ..8-8 aisi 4140 Q&T TG&P ..8-9 aisi 4140 Annealed CF Squares ..8-9 aisi 4140 Annealed CF Hexagons ..8-9 aisi 4140 Annealed CF Flats ..8-10 aisi 4140/4142 - (MOD) ..8-11 aisi 4140/4142 - (MOD) Flats And thru 8-14 aisi 4140 - As Rolled Plate ..8-15 aisi 4150 Hot Rolled Annealed ..8-16 aisi 4150 Hot Rolled Annealed Rounds ..8-16 aisi 4150R Q&T SR ..8-17 aisi 4150R Q&T SR Rounds ..8-184150 DYBAR - (MOD) RS ..8-194150 DYBAR - (MOD) RS Flats ..8-19 aisi 4340 - Annealed Q&T ..8-20 aisi 4340 - HR Q&T Rounds ..8-21 aisi 4340 - Annealed Rounds ..8-21 aisi 4340 - Annealed Aircraft Quality (AQ) Rounds.

2 8-22 aisi 6150 - Annealed ..8-23 aisi 6150 - Annealed Flats And Squares ..8-24 thru 8-25 aisi 6150 - Annealed Rounds ..8-26 aisi 8620/86L20 ..8-27 aisi 8620 Flats And Squares ..8-28 thru 8-29 aisi 8620 HR Rounds ..8-30 aisi 8620 CF Rounds ..8-30 aisi 86L20 CF Rounds ..8-31 aisi 8620 Plate ..8-31 aisi 52100 ..8-31 aisi 52100 SQUARE ..8-33 TOLERANCESHot Rolled Alloy Bars ..8-34 Size Tolerances - Rounds ..8-34 DCF Thickness and Width ..8-34 Thickness Tolerances - 4140 HRA and 8620 HR Flats ..8-35 Standard Manufacturing Cold Finished Bars ..8-358-2 Visit the Alro Web 150 150 stands for Elevated Temperature Drawing process. This eliminates heat treating and secondary operations such as straightening, finish grinding, cleaning and inspections. It can be roll threaded, knurled, and plated. 1/2 9/16 5/8 11/16 3/4 13/16 7/8 1 1-1/8 1-3/16 1-1/4 1-1/2 1-5/8 1-3/4 2 2-1/8 2-1/4 2-1/2 2-5/8 2-3/4 3 3-1/4 3-3/8 3-5/8 Size in InchesPounds per ftPounds per 12 ft Size in InchesPounds per ftPounds per 12 ft TYPICAL

3 ANALYSIS ETD 150 Carbon (C) .40 Min Manganese (Mn) .70 Silicon (Si) .15/.35 Chromium (Cr) .80 Molybdenum (Mo) .15/.25 MECHANICAL PROPERTIEST ensile Strength ..**150,000 psi MinYield Strength (.2% offset) ..130,000psi MinElongation ..10% (Mean)Reduction of Area ..37% (Mean)Machinability ..75% of 1212 Rockwell C Hardness ..**32 MinBrinell Hardness ..**302 Min*ETD 150 contains additives for improving machinability. These may be Tellurium, Selenium, Sulphur (.06 max), or others, separately or in combination.**In the event of disagreement between hardness and tensile strength, the tensile strength shall 150 ROUNDS8-3 aisi 4140/41L40 - ANNEALED This medium carbon alloy grade is widely used for many general purpose parts requiring high tensile strength and toughness. 4140 contains chromium and molybdenum as alloying elements and may be heat treated over a wide range to give the combined advantages of proper hardness, strength and ductility.

4 In conditions where localized hardness may be required, this Steel is readily flame or induction hardened. TYPICAL ANALYSIS aisi 4140/41L40 Carbon (C) .38/.43 Manganese (Mn) .75 Silicon (Si) .15/.30 Molybdenum (Mo) .15/.25 Chromium (Cr) .80 Phosphorus (P) .035 MAX Sulphur (S) .040 MAX *Lead .15/.35 FORGING (a) 2000-2200 F Start forging at (1100-1200 C) Do not forge below 1800 F (980 C)NORMALIZING (b) 1600-1650 F (871-899 C)ANNEALING (c) Temperature 1500-1550 F (816-843 C) Rate of cooling, max. per hour Typical annealed hardness, Brinell 212 HARDENING Rate of heating Slowly Preheat temperature Hardening temperature 1500-1550 F (816-843 C) Time at temperature, minutes Quenching medium 0 (I)WEAR RESISTANCE MediumTOUGHNESS Very HighRESISTANCE TO SOFTENING EFFECT OF ELEVATEDTEMPERATURE LowDEPTH OF HARDENING MediumMACHINABILITY MediumGRINDABILITY HighDISTORTION IN HEAT TREATING MediumSAFETY IN HARDENING LowRESISTANCE TO DECARBURIZATION Medium*Applies only to 4140 leaded alloy Steel (ALSO AVAILABLE IN DCF)Visit the Alro Web 4140 - ANNEALED FLATS AND SQUARES (Cut From Plate) Size (inches)Pounds(per ft.)

5 Size(inches)Pounds(per ft.)Size(inches)Pounds(per ft.)3/8 x 3/8 1/2 5/8 3/4 1 1 -1/4 1 -1/2 1 -3/4 2 2 -1/4 2 -1/2 2 -3/4 3 3 -1/2 4 6 x 1/2 5/8 3/4 1 1 -1/4 1 -1/2 1 -3/4 2 2 -1/4 2 -1/2 2 -3/4 3 3 -1/2 4 4 -1/2 5 6 7 8 10 12 16 20 24 x 5/8 3/4 1 1 -1/4 1 -1/2 1 -3/4 2 x 2 -1/4 2 -1/2 2 -3/4 3 3 -1/2 4 4 -1/2 5 6 8 10 12 16 20 24 x 3/4 1 1 -1/4 1 -1/2 1 -3/4 2 2 -1/4 2 -1/2 2 -3/4 3

6 3 -1/2 4 4 -1/2 5 6 8 10 12 16 20 24 x 1 1 -1/8 1 -1/4 1 -1/2 1 -3/4 2 2 -1/4 2 -1/2 2 -3/4 3 3 -1/2 x 4 4 -1/2 5 6 8 10 12 16 20 24 x 1 -1/4 1 -1/2 1 -3/4 2 2 -1/4 2 -1/2 2 -3/4 3 3 -1/2 4 4 -1/2 5 6 8 10 12 16 20 24 x 1 -1/2 2 2 -1/4 2 -1/2 2 -3/4 3 3 -1/2 4 4 -1/2 5 6 8 10 12 16 20 24 x 1 -3/4 Refer to pages 8-34 thru 8-35 for alloy tolerances. Sizes not listed above can be cut from plate.

7 Weights above include nominal oversize tolerance. Actual weights may (ALSO AVAILABLE IN DCF)Continued on next page 8-5 Refer to pages 8-34 thru 8-35 for alloy not listed above can be cut from plate. 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/8 2-1/4 2-3/8 2-1/2 2-5/8 2-3/4 2-7/8 3 3-1/8 4140 - ANNEALEDFLATS AND SQUARES (Cut From Plate) Size (inches)Pounds(per ft.)Size(inches)Pounds(per ft.)Size(inches)Pounds(per ft.)1-3/4 x 2 2 -1/2 3 4 4 -1/2 5 6 8 10 12 16 20 24 x 2 2 -1/4 2 -1/2 2 -3/4 3 3 -1/2 4 4 -1/2 5 6 8 9 10 12 16 20 24 x 2 -1/4 2 -1/2 x 2 -3/4 3 3 -1/2 4 4 -1/2 5 5 -1/2 6 8 10 12 16 20 24 x 2 -1/2 2 -3/4 3 3 -1/2 4 4 -1/2 5 5 -1/2 6 8 10 12 16 20 24 x 3 3 -1/2 4 4 -1/2 x 5 6 8 10 12 16 20 24 x 3 -1/2 4 4 -1/2 5

8 5 -1/2 6 8 10 12 16 20 24 4 x 4 4 -1/2 5 5 -1/2 6 8 10 12 16 20 24 (ALSO AVAILABLE IN DCF) aisi 4140 - ANNEALEDROUNDS Diameter (inches)Pounds(per ft.)Diameter(inches)Pounds(per ft.)Diameter(inches)Pounds(per ft.)HR(ALSO AVAILABLE IN DCF)8-6 Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 20'.*Sizes above 12" are 16-20' randoms, forged and 4140 - ANNEALEDROUNDS Diameter (inches)Pounds(per ft.)Diameter(inches)Pounds(per ft.)Diameter(inches)Pounds(per ft.)HR(ALSO AVAILABLE IN DCF) 3-1/4 3-3/8 3-1/2 3-5/8 3-3/4 4 4-1/4 4-1/2 4-3/4 5 5-1/4 5-1/2 5-3/4 6 6-1/4 6-1/2 6-3/4 7 7-1/4 7-1/2 7-3/4 8 8-1/4 8-1/2 8-3/4 9 9-1/4 9-1/2 9-3/4 10 10-1/2 11 11-1/2 12 12-1/2 13 13-1/2 14 14-1/2 15 15-1/2 16 17 18 19 20 22 24 SteelMetals Industrial Supplies Plastics Saw Cutting Production/Precision Sawing Precision Aluminum Plate Sawing Press Brake/Forming Thermal Processing Plasma Flame Cutting Waterjet Plate Laser Tube Laser Shearing GrindingAsk your Alro Sales Representative

9 About our Processing Services(888) 888-ALRO 2 5 7 6 us today and learn more about The Alro Difference! 8-7 aisi 4140 ROUNDSHR Q&T 3-3/4 4 4-1/4 4-1/2 4-3/4 5 5-1/4 5-1/2 5-3/4 6 6-1/4 6-1/2 6-3/4 7 7-1/4 7-1/2 7-3/4 8 8-1/4 8-1/2 9 9-1/2 10 10-1/2 11 11-1/2 12 13 13-1/2 14 14-1/2 15 15-1/2 16 18 20 22 23 24 26 Diameter (inches)Pounds(per ft.)

10 Diameter(inches)Pounds(per ft.)Diameter(inches)Pounds(per ft.) 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/8 2-1/4 2-3/8 2-1/2 2-5/8 2-3/4 2-7/8 3 3-1/4 3-1/2 Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 20' randoms Bars over 10-1/2" diameter are forged.(HOT ROLLED, QUENCHED AND TEMPERED) 4140 HR Q&T is a general purpose alloy with good hardness penetration, strength, toughness, and ductility. Sizes thru 7" comply with the chemical and mechanical properties of ASTM-A193-B7. Sizes over 7" to 9-1/2" conform to ASTM A434. TYPICAL ANALYSIS aisi 4140 Carbon (C).


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