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1020 , AISI 1020 Low-(Mild)-Carbon Steel

Publisher:TianchengTime:2018-06-29Number:61

1020 , AISI 1020 Low-(Mild)-Carbon Steel

Description

1020 steel responds well to cold work and heat treating. Weldability is fair.
1020 is suitable for case hardened parts where core strength is not critical.
May also be know as LCS "low carbon steel" 1020 is no longer a stocked industry standard grade, may time A-36 and 1018 are substituted for 1020, both having low carbon contents. 

SAE 1020
Chemical composition: C=0.20%, Mn=0.45%, P=0.04% max, S=0.05% max
PropertyValue in metric unitValue in US unit
Density7.872 *10³kg/m³491.4lb/ft³
Modulus of elasticity200GPa29000ksi
Thermal expansion (20 ºC)11.9*10-6ºCˉ¹6.61*10-6in/(in* ºF)
Specific heat capacity486J/(kg*K)0.116BTU/(lb*ºF)
Thermal conductivity51.9W/(m*K)360BTU*in/(hr*ft²*ºF)
Electric resistivity1.59*10-7Ohm*m1.59*10-5Ohm*cm
Tensile strength (hot rolled)380MPa55100psi
Yield strength (hot rolled)165MPa29700psi
Elongation (hot rolled)25%25%
Hardness (hot rolled)66RB66RB
Tensile strength (cold drawn)420MPa60900psi
Yield strength (cold drawn)205MPa50800psi
Elongation (cold drawn)15%15%
Hardness (cold drawn)73RB73RB

Applications

Shafts, lightly stressed gears, hard wearing surfaces, pins, chains and case hardened parts where core strength is not critical.

Specifications

UNS# G10200 1020, M1020, CS1020, MT1020, CARBON STEEL C .018 - 0.23
AMS 5032F (1020) STEEL WIRE 
AMS 5045G (1020) STEEL, SHEET & STRIP 
AMS 5046A (1020) CARBON STEEL, SHEET, STRIP & PLATE
ASTM A-108 STANDARD QUALITY , COLD FINISHED , CARBON STEEL BARS 
ASTM A-29 GENERAL REQUIREMENTS FOR CARBON & ALLOY BARS, WROUGHT & COLD-FINISHED
ASTM A-510 GENERAL REQUIREMENTS FOR WIRE RODS & COURSE ROUND WIRE, CARBON STEEL 
ASTM A-512 COLD-DRAWN BUTTWELD CARBON STEEL MECHANICAL TUBING 
ASTM A-513 ELECTRIC-RESISTANT-WELDED CARBON & ALLOY TUBING
ASTM A-519 SEAMLESS CARBON & ALLOY MECHANICAL TUBING
ASTM A-544 SPEC. FOR CARBON STEEL WIRE, SCRAPLESS NUT QUALITY
ASTM A-575 MERCHANT QUALITY, M-GRADES, CARBON STEEL BARS 
ASTM A-576 HOT-WROUGHT, SPECIAL QUALITY CARBON STEEL BARS
ASTM A-635 SHEET & STRIP, HEAVY-THICKNESS COILS, HOT-ROLLED
ASTM A-659 SPEC. HOT-ROLLED SHEET & STRIP, COMMERCIAL QUALITY (CARBON:0.16-0.25 MAX %)
ASTM A-711 STANDARD SPEC. FOR STEEL FORGING STOCK
ASTM A-787 ELECTRIC-RESISTANT-WELDED METALLIC-COATED CARBON STEEL MECHANICAL TUBING
ASTM A-794 COLD-ROLLED SHEET, COMMERCIAL QUALITY (CARBON: 0.16-0.25% MAX)
ASTM A-827 CARBON STEEL PLATES FOR FORGINGS & SIMILAR APPLICATIONS
ASTM A-830 CHEMICAL COMPOSITION REQUIREMENTS FOR STRUCTURAL QUALITY PLATES 
MIL-S-11310E (CS1020) STEEL BARS, CARBON, HOT-ROLLED, FOR SHAPING INCLUDING COLD EXTRUSION
MIL-S-16788A STEEL, CARBON, HOT-ROLLED OR FORGED (BLOOMS, BILLETS, & SLABS FOR REFORGING) 
MIL-S-7952A (CS1020) STEEL, SHEET & STRIP, UNCOATED, CARBON (1020 & 1025) (AIRCRAFT QUALITY)
MIL-T-3520C TUBING STEEL (LOW-CARBON) MECHANICAL ROUND
QQ-S-630A STEEL BAR, CARBON, HOT ROLLED (MERCHANT QUALITY) 
QQ-S-631 STEEL BARS, CARBON, HOT-ROLLED (SPECAIL QUALITY) 
QQ-S-633A STEEL BARS, CARBON, COLD-FINISHED & HOT ROLLED (GENERAL PURPOSE)
QQ-S-634 STEEL BAR, CARBON, COLD-FINISHED (STANDARD QUALITY) 
QQ-S-00640 STEEL, CARBON, SHEET AND STRIP
QQ-S-698 STEEL, SHEET & STRIP, LOW CARBON 
QQ-W-461H WIRE, STEEL, CARBON (ROUND, BARE, & COATED)
SAE J1397 ESTIMATED MECHANICAL PROPERTIES & MACHINABILITY OF STEEL BARS
SAE J403 CHEMICAL COMPOSITIONS OF SAE CARBON STEELS
SAE J412 GENERAL CHARACTERISTICS & HEAT TREATMENTS OF STEELS GENERAL CHARACTERISTICS & HEAT TREATMENTS OF STEELS

Available Forms

  • Angles

  • Bar

  • Channels

  • Forge

  • Plate

  • Rectangle Tubes

  • Rolled Rings

  • Sheet

  • Square Bar

  • Tees

  • Tubes

  • Wire

  • Zees


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