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1074 / 1075 High Carbon Steel “Blue Temper / Spring Steel”

Publisher:TianchengTime:2018-06-29Number:81

1074 / 1075 High Carbon Steel “Blue Temper / Spring Steel”

Description

1074/1075 C .69/.80 Mn .40/.80 P .020 max S .025 Max Si .15/.30

Available in either Rc 50 Spring Temper or in custom-hardened and tempered condition up to Rc 62, AISI 1095 or 1075 carbon steel is a good, economical material choice where corrosion is not expected to be a problem, and where material is a significant component of total blade cost (as is the case with large, thick blades, or when production quantities are quite high). 1095 or 1075 carbon steel is also a good candidate on blades that need to be selectively hardened by induction heating.

Applications

Blades, Clips, brackets, brake discs, clutches, springs, washers, wear strips
A steel frequently used for larger blades and swords, 1075 is tough, durable, and hypo-eutectic.

Specifications

UNS# G10740 1074, C1074 HIGH CARBON STEEL 
UNS# G10750 1075, C1075 HIGH CARBON STEEL 
AMS 5120J ( 1074) STEEL STRIP 
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-682 STRIP, HIGH-CARBON, COLD-ROLLED, SPRING QUALITY, GENERAL REQUIREMENTS
ASTM A-711 STANDARD SPEC. FOR STEEL FORGING STOCK
ASTM A-713 WIRE, HIGH-CARBON SPRING, FOR HEAT TREATED COMPONENTS
ASTM A-830 CHEMICAL COMPOSITION REQUIREMENTS FOR STRUCTURAL QUALITY PLATES 
MIL-S-46049C STRIP, METAL, CARBON STEEL, COLD ROLLED, HARDENED & TEMPERED SPRING QUALITY
QQ-S-00640 STEEL, CARBON, SHEET AND STRIP
QQ-S-700D STEEL SHEET & STRIP, MEDIUM & HIGH CARBON
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

  • Coil

  • Plate

  • Rectangle Bar

  • Sheet

  • Strip

  • Wire

SAE 1070
Chemical composition: C=0.70%, Mn=0.75%, P=0.04% max, S=0.05% max
PropertyValue in metric unitValue in US unit
Density7.872 *10³kg/m³491.4lb/ft³
Modulus of elasticity201GPa29200ksi
Thermal expansion (20 ºC)12.1*10-6ºCˉ¹6.72*10-6in/(in* ºF)
Specific heat capacity490J/(kg*K)0.117BTU/(lb*ºF)
Thermal conductivity51.2W/(m*K)355BTU*in/(hr*ft²*ºF)
Electric resistivity1.68*10-7Ohm*m1.68*10-5Ohm*cm
Tensile strength(cold drawn and annealed)640MPa92800psi
Yield strength(cold drawn and annealed)495MPa71800psi
Elongation(cold drawn and annealed)10%10%
Hardness(cold drawn and annealed)91RB91RB
Tensile strength (hot rolled)703MPa102000psi
Yield strength (hot rolled)385MPa55800psi
Elongation (hot rolled)12%12%
Hardness (hot rolled)94RB94RB


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