ThePipingMart Blog Grades SAE/AISI 1070 Carbon Steel (UNS G10700) – Composition, Properties, Uses

SAE/AISI 1070 Carbon Steel (UNS G10700) – Composition, Properties, Uses

SAE/AISI 1070 Steel

SAE/AISI 1070 steel is a medium-carbon, low-alloy steel that is known for its excellent strength and wears resistance. UNS G10700 has been used in many applications, ranging from automotive parts to machine components. AISI 1070 Carbon Steel, also known as UNS G10700, is a metal alloy renowned for its strength and resilience. This steel contains high levels of carbon, making it a popular choice for applications that require rigidity and durability. When it comes to SAE 1070 chemical composition, this steel typically includes around 0.70% to 0.80% carbon, as well as other elements like manganese, phosphorus, and sulfur. The unique mix of materials used in AISI 1070 Carbon Steel gives it excellent thermal conductivity, making it useful in applications where heat transfer is important. Additionally, its high tensile strength ensures that it can withstand even the most demanding conditions. Overall, AISI 1070 Carbon Steel is an excellent choice for those looking for a strong, sturdy material that can handle challenging environments and applications. This article will explore the different uses of 1070 Carbon Steel material, as well as its corrosion resistance, heat treatment, machining, and welding capabilities.

What Forms of AISI 1070 is Available at Piping Mart?

  • Nut
  • Bar
  • Bolt
  • Pipe
  • Screw
  • Tubing
  • Valves
  • Washers
  • Flanges
  • Fasteners
  • Electrodes
  • Stud Bolts
  • Sheet Plates
  • Pipe Fittings
  • Forged Fitting
  • Instrumentation Fittings

AISI 1070 Composition

Element Content (%)
Iron, Fe ~ 98
Carbon, C 0.65 – 0.75
Manganese, Mn 0.60 – 0.90
Sulfur, S 0.050 (max)
Phosphorous, P 0.04 (max)

AISI 1070 Physical Properties

Properties Metric Imperial
Density 7.7-8.03 g/cm3 0.278-0.290 lb/in³

AISI 1070 Mechanical Properties

Properties Metric Imperial
Elastic modulus 190-210 GPa 29700-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30

AISI 1070 Thermal Properties

Properties Conditions
T (ºC) Treatment
Thermal expansion co-efficient 11.8 x (10-6/ ºC) 0 – 100

AISI 1070 Equivalent

  • AMS 5115
  • AMS 5115C
  • ASTM A29 (1070)
  • ASTM A510 (1070)
  • ASTM A576 (1070)
  • ASTM A682 (1070)
  • ASTM A713 (1070)
  • ASTM A830
  • MIL S-11713
  • MIL S-12504
  • SAE J1397 (1070)
  • SAE J403 (1070)
  • SAE J412 (1070)
  • DIN 1.1231
  • SS 1770
  • SS 1778
  • AFNOR XC 68

AISI 1070 Uses

The SAE / AISI 1070 steel alloy has a wide range of industrial uses due to its malleability, strength and corrosion resistance. Its strength-to-weight ratio makes it an ideal material for large structurally important components, such as automotive springs and suspension parts. It is used in these industries because it can withstand large amounts of stress without deforming or failing. Moreover, SAE / AISI 1070 steel is often utilized in components which must function while exposed to harsh temperatures, such as jet engine turbine blades and rocket engine nozzles. Other applications include aircraft landing gear parts, shipbuilding pins and bushings, engineering blades and gaskets used in pipeline oil production.

AISI 1070 Uses in Industries

Automotive Industry

AISI 1070 steel is commonly used in the automotive industry due to its high strength and wear resistance. It is often used to manufacture suspension components, such as leaf springs, coil springs, and stabilizer bars. Additionally, it can be found in engine parts and transmission components.

Construction Industry

AISI 1070 steel is commonly used in the construction industry for structural support beams, reinforcing bars, and other load-bearing components. Its high strength-to-weight ratio makes it a cost-effective choice for building materials while providing the necessary structural support.

Manufacturing Equipment

Manufacturing equipment requires strong materials that can withstand heavy loads and repetitive use. Due to its high strength and wear resistance, AISI 1070 steel is often used to produce machinery parts such as gears, shafts, and bearings.

Aerospace Industry

AISI 1070 is also utilized in the aerospace industry for its high strength-to-weight ratio and fatigue resistance. It can be found in aircraft landing gear components, engine parts, and other critical structures that require strong yet lightweight materials.

Oil & Gas Industry

In the oil and gas industry, AISI 1070 steel is commonly used for drilling equipment such as drill bits and pipes due to its ability to withstand high temperatures and pressure. It is also used in pipelines for its corrosion resistance properties.

AISI 1070 Corrosion Resistance

SAE/AISI 1070 steel has excellent corrosion resistance due to its high chromium content (up to 11%). This makes it ideal for applications requiring good corrosion protection, such as outdoor furniture or vehicle components. Additionally, the addition of molybdenum provides additional protection against corrosion compared to other steels with similar levels of chromium.

AISI 1070 Heat Treatment

SAE/AISI 1070 steel can be heat treated to achieve a wide range of mechanical properties. Heat treatment can be used to increase strength and hardness while decreasing ductility. It is important to note that depending on the application, different heat treatments may be required in order to achieve desired results.

AISI 1070 Heat Resistance

SAE/AISI 1070 steel is a great option for anyone looking for a heat-resistant material that also has excellent weldability. This type of steel combines a variety of desirable features, making it highly sought after. Although the heat resistance isn’t as high as some other metals, SAE/AISI 1070 still provides an impressive capability and can handle temperatures up to 200 Celsius comfortably. Its ability to tolerate aliphatic hydrocarbons at higher temperatures is especially beneficial and often makes SAE/AISI 1070 the preferred choice over more expensive alternatives.

AISI 1070 Machining

SAE/AISI 1070 steel is relatively easy to machine and weld due to its low carbon content and lack of alloying elements. The material can be easily machined using standard cutting tools such as drills and taps.

AISI 1070 Welding

Similarly, welding is possible using any conventional welding method, such as MIG or TIG welding. However, it is important to note that pre-heating and post-weld heat treatments may be necessary in order to achieve desired results from welding operations.


In summary, SAE/AISI 1070 steel is an excellent choice for many applications due to its exceptional combination of strength, wear resistance and corrosion protection. Its ease of machining and welding makes it highly versatile for use in a wide range of projects. Additionally, its ability to be heat treated allows for further customization depending on the specific requirements of each project. All these factors combine together, making it one of the most popular steels available today.

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