AISI 1040 SAE UNS G10400 Carbon Steel Foundry
China’s steel foundry produces AISI 1040 SAE UNS G10400 carbon steel castings. The following is the material’s chemical composition, physical and mechanical properties and equivalent material grades.
|Sulfur, S||≤ 0.050|
|Phosphorous, P||≤ 0.040|
|Density (chemical composition of 0.435% C, 0.69% Mn, 0.20% Si, annealed at 860°C (1580°F))||7.845 g/cc||0.2834 lb/in³|
|Tensile strength||620 MPa||89900 psi|
|Yield strength||415 MPa||60200 psi|
|Bulk modulus (typical for steels)||140 GPa||20300 ksi|
|Shear modulus (typical for steels)||80 GPa||11600 ksi|
|Elastic modulus||190-210 GPa||27557-30458 ksi|
|Elongation at break (in 50 mm)||25%||25%|
|Reduction of area||50%||50%|
|Hardness, Knoop (converted from Brinell hardness)||223||223|
|Hardness, Rockwell B (converted from Brinell hardness)||93||93|
|Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only)||13||13|
|Hardness, Vickers (converted from Brinell hardness)||211||211|
|Izod impact (annealed at 790°C (1450°F))||45 J||33.2 ft-lb|
|Izod impact (as rolled)||49 J||36.1 ft-lb|
|Izod impact (normalized at 900°C (1650°F)||65 J||47.9 ft-lb|
|Thermal expansion co-efficient (@ 20-100°C/68-212°F, composition of 0.40% C, 0.11% Mn, 0.01% P, 0.03% S, 0.03% Si, 0.03% Cu)||11.3 µm/m°C||6.28 µin/in°F|
|Thermal conductivity (@ 100°C/212°F)||50.7 W/mK||352 BTU in/hr.ft².°F|
|Thermal conductivity (@ 0°C)||51.9 W/mK||360 BTU in/hr.ft².°F|
Other designations that are equivalent to AISI 1040 carbon steel include: ASTM A29 (1040), ASTM A510 (1040), ASTM A513, ASTM A519 (1040), ASTM A546 (1040), ASTM A576 (1040), ASTM A682 (1040), ASTM A827, ASTM A830, MIL S-11310 (CS 1040), MIL S-16788, MIL S-46070, SAE J1397 (1040), SAE J403 (1040), SAE J412 (1040)
Fabrication and Heat Treatment
The cutting performance grade of AISI 1040 carbon steel is 60.
AISI 1040 carbon steel can be formed under annealing conditions.
AISI 1040 carbon steel can be welded using all welding techniques. Due to its high carbon content, it can be preheated at a temperature of 149 to 260°C (300 to 500°F) and heated at a temperature of 594 to 649°C (1100 to 1200°F).
- Heat treatment
AISI 1040 carbon steel can be heat treated at 844 to 899°C (1550 to 1650°F), then quenched and tempered in water.
AISI 1040 carbon steel can be forged at a temperature of 982 to 1260°C (1800 to 2300°F).
- Thermal processing
AISI 1040 carbon steel can be hot processed at a temperature of 94 to 483°C (200 to 900°F).
- Cold working
AISI 1040 carbon steel can be cold worked in an annealed state using conventional methods.
AISI 1040 carbon steel can be annealed at a temperature of 872 to 983°C (1600 to 1800°F). It can then be slowly cooled in the furnace. The stress relief annealing process can be performed at a temperature of approximately 594°C (1100°F). Normalized treatment can also be performed at 899°C (1650°F) and then slowly cooled.
AISI 1040 carbon steel can be tempered at a temperature of 316 to 705°C (600 to 1300°F) depending on the required strength.
AISI 1040 carbon steel can be hardened by cold work.
Applications of carbon steel casting
AISI 1040 carbon steel can be used for couplings, crankshafts and cold head parts.
Yide Casting is known as a professional steel foundry in China, has rich casting experience in casting and machining, we are committed to producing quality but competitive price casting steel parts for our customers, all of our casting parts have been marked as “JM”, we want to develop Yide casting, JM casting into the world, if you are looking for a steel foundry, please don’t hesitate to contact us, send us your drawing file, we’d like to serve you and provide best casting iron products.