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Categories：Steel Bars
Model No.:ASTM 1030/S30c
Size: 10-350mm.
Length: as your request.
Delivery condition: hot rolled/cold drawn....
Surface: black/peeled/polished/grinding....
ASTM 1030 / JIS S30c Cold Drawn Carbon Steel Bar
INTRODUCTION
AISI 1030 is a high-carbon steel containing approximately 0.30% carbon that can be hardened by heat treatment to a maximum hardness of approximately Rockwell C 50. Soft annealed high carbon steel is intended for applications requiring moderate forming, while soft spheroidized annealed product is intended for applications requiring maximum cold forming. The soft spheroidized annealed product is processed to give the lowest hardness for maximum formability.
Applications of AISI 1030 Steel
This grade of steel is used for machinery parts, brackets, brakes, clips, clutches, springs, washers and for a wide range of applications that can make use of its good combination of mechanical properties.
-Dimension: Diameter 4-1600 mm, any length below 16 meters
-Delivery Conditions:
Cold drawn: 4-100 mm
Peeled: 30-160 mm
Grinded: 4- 600 mm
Turned: 130-1200 mm
Hot rolled: 12-320 mm
Hot forged: 130-1600 mm
-EAF+(ESR) or EAF+LF+VD+(ESR)
-HOT rolled; Cold rolled; Forged; Cold Drawn
-Heat Treatment: Untreated, Annealing, N+T, Q+T
-Smelting: EAF+LF+VD (+ESR)
-Surface Finish: Black, Rough Machined, Peeled, Turned or upon request
-UT 100% passed
-Cutting service provided
-Third Party inspection is acceptable (SGS, BV etc.)
Standard
ASTM A213; ASTM A335; ASTM A519; ASTM A106; ASTM A29; JIS G3462; JIS G3458; JIS G3444; JIS G4053; DIN17175; DIN1629; DIN2391; GB/9948, GB/6479; GB/T8162; GB/T8163; GB/T 3077; EN 10297; EN 10084; EN 10083; ISO 683/11; IOS 683/10; IOS 683/1; etc.
Equivalent grades of steel AISI 1030
| ASTM A29/M | BS | JIS | China GB | Inter ISO |
| 1030 | 060A30 | S30C | 30 | C30E4 |
Chemical Requirements, Composition, %
| Grade | Carbon | Manganese | Phosphorus | Sulfur | Silicon |
| AISI 1030 | 0.28–0.34 | 0.60–0.90 | 0.040 max | 0.050 max | 0.10 max |
Mechanical properties
| Standard | Steel Grade | Yield strength MPa (>=) | Tensile strength MPa (>=) | Elongation % (>=) | Reduction of area % (>=) | Hardness HB |
| ASTM A29 | 1030 | 440 | 524 | 12 | 35 | 149 |
Quality Assurance
Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET
PROCESSING
Machinability
The machinability rating of AISI 1030 carbon steel is 70.
Forming
The formability of AISI 1030 carbon steel in the annealed condition is good.
Welding
AISI 1030 carbon steel can be welded by all welding methods. It is advisable to pre-heat the heavy sections of this steel at 149 to 260°C (300 to 500°F) and then post-heat at 593 to 649°C (1100 to 1200°F) for welding.
Heat Treatment
AISI 1030 carbon steel is heat treated at 816 to 871°C (1500 to 1600°F) and quenched in water. This process is followed by a tempering treatment.
Forging
AISI 1030 carbon steel is forged at 982 to 1260°C (1800 to 2300°F).
Hot Working
Hot working of AISI 1030 carbon steel is performed at 93 to 482°C (200 to 900°F).
Cold Working
In the annealed condition, cold working of AISI 1030 steel may be performed by conventional methods. After annealing, a full or stress relief anneal may be required.
Annealing
Annealing of AISI 1030 carbon steel is carried out at 871 to 982°C (1600 to 1800°F) and then slow cooled in the furnace. Stress relief annealing may be carried out at 538°C (1000°F).
Hardening
AISI 1030 carbon steel is hardened by heat treatment or cold working.
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