AISI 1021
AISI 1021 properties and heat treatment forged piece, Including AISI 1021 application and specifications, We have all specifications，Including AISI 1021 steel plate, AISI 1021 sheet, AISI 1021 square steel, AISI 1021 flat bar,AISI 1021 round bar,AISI 1021 forgings, we can own production and sales.
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forged/hot rolling/ extrusion of steel
We can produce the AISI 1021 has the following specifications:
Round bar steel: 1mm to 3000mm
Square-shape steel: 1mm to 2000mm
Plate steel:0.1mm to 2500mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
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Chemical composition % of the ladle analysis of grade AISI 1021 and Standards
| Category | steel |
| Class | Carbon steel |
| Type | Standard |
| Designations | United States: ASTM A29 , ASTM A510 , ASTM A519 , ASTM A545 , ASTM A548 , ASTM A576 , ASTM A659 , SAE J403 , SAE J412 , SAE J414 , UNS G10210 |
| Element | Weight % |
| C | 0.18-0.23 |
| Mn | 0.60-0.90 |
| P | 0.04 (max) |
| S | 0.05 (max) |
Mechanical Properties
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.858 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 470 | 25 | cold drawn (round bar (19-32 mm)) more |
| Yield Strength (Mpa) | 395 | ||
| Elongation (%) | 15 | ||
| Reduction in Area (%) | 40 | ||
| Hardness (HB) | 121 | 25 | cold drawn (round bar (19-32 mm)) more |
Machining performance
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Principal Design Features
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.