Metallic material
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Metallic material
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Integrity | Efficiency
This paragraph describes a product known as hot rolled pickled steel strip for wheels. This steel strip is produced using a controlled rolling and cooling process and is microalloyed with low levels of carbon. It possesses exceptional cold formability and weldability, making it highly suitable for use in the production of rims and spokes for automobile wheels.
| Grade | Chemical composition% | |||
| C | Si | Mn | Nb+Ti | |
B450CL | ≤0.10 | ≤0.50 | ≤1.50 | ≤0.10 |
B500CL | ≤0.10 | ≤0.50 | ≤1.50 | ≤0.10 |
B550CL | ≤0.10 | ≤0.50 | ≤1.50 | ≤0.10 |
B600CL | ≤0.10 | ≤0.50 | ≤2.50 | ≤0.20 |
B650CL | ≤0.10 | ≤0.50 | ≤2.50 | ≤0.20 |
| Grade | Mechanical properties | ||
| YS(MPa) | TS(MPa) | EL% | |
B450CL | ≥320 | 450-550 | ≥28 |
B500CL | ≥400 | 500-600 | ≥26 |
B550CL | ≥450 | 550-650 | ≥24 |
B600CL | ≥500 | 600-700 | ≥22 |
B650CL | ≥550 | 650-750 | ≥20 |
The hot rolled dual phase pickled steel strip is a product that is produced using cutting-edge controlled rolling and cooling technology. This steel strip consists of mainly ferrite and martensite in its microstructure. It boasts of a low yield ratio, a high work hardening rate, and an exceptional fatigue property, making it highly suitable for the manufacture of automobile components and reinforcements with complex shapes such as car wheel spokes, longitudinal beams, B pillars, and more. Additionally, this steel strip exhibits excellent cold formability.
| Grade | Chemical composition% | |||||
| C | Si | Mn | P | S | Al | |
BR330/580DP | ≤0.10 | ≤1.5 | ≤1.5 | ≤0.025 | ≤0.010 | ≥0.015 |
BR450/780DP | ≤0.10 | ≤1.5 | ≤1.5 | ≤0.025 | ≤0.010 | ≥0.015 |
| Grade | Mechanical properties | ||
| YS(MPa) | TS(MPa) | EL% | |
BR330/580DP | 330-470 | ≥580 | ≥19 |
BR450/780DP | 450-610 | ≥780 | ≥14 |
The hot rolled pickled steel strip for high reaming is a product that is manufactured using advanced controlled rolling and cooling technology. This steel strip possesses exceptional formability and welding performance, and a high reaming rate. It finds wide application in the production of automobile parts that require flanging deformation, such as swing arms, wheels, and more.
| Grade | Chemical composition% | |||||||
| C | Si | Mn | P | S | Als | Cu | B | |
SAPH440SF | ≤0.10 | ≤1.00 | ≤1.50 | ≤0.020 | ≤0.010 | ≤0.010 | ≤0.40 | ≤0.006 |
SAPH540SF | ≤0.10 | ≤1.50 | ≤1.80 | ≤0.020 | ≤0.010 | ≤0.010 | ≤0.20 | – |
SAPH590SF | ≤0.10 | ≤1.50 | ≤2.20 | ≤0.020 | ≤0.010 | ≤0.010 | ≤0.20 | – |
SAPH780SF | ≤0.10 | ≤1.50 | ≤2.20 | ≤0.020 | ≤0.010 | ≤0.010 | ≤0.20 | – |
| Grade | Mechanical properties | ||
| YS(MPa) | TS(MPa) | EL% | |
SAPH440SF | ≥440 | ≥305 | ≥30 |
SAPH540SF | ≥540 | ≥355 | ≥22 |
SAPH590SF | ≥590 | ≥420 | ≥20 |
SAPH780SF | ≥780 | ≥680 | ≥14 |
The hot formed hot rolled pickled steel strip is a product that is made of metal that experiences rapid ductility enhancement when exposed to high temperatures in the austenitic zone. The stamping process is carried out using a die, and the stamped parts are quickly cooled (quenched) within the die. This process results in stamping parts that exhibit exceptional strength of over 1200MPa. This product finds typical application in the manufacture of automobile components such as B-pillars, door bumpers, and bumpers, among others.
| Grade | Chemical composition% | |||
| C | Si | Mn | Nb+Ti | |
BR1200HS | ≤0.3 | ≤2.2 | ≤2.5 | ≤0.10 |
BR1500HS | ≤0.3 | ≤2.2 | ≤2.5 | ≤0.10 |
| Grade | Mechanical properties | ||
| YS(MPa) | TS(MPa) | EL% | |
BR1200HS | ≥280 | ≤700 | ≥18 |
BR1500HS | ≥320 | ≤800 | ≥18 |
The multiphase hot rolled and pickled automobile steel strip is a product that is manufactured using advanced smelting and rolling technologies. Its structure is made up of ferrite, bainite, martensite, and precipitation, with fine grains, high strength, and excellent formability. This product finds wide application in the manufacture of automobile components such as trailing arms, torsion beams, door reinforcements, longitudinal beams, and impact-resistant safety parts.
| Grade | Chemical composition% | ||||||||
| C | Si | Mn | P | S | Alt | Cr+Mo | Nb+Ti | V | |
CP800 | ≤0.18 | ≤0.8 | ≤2.2 | ≤0.08 | ≤0.015 | ≤2.0 | ≤1.0 | ≤0.15 | ≤0.20 |
| Grade | Mechanical properties | ||
| YS(MPa) | TS(MPa) | EL% | |
CP800 | 680-830 | ≥780 | ≥10 |
The green and environment-friendly hot rolled dual phase pickled automobile thin steel strip is a product that comprises fine ferrite and martensite. It exhibits excellent features such as high strength, low yield strength ratio, good plasticity, good formability, and certain BH properties. This product finds typical application in the production of automobile body structures, reinforcements, various stamping parts, anti-collision beams, longitudinal beams, and other safety parts.
| Grade | Chemical composition% | ||||||
| C | Si | Mn | P | S | Cr | Al | |
HR340/590DP | ≤0.12 | ≤0.60 | ≤1.70 | ≤0.10 | ≤0.010 | ≤1.20 | ≥0.015 |
HR420/780DP | ≤0.12 | ≤1.00 | ≤2.20 | ≤0.06 | ≤0.010 | ≤1.00 | ≥0.015 |
HR500/780DP | ≤0.12 | ≤1.00 | ≤2.20 | ≤0.06 | ≤0.010 | ≤1.00 | ≥0.015 |
| Grade | Mechanical properties | ||
| YS(MPa) | TS(MPa) | EL% | |
HR340/590DP | 340-460 | ≥590 | ≥23 |
HR420/780DP | 420-560 | ≥780 | ≥13 |
HR500/780DP | 500-650 | ≥780 | ≥11 |
The nano precipitation pickling steel strip is a product that is produced using advanced smelting and rolling technologies. It consists of ferrite and fine nano precipitation phase (≤ 10nm) in ferrite crystals. This steel strip is characterized by a fine structure, uniform performance, good surface quality, excellent coating performance, high strength, good plasticity, and formability. Moreover, this product exhibits remarkable performance stability even after tempering at high temperatures (≤ 650 ° C). It finds typical application in the production of chassis parts, wheels, various stamping parts, and more.
| Grade | Chemical composition% | |||||||
| C | Si | Mn | P | S | Al | Ti | Mo | |
B780NP | ≤0.10 | ≤0.20 | ≤2.00 | ≤0.03 | ≤0.015 | ≥0.015 | ≤0.15 | ≤0.4 |
| Grade | Mechanical properties | ||
| YS(MPa) | TS(MPa) | EL% | |
B780NP | 680-830 | ≥780 | ≥17 |
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