CHQ steel wire 10B21 produced by Wuxi Aotian ,usually used for grade 8.8 bolts.
| Grade | Chemical Composition (%) | ||||||||
| C | Si | Mn | P | S | Al | B | Ti | Cr | |
| 10B21 | 0.18~0.23 | ≤0.10 | 0.70~1.00 | ≤0.030 | ≤0.035 | - | ≥0.0005 | - | - |
Technical Process
SAIP Process: Wire Rod-Pickling and Coating-Drawing-Spheroidized Annealing-Pickling and Coating- Skin Pass-Finished Product
We have advanced inspection equipments so that to carry things out strictly according to the IQC,IPQC and OQC process. Also, our technical staff will record all data of mechanical properties for the finished wire and make quality guarantee certificate to customers. That's our commitment to the quality of our products.
We also supply CHQ wire rods of the following grades:
CHIT, SWCH6A, SWCH8A, SWCH10A, SWCH12A, SWCH15A, SWCH18A, SWCH22A, SWCH25K, SWCH35K, SWCH45K, 40ACR, SCM415, SCM420, SCM435, SCM440, SCR440, SAE1006, SAE1008, SAE1010, SAE1018, SAE1022, SAE1035, SAE1045, SAE10B21, SAE10B33, SAE10B35, SAE10B38, ML08AL, ML40CR, ML20CR, ML35CR ML20MNTIB, 15B25 , 50BV30 and so on.
Range of Production: 0.8mm~32.0mm
Our Equipments
Wire Drawing Equipments:
Handstand drawing machines Range of Production : 5.5mm - 32mm Inner Diameter of Coil: 800mm, 900mm, 1100mm
High speed drawing machine Range of Production : 2.0mm - 6.0mm Inner Diameter of Coil: 600mm
Water tank drawing machine Range of Production : 2.0mm - 6.0mm Inner Diameter of Coil: 600mm
Drawing machine for small sizes Range of Production :≤2.0mm Inner Diameter of Coil: 350mm
Spheroidized Annealing Equipments: protectional spheroidized annealing furnaces from Taiwan
Quality Assurance
1,Strict contract auditing invloved all departments to assure the feasibility of each order.
2,Process design and validation before bulk production.
3,Strictly control on all raw materials.
4,On-site inspection to all processes, inspection record keep traceable for 3 years.
5,100% inspection of finished sprouts before shipment.
6,Advanced and complete testing and inspection equipment: NDT, metal Microscope, impact tester, hardness tester...
7,Regular training for inspection staff
Contact us:
Sales Manager: Lin
Mobile: +86-18061512788
Wechat No.: Linlu199166
E-mail: overseatrade@aotianwire.com
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