Products details
Aotian Grade 10B21 CHQ Wire is a SAE-standard low-carbon boron steel cold-heading wire, produced via HD/SAIP spheroidized annealing and phosphate coating in diameters 0.8–32mm. With trace boron for improved hardenability, it offers excellent cold formability, low cracking risk, and stable Class 8.8 strength after heat treatment. Ideal for Class 8.8 bolts, screws and fasteners in automotive and machinery, it delivers consistent quality and reliable delivery.
Quality Control
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 adopt the high purity nitrogen protection method, which can do the quick heat conduction,even heating and high productivity .After annealing, the hardness and tensile strength are steady,organization spheroidizing rate is high and grain size is uniform and without oxidation and decarburization,the surface of wire is smooth.
We use the phosphoric acid and soap lubricant from Taiwan. In the production line, we use the timer to control the soaking time of each pharmaceutical pool.
Packing & Delivery
Packing Details : We have different ways of package for customers choose
Delivery Details: One 20 feet container among 20 days
Why choose us?
(1)Stable and traceable raw material suppling lines
(2)Many years manufacturing and exporting experience
(3)Controllable delivery time
(4)Flexible payment term
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