Our merchandise are broadly identified and trusted by end users and can satisfy continually developing economic and social requires for AISI 4040/4142 quenched and tempered. Chemical composition: C: 0.37 ~0.49; Si: 0.15~0.35; Mn：0.65～1.10; S: ≤0.035; P: ≤0.035; Cr：0.75～1.20; Mo: 0.15～0.25 Thread sizes: M16~M56 Thread screw: Cold threa, , , , Welcome to make contact with us if you're fascinated inside our product, we are going to provide you with a surprice for Qulity and Value. Every member from our high efficiency sales team values customers' needs and business communication for AISI 4040/4142 quenched and tempered. Chemical composition: C: 0.37 ~0.49; Si: 0.15~0.35; Mn：0.65～1.10; S: ≤0.035; P: ≤0.035; Cr：0.75～1.20; Mo: 0.15～0.25 Thread sizes: M16~M56 Thread screw: Cold threa, At Present, our products have been exported to more than sixty countries and different regions, such as Southeast Asia, America, Africa, Eastern Europe, Russia, Canada etc. We sincerely hope to establish wide contact with all potential customers both in China and the rest part of the world.
