CSI is an API/ISO Certified, family owned and operated, stocking steel distributor located in Houston, TX but serving customer worldwide. Established in 1982, Cromdane' s modus operandi has been a quality first steel supplier of raw, rough machined, turnkey custom forgings, forged round & square bar, rolled bar. We proudly serve many facets of the metal working industry including the oil & gas (surface/subsea/upstream/midstream/downstream) mining, construction, and defense markets. Our current inventory focuses on 8630, 4130, 4140 and F22 in sizes up to 34" in diameter, but other grades are available. We are conveniently located in northwest Houston, Texas. Our stocked line of rolled and forged alloy bar stock has enabled us over the years, to become a strong supply chain partner for many OEM's, Job Shops, Fabricators and Distributors. Meeting the stringent customer specifications that come with the O&G Industry and meeting the short lead times required when a rig is down...is our specialty. **Cage Code 7M2Q5 **API Spec. Q1 registered, Q1-2471, **ISO certified 9001:2015