Search our catalog of products
resources
Our Calculators
We make determining the right product for you easy with our Nominal Pipe Conversion and Carbon Pipe Calculators.
Weight Per Foot Calculator
Determine the weight per foot tubing and bar in a variety of shapes and commodities
Learn more
Nominal Pipe Conversion Calculator
Check out our conversion calculator to find out the nominal or actual size of a pipe.
Learn more
Company
Our mission is to create and maintain a positive and ethical environment in which quality employees develop efficient and economical methods to purchase from responsible suppliers to warehouse, market and timely deliver quality tubular, pipe and bar products. And in order to provide the best possible customer service, we go beyond metal products to provide best-in-class services and solutions that support world-class businesses.
About Us
Learn the history of over a century of expertise in the metals industry.
Leadership Team
Meet our team with years of experience in the metals and customer service industries.
Join Our Team
Marmon/Keystone offers an array of benefits to our employees. Check out our open positions.
Resource Center
We provide our customers with resources to help determine the right product for the job.
Contact Marmon/Keystone
We’re ready to answer all of your questions; reach out below and a steel specialist will get in touch shortly.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Contact Marmon/Keystone
We’re ready to answer all of your questions; reach out below and a steel specialist will get in touch shortly.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Contact Marmon/Keystone
We’re ready to answer all of your questions; reach out below and a steel specialist will get in touch shortly.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.