IHS is your supply for requirements and specs from the American Petroleum Institute (API), out there in hardcopy or PDF download.

The American Petroleum Institute (API) is a frontrunner in the event of petroleum and petrochemical equipment and operating requirements masking topics that range from drill bits to environmental protection. These embrace confirmed, sound engineering and working practices and secure, interchangeable tools and supplies. Many have been included into state and federal laws and adopted by ISO for worldwide acceptance.

API distributes greater than 200,000 publications annually. The publications, technical requirements, and electronic and online merchandise are designed to assist users enhance the efficiency and value-effectiveness of their operations, comply with legislative and regulatory necessities, and safeguard well being, ensure safety, and protect the atmosphere.