Our API 5L Welded Steel Pipes are made from high-quality carbon steel and meet API SPEC 51 compliance requirements. These pipes are highly durable, so they're perfect for use in both hot and cold environments. Plus, these pipes are corrosion-resistant, which makes them perfect for use in the petroleum, natural gas and oil industries. And if you're worried about these pipes breaking or being damaged by shock or vibrations while they're in your long pipelines, don't be - they're resistant to cracking. Not only are these APL 5L pipes completely resistant to rot, rodents and pests, but they offer unbeatable value.