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What is coiled tubing

Coiled tubing, also known as flexible tubing, is made of low carbon alloy steel tubing with good flexibility to meet the requirements of plastic deformation and toughness required by downhole operations. Commonly used coiled tubing specifications are: Phi 1/2 three-quarters of 3/8 25.4mm, φ31.75m... Read More

Origin of stainless Steel

Brearley invented stainless steel in 1916 obtained the British patent and began to mass production, so far, the stainless steel accidentally found in the garbage became popular all over the world, Henry Brearley is also known as the “father of stainless steel”. During the First World ... Read More

Application of stainless steel

Hardness Stainless steel tube commonly used brinell, Rockwell, Vickers three hardness indicators to measure its hardness. Brinell hardness In the stainless steel tube standard, brinell hardness is the most widely used, often to indentation diameter to express the hardness of the material, both in... Read More