... .7-914mm; 2. Thickness:1.25-50mm; 3. Length: 3-12m 4. Standard: ASTM, AP Carbon Seamless Steel pipeSpecifications 1.Out ... .7-914mm; 2. Thickness:1.25-50mm; 3. Length: 3-12m 4. Standard: ASTM, API 5L/5CT, JIS, DIN, BS, GB ... (1/4inch -36inch)2. Wall Thickness:1.25mm-50mm3. Length:3m-12m4. Producing Standard:American ASME B36.10M, ASTM, API 5L ...