... Normal Length:3m-12m4. Producing Standard:American ASTM, API 5L, API 5CT, Japanese JIS, German DIN, Chinese GB/T, ... and big equipments, for example transport of water, oil, gas etcCan be used in low and medium ... generating tube etc10. Certificates:ISO9001-2000, ISO14000, ISO18000, API 5L certificate11. Picturesour producing flow chart, our factory, ... ASTM A210 Low Alloy Seamless Boiler Steel Pipe