Hualong Precision HB30, HB40 and HTG300HS are engineered to meet the most demanding API standards for oil and gas applications, particularly down hole tool components including:
HB30, HB40 and HTG300HS contain Type VII, Type A, size 4-6 graphite in a matrix ranging from Pearlite/Ferrite to all Pearlite and conform to the ASTM A48 requirements. HTG300HS has 40ksi (275 Mpa) tensile strength in bars up to 6” in diameter (155 mm)
H-Bar QT ductile iron grades are engineered to meet Chinese, European and US (ASTM) standards and conform to the API requirements for these grades.
H-Bar ductile iron grade QT450, ASTM 536, grade 65-45-12 is engineered to meet minimum charpy requirements at low temperatures.
Contact us for more information regarding the use of H-Bar products in your oil and gas applications
