Specification:
Ф 2-80mm (diameter) × 500-6000mm (length)
Ф8-20mm (diameter) × 500-4000mm (length)
Ф 8-350mm (diameter) × 500-4000mm (length)
Grade:
TA0, TA1, TA2, TA3, GR1, GR2, GR3, GR4, BT1-00, BT1-0
Standard:
GB / T 2965 GB / T 13810 ASTM B348 ASTM F136
