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Size range：Φ48.3mm--508mm×1.5mm---60mm
Common sizes: Φ48.3mm--508mm×1.5mm---60mm
Grade：BJ450、BJ770、BJ890、HSM450、HSM770、HSM890、HSM960、S770QL、S890QL、
Grades: BJ450, BJ770, BJ890, HSM450, HSM770, HSM890, HSM960, S770QL, S890QL, Q390、Q460、Q690 etc.
Standards: GB/T 30584/GB/T1591, Q/OHAD015, or technical agreements
Surface Quality: no more than Ra 12.5.
Size range：Φ60.3mm-1016mm×8.5mm-80mm
Common sizes: Φ60.3mm-1016mm×8.5mm-80mm
Grade：20#、35#、45#、27SiMn、30CrMnSiA、30MnNbRe etc.
Standards: GB/T17396 or technical agreements
Services：precision cold drawing with ID tolerance 0~0.05%, straightness up to 0.5mm/m, tensile strength≥610 MPa, yield strength ≥360 MPa, elongation≥14%.
Size range：Φ108mm×4.5mm、Φ108mm×6mm、Φ127mm×4.5mm、Φ127mm×6mm、Common specifications: Φ108mm×4.5mm, Φ108mm×6mm, Φ127mm×4.5mm, Φ127mm×6mm, Φ146mm×6mm、Φ146mm×8mm、Φ168mm×6mm、Φ168mm×8mm、Φ146mm×6mm, Φ146mm×8mm, Φ168mm×6mm, Φ168mm×8mm, Φ168mm×10mm、Φ178mm×10mm、Φ178mm×15mm、Φ168mm×10mm, Φ178mm×10mm, Φ178mm×15mm
Grades/Steel grades: DZ40 (50Mn, 37Mn5) DZ50/DZ55 (45Mn2, 36Mn2V, 42MnMo7), R780(36Mn2V、42MnMo7) 、09Mn2Si etc.
Standards: GB/T9808, YB235, YB/T5052, Q/BQB230, Q/OHAD006, or technical agreements
Size range： Φ46mm×4.5mm, Φ57mm×6mm, Φ64mm×6mm, Φ76mm×8mm, Φ87mm×10mm,
Grades: 23CrNi3Mo, 55SiMnMo, etc.
Standards: GB/T1301 or technical agreements
Size range：Φ74mm-232mm×11mm-28mm
Grades: 20CrMo, 35CrMo, 42CrMo, 40CrMnMo, 40CrNiMo
Standards: GB/T8162 and technical agreements
Size range：Φ42mm-760mm×4mm-120mm
Grades: Q345B, 27SiMn, 30CrMo, 35CrMo, 42CrMo, HG550, HG650, and HG850
Standards: GB/T 34109 and technical agreements
Size range：Φ325mm-630mm×20mm-35mm
Grades: 35CrMo, 42CrMo, Q345B, Q345D, Q390, Q460, 4130
Standards: GB/T8162, ASTM-A519, and technical agreements
