• Trademark：Kingmetal
• Specification：20~200mm
• Transport Package：in Bundle
• Surface：Galvanized, Oiled, Black Painting, etc
• Product Application：Mechanical, Textile, Structural Purpose
• Technical Processing Way：Cold Drawing and Hot Rolling
• Length：3~12 Meters
• Wall Thickness：1~15mm
• Outside Diameter：20~200mm
• Model NO.：KM-0132
• Origin：China
• HS Code：73062900
• Production Capacity：1000 Tons Per Month

StandardGradeChemical composition:(%)CSiMnP≤S≤CrMoCu≤Ni≤TiVNbGB/T 699100.07~0.130.17~0.370.35~0.650.0350.035≤0.15
0.250.3


200.17~0.230.17~0.370.35~0.650.0350.035≤0.35
0.250.3


350.32~0.390.17~0.370.50~0.800.0350.035≤0.25
0.250.3


450.42~0.500.17~0.370.50~0.800.0350.035≤0.25
0.250.3


GB/T307720Cr0.18~0.240.17~0.370.50~0.800.0350.0350.70~1.00





40Cr0.37~0.440.17~0.370.50~0.800.0350.0350.80~1.10





20CrMo0.17~0.240.17~0.370.40~0.700.0350.0350.80~1.100.15~0.25




42CrMo0.38~0.450.17~0.370.50~0.80

0.90~1.200.15~0.25




20CrMnTi0.17~0.230.17~0.370.80~1.10

1.00~1.30


0.04

~0.10GB/T1591Q345B≤0.20≤0.551.00~1.600.040.04



0.020.020.015~0.20~0.15~0.060













Mechanical properties








Standard
GradeTensile strength (Mpa)Yield strength (Mpa)Elongation (%)Hardness HBW







No less thanNo less than







GB/T816210#>=33520524-







20#>=41024520-







35#>=51030517-







45#>=59033514-







Q345B470-63034520-







20Cr>=78549010179







40Cr>=9807859207







20CrMo>=84563511197







42CrMo>=108093012217







20crMnTi>=108083510217





















material&standard comparison table




GB
ASTM/ASMEDINENJIS



GB/T816210A53ADIN1629St37EN17121St37-2/3G3454STPG370



GB/T8163A106A



GB/T3639A5191010




20A53BDIN1629St44EN17121St44-2/3G3454STPG410




A106B




A5191020




45A1045

CK45








Q235A5191021

EN10210-1S235JRHG3444STK400




EN1097-1E235






Q345A5191524DIN1629St52

G3444STK500




37Mn5J55











35CrMo
4135



G4105SCM435




20Cr
5120




SCr420




40Cr
5140




SCr440




15CrMo






SCM415




20CrMo
4119




SCM420




42CrMo
4150/4142




SCM440




20CrMnTi






SMK22