Diameter (thickness) 100-1000mm ,Length: 3.0-5.8m or according customer require. We can do at most 15 meters long.
Qilu Special Steel Co., Ltd. is a large-scale enterprise specialized in the production of high-quality special steel and has become the supporting services and backbone enterprise in our industry, locomotives, machinery, die, automobiles, shipbuilding, chemical and other industries.It is a high-tech enterprise in Shandong Province.
C45
EN 10250-2:1999, Number: 1.0503 Comparison of steel grades
JUS C.1530
DIN C45
BS (080M46)
GOST 45
AISI 1043
UNI -
NF (AF65C45), CC45
Chemical analysis -% by mass *
Chemical elements C Si
max. Mn P
max. S
max. Cr
max. Mo
max. Ni
max. Cr+Mo+Ni
max.
%, by mass 0,42-0,50 0,40 0,50-0,80 0,045 0,045 0,40 0,10 0,40 0,63 -
Permissible deviation ± 0,02 + 0,03 ± 0,04 + 0,005 + 0,005 + 0,05 + 0,03 + 0,05 -
*At the option of the manufacturer the elements aluminium, titanium, vanadium and niobium may be added singly or in combination for grain size control
purposes. Elements not quoted in table shall not be added to the steel without the agreement of the purchaser, except for the purpose of finishing the heat.
Mechanical properties in the normalized and normalized and tempered conditions
Thickness of ruling section tR
Diameter in mm tR ≤ 100mm 100< tR ≤250mm 250< tR ≤500mm 500< tR ≤1000mm
Re min (N/mm2) 305 275 240 230
Rm min (N/mm2) 580 560 540 530
A % min. l-longitudinal 16 16 16 15
tr - transverse - 12 12 11
KV min * (J) l-longitudinal - 18 15 12
tr - transverse - 10 10 10
1N/mm2=1MPa
Maksimim hardness for forgings to be supplied in the annealed condition
HB max 207
Heat treatment conditions
Quenching
Temperature, 0C
Cooling medium Tempering
Temperature, 0C Normalizing
temperature, 0C
820 to 860 Water or oil 550 to 660 840 to 880
