PRODUCT NAME :Carbon steel round bar ( forged ,rolled )
STANDARD:
GB/T699-1999 EN10083-2 ISO683-1 EN10250-2
GRADE COMPARISION:
|
GB |
ГОСТ |
ASTM |
BS |
JIS |
NF |
DIN |
|
50 |
50 |
1050 |
060A52 |
S50C |
XC48TS |
CK53 |
ULTRASONIC STANDARD:
GB/T6402-2008 / SEP921-84. ASTM A388
CHEMICAL COMPOSITION:
|
C |
Si |
Mn |
P≤ |
S≤ |
|
0.47/0.55 |
0.17/0.37 |
0.50/0.80 |
0.035 |
0.035 |
HEAT TREATMENT SPECIFICATION:
Tensile strength ≥630 yeild strength ≥375(38) enlogation ≥14
reduction of area ψ (%)：≥40 impact Akv (J)：≥31(4)
Hardness : not heat treatment ≤241HB; annealed ≤207HB
MECHANICAL PROPERTIES:
DELIVERY CONDITION :
normalized ,annealed, black surface ,rough machined or quenched & tempered , should be indicated in contract .
DIMENSION : mm
length : forged bar free length 4-5.8M,rolled bar 5.8M. for customers special requirment, the bar length can do 20 meters long.
APPLIED RANGE:
REMARK：
Above listed parameters and sepcification only for reference . Specific parameters according to standard. Requirments beyond
standard will be negotiate by both sides .
Delivery state:annealed, spheroidal annealed, quenched & tempered ,bright bar, cold-drawn, etc.
Listed specifications are only typical grades; products of required specifications can be developed/produced per international,
Chinese or industry standards, or based
on agreements with customers.
