PRODUCT NAME :
alloy structure steel
STANDARD:
GB/T3077-1999 EN10083-1 EN10083-3 ISO 683-1
GRADE COMPARISION:
|
GB |
ГОСТ |
ASTM |
BS |
JIS |
NF |
DIN |
|
30Mn2 |
30Г2 |
1330 |
150M28 |
SMn433H |
32M5 |
30Mn5 |
ULTRASONIC STANDARD:
GB/T6402-2008 / SEP921-84. ASTM A388
CHEMICAL COMPOSITION:
|
C |
Si |
Mn |
P≤ |
S≤ |
|
0.27/0.34 |
0.17/0.37 |
1.4/1.8 |
0.035 |
0.035 |
HEAT TREATMENT SPECIFICATION & MECHANICAL PROPERTIES:
The first tiem quenching temperature （℃）：840, coolant water.
Tensile strenght :σb (MPa)：≥785(80)
Yeild strength σs (MPa)：≥635(65)
elongation δ5 (%)：≥12
Reduction area ψ (%)：≥45
Impact Akv (J)：≥63
Hardness （HBS100/3000）（annealed status）：≤207
DELIVERY CONDITION :
DIMENSION : mm
|
ROUND STEEL BAR |
COIL ROD |
WIRE |
SQUARE/ FLAT |
|
FORGED BAR |
ROLLED BAR |
HOT ROLLED |
COLD DRAW |
FORGED |
ROLLED |
|
80-650 |
16-250 |
∮5.5-20 |
∮0.2-13 |
120-800×120-800 |
5-38×44-150 10-90×60-305 |
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 negotiated 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 as per international,
Chinese or industry standards, or based on agreements with customers.
