PRODUCT NAME :
stainless steel
STANDARD:
GB/T1220-2007 GB/T1221-2007 GB/T20878-2007 ASTM A959-04 ISO4955:2005 ISO683-13 ISO683-16 EN10088:1-1995 EN10095-1999
GRADE COMPARISION:
|
GB |
BS |
DIN |
|
40Cr13 |
X39Cr13 |
1.4031 |
ULTRASONIC STANDARD:
GB/T6402-2008 / SEP921-84. ASTM A388
CHEMICAL COMPOSITION:
|
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Ni |
|
0.36/0.45 |
≤0.60 |
≤0.80 |
0.035 |
0.03 |
12.00/14.00 |
(0.60) |
HEAT TREATMENT SPECIFICATION & MECHANICAL PROPERTIES:
Annealed hardness ≤201HB,impression diameter 3.9～4.3mm; Q&T,≥50HV
Annealing 800～900℃ slowly cooling , about 750℃ rapid cooling.
Quenching :1050～1100℃ oil cooling.
Tempering : 200～300℃ rapid cooling.
Metallographic structure : martensite.
DELIVERY CONDITION :
DIMENSION : mm
|
ROUND STEEL BAR |
COIL ROD |
WIRE |
SQUARE/ FLAT |
|
FORGED BAR |
ROLLED BAR |
HOT ROLLED |
COLD DRAW |
FORGED |
ROLLED |
|
100-350 |
16-250 |
∮5.5-20 |
∮0.2-13 |
120-800×120-800 |
5-38×44-150 10-90×60-305 |
APPLIED RANGE:
Its hardness higher than 3Cr13 after Q&T, good corrosion resistance . Used make cutter , nozzle, valve seat etc.
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.
