Stellapur PM 100 pages
SCANA CREATES PROGRESS
Stellapur PM 10
Ultra Clean Powder Metallurgy Steel
Chemical composition
C
Cr
2,45 5,3
Mo
1,3
W
-
V
9,8
Standards:
AISI
A11
Delivery hardness
Max 280 HB
Stellspur PM 10 is a grade designed for high abrasive wear applications
like wood and paper knifes.
Characteristics
Stellapur PM 10 is a high V alloyed grade
for improved wear resistance. A suitable
grade for cold work applications, knifes
and other abrasive wear parts. The grade
can easily be wire cut. Recommended for
PVD/CVD coating. For nitriding max
2-15 µm is recommended.
Typical applications:
Cold work tools
Knifes
Wood and paper tools
Heat treatment
Soft annealing
O
O
Protective atmosphere 850 – 900 C followed by slow cooling at 10 C/h
O
down to 700 C. After that, air cooling.
Stress-relieving
O
O
600 – 700 C for approximately 2 hours and slow cooling down to 500 C.
Hardening
O
Protective atmosphere with pre-heating in 2 steps at 400 – 500 C and
O
850 – 900 C and austenitising at a temperature suitable for chosen hardness
O
followed by rapid cooling down to 40 – 50 C
Tempering
O
560 C three times for at least 1 hour each time.
O
Cooling to room temperature (20-30 C) between temperings.
Form supplied
Forging
Round
Flat/square
Rolling
Peeled
Flat black
90 – 380 mm
Max width 450 mm
Min thickness 40 mm
10 – 72 mm
Width 20 -260 mm
Thickness 5 - 55mm
Profiles
On request
PM Block
400 x 500 x 2100 mm
400 x 500 x 1100 mm
400 x 500 x 1000 mm
400 x 250 x 1000 mm
500 x 200 x 1000 mm
Tempering temperatur
540, 560, 580 OC
Austenitizing
temperature
O
HRC
C
54
1000
55
1030
56
1050
57
1060
58
1080
59
1100
60
1120
61
1150
62
1180
Tempering
3 x at 560OC
Nm
HRC
Impact strength
Original 70x15
SCANA STEEL SÖDERFORS AB Mellanverksvägen Box 104, SE-815 04 Söderfors Sweden
Tel. +46 293 177 00; www.scana.no