DIN1.6587 Steel Round Bar Bright Peeling Surface 650mm
Price:
0.85 USD/KG
MOQ:
300KGS
Delivery Time:
7 Days
Brand:
MITTEL
Product Description
18CRNIMO7-6 SPECIAL ALLOY
CHEMICAL COMPOSITION%OF THE LADLE ANALYSIS OF GRADE18CRNIMO7-6
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.15-0.21 | 0.4 | 0.50-0.90 | 0.035 | 0.035 | 1.50-1.80 | 1.40-1,70 |
18CrNiMo7-6
MECHANICAL PROPERTIES OF GRADE18CRNIMO7-6
| Proof strength Rp0.2(MPa) |
Tensile strength Rm(MPa) |
Impact energy KV(J) |
Elongation at fracture A(%) |
Reduction in cross section on fracture Z(%) |
As-Heat-Treated Condition | Brinell hardness(HBW) |
|---|---|---|---|---|---|---|
| 775(≥) | 936(≥) | 41 | 21 | 24 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 244 |
PHYSICAL PROPERTIES OF GRADE 18CRNIMO7-6
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J/kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 844(≥) | 936(≥) | 22 | 44 | 32 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 443 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0)N/mm2 |
Creep rupture strength (10000h) (Rp1,0)N/mm2 |
|||||
| 453 | 365 | 315 |
18CRNIMO7-6 RANGE OF PRODUCTS
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates/Sheets | Plates/Sheets | 0.08-200mm(T)*W*L | Forging,hot rolling and cold rolling | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
| Steel Bar | Round Bar,Flat Bar,Square Bar | Φ8-1200mm*L | Forging,hot rolling and cold rolling,Cast | Black,Rough Turning,Shot Blasting, |
| Coil/Strip | Steel Coil/Steel Strip | 0.03-16.0x1200mm | Cold-Rolled&Hot-Rolled | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
| Pipes/Tubes | Seamless Pipes/Tubes,Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion,Cold Drawn,Welded | Annealed,Solution and Aging,Q+T,ACID-WASHED |
DIN 1.6587 | 17CrNiMo6 |18CrNiMo7-6 forging temperature:900 – 1100°C,cool slowly in the sand after forged.
6.Heat Treatment
- Normalizing:850 – 880°C/air
- Soft annealing:650 – 700°C/furnace
- Stress relieve:630- 650oC
- Carburising:880 – 980°C
- Core hardening:830 – 870°C/water
- Intermediate annealing:630 – 650°C
- Case hardening:780 – 820°C/water
- Tempering:150 – 200°C
7.Surface Hardness
- Treated to improveshearability(+S):Max 255HB
- Soft annealed(+A):Max 229HB
- Treated to hardness range(+TH):179-229HB
- Treated to ferrite-pearlite structure and hardness range(+FP):159-207HB
8.Application
DIN 1.6587 | 17CrNiMo6 |18CrNiMo7-6 steel for the parts which require core tensile strength and high hardness. Susceptible to the large seized parts with high wearing resistance and loading such as: Heavy Duty Bushings and Bearings, Cam Followers, Clutch Dogs, Compressor Bolts, Extractors, Fan Shafts, Heavy Duty Gears, Pump Shafts, Sprockets, Tappets, Wear Pins, Wire Guides etc..
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
Contact Person
Gao Ben