Similar Grades:
16NiCr4, DIN1.5714, 637M17
Shape:
Round, Flat, Square.
Size Range:
| |
Diameter(mm) |
Thickness (mm) |
Width (mm) |
Length(mm) |
| Round |
20-480 |
- |
- |
2000-5800 |
| Square |
20-480 |
- |
- |
2000-5800 |
| flat |
- |
20-50 |
80-600 |
2000-5800 |
Steel-making Condition:
EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:
Annealed , Quenched + Tempered
Surface Condition:
Black, Grinded, Peeled, Rough turned, Polished
Features:
1.Competitive price
2.Immediate delivery
3.Premium quality
4.Reliable service
5.MOQ: 1 Ton
| Packing details |
In seaworthy packing, as your requirement. |
| Delivery details |
within 30-50 days |
Chemical Composition:
C |
Mn |
P |
S |
Si |
Cr |
Ni |
| 0.13-0.19 |
0.70-1.00 |
<= 0.025 |
<=0.035 |
<=0.40 |
0.60-1.00 |
0.80-1.10 |
Mechanical Property
Mechanical Properties(values obtained on test blanks after core hardening + stress-relieving)
Test Blanks Diameter(mm) :11mm 30mm
Tensile Strength (Mpa) :1080-1470 830-1130
Yield Strength (Mpa) : 835 min 590 min
Elongation (longitudinal) (%) : 9 min 10 min
Impact 20°C (J) : 30 min 32.5 min
Hardness (HB) :327-417 249-339
Heat Treatment and Hot Plastic Deformation Temperatures
Process Temperature° C Cooling Medium
Hot Forming 900-1150 air
Normalizing 870 min air
Soft Annealing 700 min air 217HB max
Carburising 870-950 /
Core hardening 840-880 oil-polymer salt bath
Carbonitriding 750-930 gas
Isothermal annealing 860 min cooling to 650, then air (HB 166-217)
Case hardening 810-840 oil-polymer salt bath
Tempering 150-200 /
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