18crmo4(1.7243) Hot Forged Square Bar and round bar
| Min. Order: | 10 Metric Ton |
|---|---|
| Trade Term: | FOB |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 5000 tons per months |
| Place of Origin: | Shanghai |
Company Profile
| Location: | Shanghai, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Alloy Steel Pipe, High Speed Bar, Carbon Steel Round Bar, Tool Steel Round Bar, Forged Steel Round Bar |
Product Detail
| Model No.: | 18crmo4/1.7243 |
|---|---|
| Means of Transport: | Ocean, Air |
| Production Capacity: | 5000 tons per months |
| Packing: | seaworthy package |
| Delivery Date: | within 10-45 days after both confirmed |
Product Description
18crmo4(1.7243) Hot Forged Square Bar and round bar
APPLICATIONS:
usually being used at the quenched and tempered or case hardening state,for the manufacture of non-corrosive media and working temperature below 250 , the medium containing a mixture of nitrogen and hydrogen in the work of a variety of high-pressure pipes and fasteners, the higher the infiltration carbon components, such as gears, shafts and so on.
2, RELATED SPECIFICATIONS:
USA ASTM 4118
Japan JIS SCM420
China 20CrMo
3, Chemical Composition (%):
C:0.15-0.21
Si:0.4max
Mn:0.6-0.9
P:0.035max
S:0.035max
Cr:0.9-1.2
Mo:0.15-0.25
4, Process: EAF+LF+VD+Forged+Heat Treatment(optional)
5, SIZE RANGE:
Round:
Hot Forged: 80mm-1500mm
6, SURFACE FINISHES:
Black, Turned
7, Test: Ultrasonic test according to SEP 1921-84
Normalizing
Normalizing temperature: 860-900oC.
Hardening
Harden from a temperature of 850-880oC followed by oil or water quenching. Hardness after quenching is 39-47 HRC.
Tempering
Tempering temperature: 595-700oC.
Forging
Hot forming temperature: 1100-850oC.
Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property yield strength, tensile strength, elongation and hardness, forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.