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Supplier: | CNBM International Corporation |
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Price: | Negotiable/Piece |
Min Order: | 2/Ton |
Quantity:: | |
Trade Terms: | FOB,CFR,CIF |
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Prod Model: | SCM440, 42CrMo, 4140, 42CrMo4 |
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Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Diameter: | 12mm-800mm |
Delivery Condition: | Heat Treatment or Not |
Heat Treatment: | Normalizing, Anealing, Tempering, Quenching |
Type: | Round |
Standard: | BS |
Technique: | Hot Rolled |
Surface Treatment: | Galvanized |
Composition: | Ferrous Steel Scrap |
Special Use: | Mold Steel |
Application: | Tool Steel Bar |
GB | DIN | AISI | JIS |
42CrMo | 1.7225 | 4140 | SCM440 |
C | Si | Mn | Cr | Mo | P | S |
0.38-0.43 | 0.40max | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | ≤0.035 | ≤0.035 |
Round steel bar: 12mm -800mm | |||||||||
Flat steel bar: 25-400mm*200-800mm |
Black surface/ Grinded/ Machined |
Annealed HBS 217 max |
SCM440/ 4140 Alloy Steel/SAE 4140 Steel Price is engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability. |
SCM440/ 4140 Alloy Steel/SAE 4140 Steel Price is use to producecomponents with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering . |
Forging | Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc. | ||||||||
Annealing | Heat to 830°C-850°C.Cool in furnace. | ||||||||
Normalising | Heat to 870°C-900°C.Cool in still air. | ||||||||
Stress Relieving | Annealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air. | ||||||||
Hardening | Heat to 830°C-880°C. Quench in oil or polymer. | ||||||||
Tempering | Heat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided. |
Company Name | CNBM International Corporation |
Mobile | 0086- 15862367840 |
Contact | Pearl Fu |
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