Cold / Hot Rolled Boiler Stainless / Alloy Steel Sheet Plate ASME Standard
Product Description
| ASTM, ASME, EN, BS, GB, DIN, JIS, etc |
| A36,A106Gr.B,Q235,Q345,Q195,ST37-2,ST52-3,A516-Gr.55/Gr60/Gr65,Gr70,A204,A378-Gr.2/Gr.12/Gr22,13CrMo44,10CrMo910,15Mo3,A515 ,Cr.60/Cr55/Cr65,4140,4130 etc |
| 1000mm,1219mm,1250mm,1500mm,1800mm,2000mm,2200mm,2500mm,3000mm.ect. |
| 0.1mm-280mm as customer's requirement |
| 1000mm-12000mm or as required |
| Black painted,PE coated,Galvanized ,colour coated ,etc |
| Standard export sea-worthy packing | | |
| Hot rolled/ cold rolled | | |
| 7-15 days | | |
| 7010 metric tons/ month | | |
| Foodstuff, gas, metallurgy, biology, electron, chemical, petroleum, boiler, fertilizer, etc | | |
| 1.Short delivery time |
2.Quality assurance |
3.Competitive price |
4.Superior Service |
| We can produce other standard as the customers' requirement |
Characteristics
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.
Applications
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 .
Chemical Composition
Surface condition
Black surface/ Grinded/ Machined
Hardness
Annealed HBS 217 max
Heat treatment
Forging Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
AnnealingHeat to 830°C-850°C.Cool in furnace.
NormalisingHeat to 870°C-900°C.Cool in still air.
Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air.
HardeningHeat to 830°C-880°C. Quench in oil or polymer.
TemperingHeat 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.