AISI 3310, 3415/ 1.5752/ DIN 14NiCr14,
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Specification, Chemical & Mechanical Performance
We can produce 1.5752 stainless steel round rods, 1.5752 forging, sheet, coil and profiledstrip,Deformed steel, flat steel, mould, steel wire, have all specifications. With Bozhong Group production experience, strict control 1.5752 chemical composition and 1.5752 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.
Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.
Designation by Standards
| Brand Name | Ravne No. | Mat. No. | DIN | EN | AISI |
| ECN35 | 745 | 1.5752 | 14NiCr14/ 15NiCr13 | - | 3310, 3415 |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.17 | max. 0.40 | 0.55 | 0.75 | - | 3.25 | - | - | - |
Description
Alloyed carbon steel.
Applications
Components with large cross section requiring high toughness and core strength, e.g., gears, gear shafts, crankshafts.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.83
Thermal conductivity [W/m.K]: 34.0
Electric resistivity [Ohm mm2/m]: 0.20
Specific heat capacity[J/g.K]: 0.46
Coefficient of Linear Thermal Expansion 10-6 oC-1
| 20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC |
| 11.1 | 12.1 | 12.9 | 13.5 | 13.9 |
Hardening
Case-hardening: 880-980oC, oil (water), warm bath at 160-250oC. Carburising: Salt bath at 580-650oC, case-hardening box, air.
Direct hardening: 880-890oC, oil, hot bath at 160-250oC.
Core refining: 840-880oC, oil, hot bath at 160-250oC.
Case refining: 780-820oC, oil, hot bath at 160-250oC.
Normalizing
Normalizing temperature: 850 – 880oC.
Tempering
Tempering temperature: 150 – 200oC.
Hardenability in the end-quench test
| Hardness | 1.5 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 20 | 25 | 30 | 35 | 40 |
| H max. | 48 | 48 | 48 | 47 | 45 | 44 | 42 | 41 | 38 | 35 | 34 | 34 | 33 |
| H min. | 41 | 41 | 41 | 40 | 38 | 36 | 33 | 30 | 24 | 22 | 22 | 21 | 21 |
| HH max. | 48 | 48 | 48 | 47 | 45 | 44 | 42 | 41 | 38 | 35 | 34 | 34 | 33 |
| HH min. | 43 | 43 | 43 | 42 | 40 | 39 | 36 | 34 | 29 | 26 | 26 | 25 | 25 |
| HL max. | 46 | 46 | 46 | 45 | 43 | 41 | 38 | 37 | 33 | 31 | 30 | 30 | 29 |
| HL min. | 41 | 41 | 41 | 40 | 38 | 36 | 33 | 30 | 24 | 22 | 22 | 21 | 21 |
Forging
Hot forming temperature: 1050-850oC.
