- 1.3255, DIN S18-1-2-5, AISI T4 round bar
- 1.3255, DIN S18-1-2-5, AISI T4 forging
- 1.3255, DIN S18-1-2-5, AISI T4 sheet
- 1.3255, DIN S18-1-2-5, AISI T4 flat bar
- 1.3255, DIN S18-1-2-5, AISI T4 pipe
1.3255, DIN S18-1-2-5, AISI T4
We can produce 1.3255, DIN S18-1-2-5, AISI T4 stainless steel round rods, 1.3255, DIN S18-1-2-5, AISI T4 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.3255, DIN S18-1-2-5, AISI T4 chemical composition and 1.3255, DIN S18-1-2-5, AISI T4 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.
Production specification
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.
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.
1.3255, DIN S18-1-2-5, AISI T4
Designation by Standards
| Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
| BRC | 873 | 1.3255 | S18-1-2-5 | HS18-1-1-5 | T4 |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.79 | max. 0.45 | max. 0.40 | 4.15 | 0.65 | - | 1.55 | 18.00 | Co: 4.75 |
Description
This alloy is a High Speed, tungsten type steel/" target="_blank" class="keylink">tool steel. It is a deep hardening alloy capable of Rockwell C 64 hardness.
Applications
Generally used as cutting tools, broaches and cold extrusion punches, turning, planing and milling cutters for roughing work.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 217
Density [g/cm3]: 8.70
Thermal conductivity [W/m.K]: 19.0
Electric resistivity [Ohm mm2/m]: 0.65
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 | 20-600oC | 20-700oC |
| 10.0 | 10.5 | 10.8 | 11.2 | 11.3 | 11.4 | 11.6 |
Soft Annealing
Heat to 820-850oC, cool slowly in furnace to 550oC then air. This will produce a maximum Brinell hardness of 265.
Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to 600-650oC, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.
Hardening
Harden from a temperature of 1260-1290oC followed by oil, air quenching or warm bath at 550oC. Hardness after quenching is 63-66 HRC.
Tempering
Tempering temperature: 2x 560-580oC. Hardness after tempering is 64-65 HRC.
Tempering Temperature (oC) vs. Hardness (HRC)
| 100oC | 150oC | 200oC | 250oC | 300oC | 350oC | 400oC | 450oC | 500oC | 550oC | 600oC | 650oC |
| 65 | 64 | 63 | 62 | 61.5 | 61.5 | 62.5 | 63.5 | 65 | 65.5 | 63 | 55 |
Forging
Hot forming temperature: 1150-900oC.
Cold working
In the annealed condition the alloy may be cold worked by conventional methods.
Machinability
Machinability of T4 is only fair. It ranks as 55% that of the W group water hardening simple steel/" target="_blank" class="keylink">tool steels.
Corrosion Resistance
Although this alloy contains appreciable amount of tungsten it is still not a corrosion resistant alloy. it will rust unless adequately protected.
Welding
The alloy may be welded but has a high tungsten content. Consult the alloy supplier for information relative to welding methods.
Mechanical properties
1.3255, DIN S18-1-2-5, AISI T4 Mechanical properties,Our production completely according to the 1.3255, DIN S18-1-2-5, AISI T4 standards to meet the 1.3255, DIN S18-1-2-5, AISI T4 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.3255, DIN S18-1-2-5, AISI T4 mechanical properties.
Heat treatment
1.3255, DIN S18-1-2-5, AISI T4 Heat treatment,Our production completely according to the 1.3255, DIN S18-1-2-5, AISI T4 standards to meet the 1.3255, DIN S18-1-2-5, AISI T4 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.3255, DIN S18-1-2-5, AISI T4 Heat treatment.
Machining
1.3255, DIN S18-1-2-5, AISI T4 Machining,Our production completely according to the 1.3255, DIN S18-1-2-5, AISI T4 standards to meet the 1.3255, DIN S18-1-2-5, AISI T4 Machining, can also according to the customer request, to meet the requirements of customers of 1.3255, DIN S18-1-2-5, AISI T4 Machining.
Welding performance
1.3255, DIN S18-1-2-5, AISI T4 Welding performance,Our production completely according to the 1.3255, DIN S18-1-2-5, AISI T4 standards to meet the 1.3255, DIN S18-1-2-5, AISI T4 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.3255, DIN S18-1-2-5, AISI T4 Welding performance.
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