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H13

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H13 properties and heat treatment forged piece, Including H13 application and specifications, We have all specifications,Including H13 steel plate, H13 sheet, H13 square steel, H13 flat bar,H13 round bar,H13 forgings, we can own production and sales.


Introduction to Our Products:

Specialized high quality steel

We have the advantages of equipment, technologies and price

forged/hot rolling/ extrusion of steel


We can produce the H13 has the following specifications:

Round bar steel: 1mm to 3000mm

Square-shape steel: 1mm to 2000mm

Plate steel:0.1mm to 2500mm

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: φ6-219 mm, 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.


Chemical composition % of the ladle analysis of grade H13 and Standards

BS4659 BH13 is an air hardening tool steel which combines a ver y good red-hardness with toughness and co ver s a wide variety of applications. H13 hot work tool steel may be water cooled in service and gives high temperature strength and wear resistance. 

TYPICAL ANALYSIS

 
 
 
 
C.
Si.
Mn.
Cr.
Mo.
V.
0.38%
1.00%
0.40
5.00%
1.30%
1.00%

Forging:
Heat slowly and uniformly to 700°C. Forge within a range of 1050/1150°C reheating if necessary, since Forging must not be carried out below 850°C. Cool slowly, preferably in a furnace since this is an air hardening steel.
Annealing:
Heat uniformly to 750/800°C, soak thoroughly and furnace cool.
Stress Relieving:
After rough machining the tools must be stress relieved, heat to 650/700°C and hold for 2 hours then furnace cool.
Hardening:
Pre heat to 750/850°C and soak thoroughly, then increase rapidly to the hardening temperature of 1000/1030°C in a controlled atmosphere or neutral salt bath. Cool in air.
This steel is suitable for vacuum hardening.
Tempering:
Heat uniformly and thoroughly at the selected tempering temperature, depending on the hardness requirement. Hold for at least two hours per inch of total thickness and cool in air. Double tempering is st rongly recommended.

Tempering °C

 
     400
     500
     550
     600
     650
HRc
54
56
54
49
47

 

Tufftriding:
Tufftriding H13 tool steel is done in a special salt bath at 570°C. Holding time 2 hours. I gives a surface hardness of approximately 950-1000HV.
Nitriding:
Nitriding H13 hot work tool steel gives a hard surface case which is very resistant to wear and erosion and also increases the corrosion resistance. Nitriding in ammoniac gas at 525°C gives a surface hardness of approximately 1000HV 1250HV. Before nitriding, the tool should be hardened and tempered at approximately 50°C above nitriding temperature.

Temperature

 
Time
Approximate Depth of Case
525°C
10 hours
0.125mm
525°C
20 hours
0.180mm
525°C
40 hours
0.250mm
525°C
60 hours
0.300mm

 

Welding:
Due to the high risk of crack formation welding of H13 tool steel should be avoided, if possible. When, howe ver Welding is essential, the following serves as a guide:
A .   Welding of soft annealed H13 tool steel
·       Preheat to 300 - 500°C
·       Weld at  300-500°C
·       Immediately stress relieve at 675-750°C. Soaking time at temperature, 3 hours.
Electrode: Cr-Mo alloy electrode for Welding low alloyed steel.
B.    Welding in connection with hardening of soft annealed H13 tool steel.
·       Heat to austenitizing temperature.
·       Cool to approx. 500°C
·       Weld at approx. 500°C
·       Cool to approx. 100°C in the same way as at normal hardening, then temper to desired hardness.
Electrode: Hard facing electrode.
C.    Repair Welding of H13 tool steel in hardened and tempered condition.
·       Preheat to the tempering temperature (min. 300°C) previously used.
·       Weld at tempering temperature. Do not weld below 150°C.
·       Reheat immediately to 300°C. Soaking time 3 hours.
·       Cool in air to approx. 80°C.
·       Reheat immediately to 300°C. Soaking time 3 hours.
Electrode: Hard facing electrode.
Physical Properties: Temperature:    
  200°C 400°C 600°C
Density (Kg/dm³) 7.75 7.70 7.65 
Coefficient of thermal expansion (per °C from 0°C) 11.9 x 10-6 12.4 x 10-6 12.8 x 10-6
Thermal conductivity (cal/cm.s °C) 60.0 x 10-3 62.4 x 10-3 63.6 x 10-3
Modulus of elasticity:      
N/mm² 184 000 175 000 154 000
Step Shaft H13 Tube H13 Pie-shaped H13 Ring H13 Module H13 Large valves of the main H13 Other Profiled Forgings H13

Introduction to Our Products:

Specialized high quality steel

We have the advantages of equipment, technologies and price

Forging/hot rolling/ extrusion of steel

Specifications

Round bar steel: 1mm to 2000mm

Square-shape steel: 50mm  to  600mm

Plate steel:0.1mm  to  800mm

Width: 10mm to 1500mm

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: φ6-219 mm, 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 requirement

Excellent service for all kinds of industries,with advantages of technologies, equipment and price.

We serve you with our honesty, integrity, and professionality.




Machining performance

Download H13 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>


Principal Design Features

One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.


Machinability

Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.


Heat Treatment

CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.


Welding

Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.


Forging

Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.





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