718HH pre-hardened plastic mold steel

718HH die steel production since both maintain a high quality, low sulfur levels have been thermally pre-hardened to 36-40HRC its factory
718HH die steel vacuum melting of chromium – nickel – molybdenum alloy steel, hardened and tempered after the factory prior to treatment, with the following advantages:
1, no quenching crack and heat deformation risk
2, no heat treatment costs
3, shorten molding cycle
4, lower the cost of mold making (for example, no distortion correction)
5, the mold is easy to modify
6, can be subjected to nitriding and flame hardening treatment to enhance the mold surface hardness and wear resistance.

718HH pre-hardened plastic mold steel
718HH Mold steel Chemaical composition :

C Si Mn Cr Ni Mo S
0.37 0.3 1.4 2.0 1.0 0.2 0.008

718HH die steel plate features:
1, excellent polishing and photo-etching properties
2, good processing properties
3, high purity and excellent uniformity
4, wear better and longer tool life
718HH die steel use:
1 . A large long-life plastic injection mold, such as home appliances, computer casings, such as mold
2, high surface finish of the plastic mold
3, blow molding
4, due to the high hardness, can be used to mold the plastic sliders
5, forming tools, Compression – Brake mode (bending machine model), (depending on production needs to be applied flame hardening or nitriding)
Factory state: hardened and tempered to hardness of about 330-370HB

40CrMnMo steel

40CrMnMo, is an alloy structural steel grades of Chinese national standard. Unified Digital Code: A34402.

40CrMnMo steel
40CrMnMo steel Chemical composition

C Si Mn Cr Mo
0.37~0.45 0.17~0.37 0.90~1.20 0.60~1.20 0.20~0.30

40CrMnMo steel Mechanical Properties
Tensile strength (≥b / MPa): ≥980
Yield point (≥s / MPa): ≥785
Elongation (δ5 /%): ≥10
Section shrinkage (ψ /%): ≥45
Impact energy (Aku2 / J): ≥63
Brinell hardness (HBS100 / 3000) (annealing or tempering state): ≤217
40CrNiMo steel heat
Quenching temperature (℃): 850; coolant: Oil tempering heating temperature (℃): 600; coolant: water, oil
Microstructure: Tempered sorbite.
Delivery status: to heat treatment (normalizing, annealing or tempering) or without heat treatment delivery, the delivery status should be specified in the contract
40CrMnMo alloy steel feature
After quenching with good mechanical properties, good hardenability, high tempering stability. Mostly used in the quenched and tempered condition.
40CrMnMo steel application
Commonly used in the manufacture of heavy-duty, large cross-section of the gear shafts, gears, large truck axle rear axle shaft, eccentric shaft, connecting rod, similar to the turbine parts, but also to use instead 40CrNiMo

30CrMnSi steel

30CrMnSi is a Chinese national standard alloy structural steel, unified digital code: A24302

30CrMnSi steel
30CrMnSi steel chemical composition

C Si Mn Cr
0.27~0.34 0.90~1.20 0.80~1.10 0.80~1.10

30CrMnSi steel Mechanical Properties
Tensile strength ( σ b / MPa): ≥1100
Yield point (σ s / MPa): ≥800
Elongation ( δ 5 /%): ≥10
Section shrinkage (ψ /%): ≥45
Impact energy (Aku2 / J): ≥50
Brinell hardness (HBS100 / 3000) (annealing or tempering state): ≤229
30CrMnSi steel heat
Quenching temperature ( ℃ ): 880; coolant: Oil
Tempering heating temperature ( ℃ ): 520; coolant: water, oil
30CrMnSi steel main features
High strength quenched and tempered steel. Has high strength and toughness, high hardenability, cold plastic deformation moderate, good cutting performance. There is a tendency to temper brittleness, poor lateral impact toughness. Better welding performance, but the thickness is greater than 3mm, should be preheated to 150 ℃, after welding to be heat treated. After the general tone quality to use.
30CrMnSi steel application :
Used for the manufacture of high load, high speed of a variety of important parts such as gears, shafts, clutches, sprockets, wheel shafts, bushings, bolts, nuts, etc., are also used in the manufacture wear, working temperature is not high parts, variable load welding components, such as high pressure blower blades, valve plate and non-corrosive pipe tubes.

9Cr18 high-chromium steel

Standard :GB/T 1220-1992
9Cr18 high-chromium steel is high carbon martensitic stainless steel, after quenching with high hardness, high wear resistance and corrosion resistance. The steel suitable for manufacturing withstand high wear resistance, high load and plastic mold in corrosive role of the media. The steel is Levin’s steel body, easy to form uneven carbide segregation affect the die life.
9cr18 steel Chemical composition :

9Cr18 high-chromium steel

C Si Mn S P Cr Ni Mo
0.90~1.00 ≤0.80 ≤0.80 ≤0.030 ≤0.035 17.00~19.00 ≤0.60 ≤0.75

9cr18 alloy steel Mechanical Properties :

Hardness: annealing, ≤255HB; quenching and tempering, ≥55HV

Heat treatment and microstructure:
1) annealing, 800 ~ 920 ℃ slow cooling;
2) quenching, 1000 ~ 1050 ℃ oil cooling;
3) Tempering, 200 ~ 300 ℃ oil, air cooling.
Microstructure: Organizing for the martensite type.
Delivery status: generally heat treatment delivery, the treatment types specified in the contract; not indicated, by not heat treatment delivery
9cr18 Features and Scope:
Stainless steel cutting tools used for slicing and shearing machine tools, surgical blades, high wear equipment parts.

Inconel 718 alloy steel

Inconel 718 alloy steel is a precipitation hardening nickel-based high temperature high-strength alloy
Inconel 718 has a temperature range of -253 ~ 700 ℃ good overall performance, the yield strength of 650 ℃ or less in the first place wrought superalloy, and has a good anti-fatigue, anti-radiation, anti-oxidation, corrosion resistance, and good workability, weldability and long-term organizational stability, capable of producing complex parts of various shapes in space, nuclear energy, oil industry, in the above temperature range obtained a very wide range of applications.
Another characteristic of the alloy is an alloy of tissue is particularly sensitive to thermal processing, master alloy phase precipitation and dissolution of the relationship between law and technology organization, performance, and between, for different application requirements to develop a reasonable and feasible process of order, It can get to meet the different intensity levels and use requirements of the various parts.

Inconel 718 alloy steel

Chemical composition of Inconel 718

Grades C Mn Si P S Cr Ni Cu Ti Al
Inconel 718 ≤0.08 ≤0.35 ≤0.015 ≤0.035 ≤0.015 17-21 50-55 ≤0.3 0.65-1.15 0.2-0.8

Performance of Inconel 718 alloy steel

Density[g/cm3] Melting point[℃] tensile strength[Rm N/mm2] Yield Strength[RP0.2N/mm2] Elongation[A5%] Hardness[HB]
8.2 1260-1340 965 550 30 ≤363

Different standard grades of Inconel X-750

Inconel 718 GH4169 N07718 W.Nr.2.4668 NiCr19Fe19Nb5Mo3 NC19FeNb NA 51

Inconel 600 alloy steel

Alloy 600 is a nickel – chromium – iron-based solid solution strengthened alloy, has good high temperature corrosion and oxidation resistance, excellent hot and cold processing and welding performance, in the following 700 ℃ have a satisfactory heat resistance and high plasticity. Alloys can be strengthened by cold working, it can also be used for resistance welding, welding or brazing connections.

Inconel 600 alloy steel

Chemical composition of Inconel 600

Grades C Mn Si P S Cr Ni Cu Fe
Inconel 600 ≤0.15 ≤1.00 ≤0.50 ≤0.030 ≤0.015 14-17 71-78 ≤0.50 6.0-10.0

Performance of Inconel 600 alloy steel

Density[g/cm3] Melting point[℃] tensile strength[Rm N/mm2] Yield Strength[RP0.2N/mm2] Elongation[A5%]
8.4 1370-1425 550 240 30

Different standard grades of Inconel 600

Inconel 600 NS3102 N06600 W.Nr.2.4816


NC15Fe NA14

Inconel 690

Inconel 690 alloy steel is on the base is of Inconel 600 alloy, the chromium content increased to 30%, a new type of evaporator carbon content below 0.04% and the development of nickel base corrosion resistant alloy. It not only has excellent resistance to stress corrosion cracking ability, but also has high strength, good stability and excellent metallurgical processing capability. Characteristics, has been widely used in PWR nuclear power plant on the evaporator tube.
Inconel 690 alloy similar material are:UNS N06690
Inconel 690 alloy chief application:
Inconel 690 alloy is mainly used for the material of nuclear power plant steam generator tubes in pressurized water reactor.

Inconel 690 alloy steel

Chemical Composition, % of Inconel 690 alloy steel

Ni Cr Fe C Al Ti Mn Si Cu P S
Balance 30.39 8.88 0.023 0.22 0.26 0.23 0.07 0.02 0.006 0.002

Inconel 690 alloy steel physical property:

Yield strength Tensile strength Elongation
350MPa 700MPa 45%

Inconel 690 alloy mechanical property:
Inconel 690 density : 8.19g/cm
Inconel 690 melting point: 1343-1377 degree
Inconel 690 alloy steel Existence of main products:
Forging, bar, sheet, strip, ring, wire, bolts, spring
Inconel 690 alloy steel Mechanical Properties:
Inconel 690 has high strength over a broad range of temperatures. Mechanical properties of the alloy vary with product form and temper. Alloy 690 is normally used in the annealed temper, and strength characteristics described below are representative of annealed material. The usual annealing temperature is approximately 1900°F (1040°C).
Inconel 601 Product form and Specifications:

Pipe Seamless B167 SB167
Tube Seamless B167 SB167
Sheet/Plate B168 SB168
Ring/Bar/Rod B166 SB166
Fitting B366 SB366

Monel K500 , NO5500

Monel K500 , NO5500 steel Features: good mechanical properties, has a more curved than MONEL 400 strength and hardness.

Monel K500 , NO5500

Chemical composition of Monel K500,NO5500

Product Ni Fe C Si Mn Cu S
Monel K500 Ni65Cu30Al 66.5 1.25 0.13 0.25~1.6 0.75 29.5 0.008

Mechanical behavior of Monel steel K500,NO5500

Grade Temperature ℃ Tensile strength σbMPa Elongation δ5(%) Hardness ( HB)
Monel K500 (cold drawn state) -79 780 39 /
Monel K500 (forging state) -253 1120 50 260-350
Monel K500 (annealed) Room temperature 620-720 25-45 150-190
Monel K500 (thermal processing state) Room temperature 620-1090 20-45 190-330
Monel K500 (cold drawn state) Room temperature 730-990 15-40 190-280
Monel K500 thermal processing aging 300 1020 45 /
Monel K500 thermal processing aging 400 910 25 /

Monel K500 , NO5500 steel application : Fasteners, structural parts widely used stone chemical, petrochemical, ship and marine engineering used in.
Resistance to chloride induced stress corrosion cracking
High resistance to alkalis
Monel 405 Nickel base alloy forms Available:
Round Bar (ASTM specification B 164)
Hex Bar