40MnB alloy structural steel

40MnB alloy structural steel, unified digital code: A73402

40MnB alloy structural steel
40MnVB steel Chemical composition :

C Si Mn B V
0.37~0.44 0.17~0.37 1.10~1.40 0.0005~0.0035 0.05~0.10

40MnVB steel mechanical properties :
Tensile strength (σb / MPa): ≥980
Yield point (σs / MPa): ≥785
Elongation (δ5 /%): ≥10
Section shrinkage (ψ /%): ≥45
Impact energy (Aku2 / J): ≥47
Brinell hardness (HBS100 / 3000) (annealing or tempering state)
40MnVB steel features:
This steel has high strength, ductility, toughness and good hardenability in oil critical quenching diameter of 27.5 ~ 43.5mm. When the heat treatment thermal sensitivity is small, the other cold-drawing, cutting, rolling, tapping, and other process performance were also excellent,? Its overall performance is better than 40Cr steel.
40MnVB steel application :
40MnVB with high strength, ductility and toughness, slightly higher than the 40Cr steel mechanical properties, good hardenability, heat treatment of overheating name that small, cold drawn, good machinability, used under quenched state; with in place of 40Cr or 42CrMo alloy steel cars, tractors, machine tools and mining machinery quenched important parts, such as gears, shafts, etc. Used as a small section of the parts can be replaced 40CrNi steel ≤207

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.

25Cr2MoVA steel

25Cr2MoVA steel

Standard: GB / T3077-1999
25Cr2MoVA alloy steel chemical composition

C Si Mn Cr Mo V
0.22~0.29 0.17~0.37 0.40~0.70 1.50~1.80 0.25~0.35 0.15~0.30

25Cr2MoVA steel plate mechanical properties
Tensile strength (σ b / MPa): ≧ 930
Yield point (σ s / MPa): ≧ 785
Elongation (δ 5 /%): ≧ 14
Section shrinkage (ψ /%): ≧ 55
Impact energy (Aku2 / J): ≧ 63 Brinell hardness HBS100 / 3000) (annealing or tempering state): ≦ 241
25Cr2MoVA high strength and toughness. Below 500 ℃, good high temperature performance, no hot crisp tendency hardenability better machinability can still moderate cold plastic deformation, poor welding. Generally in the quenched state, can also be in use after normalizing and tempering.
25Cr2MoVA application
For nuts manufactured under high temperature conditions (less than or equal to 550 ℃), bolts, studs (less than 530 ℃), long-term working temperature fasteners to 510 ℃, the overall turbine rotor, the sleeve, the main steam valve, control valve but also as nitriding steel for the production of stem, and other gear.

Inconel 690 alloy steel

Inconel 690 alloy 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

physical property of Inconel 690 alloy steel

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:

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

Inconel 690 steel

Inconel 690 alloy 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 steel
Inconel 690 alloy steel Chemical Composition, %

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%

 

Monel alloy steel

Monel is a nickel metal matrix other alloying elements copper, iron, manganese, etc. made. Monel good corrosion resistance, silvery white, suitable for edge wire material.

Monel alloy steel
Application:
Monel alloy is mainly used for the shaft, stem, conveyor scrapers, oil well drilling rings, elastic components, valve pad, etc., applicable to the petroleum, chemical, shipbuilding, pharmaceutical, electronics department.
1. The power plant of seamless pipes, steam pipes
2. seawater exchangers and evaporators
3. sulfuric acid and hydrochloric acid environment
4. Crude Distillation
5. deep-sea equipment used and the propeller shaft
6. The nuclear industry for the manufacture and extraction of uranium isotope separation equipment
7. hydrochloric acid manufacturing equipment used in pumps and valves
Production specification:
steel plate: Thickness:0.5mm-15mm; Length:2500mm;Width:1200mm;
Thickness:1mm5-110mm Length:<1000mm.
Belt:Thickness:0.5mm – 3mm, Width:<300mm;
Standard: ASTM B164 (bar, wire), ASTM B564 (forging), ASTM B127 (sheet, strip), ASTM B165 (seamless pipe).