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Description

1.6217 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.6217
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel 1.6217
1.5680
12Ni19
1.5680
X8Ni9
1.5662
X7Ni9
1.5663
11MnNi5-3
1.6212
13MnNi6-3

Chemical composition(mass fraction)(wt.%) of the 1.6217

C
Si
Mn
P
S
Cr Ni
0.16 0.50  0.85-1.70  0.025  0.015    0.30-0.85 
Mo Al Cu Nb Ti V Ce
   0.020    0.05    0.05  
N Co Pb B Other    
             
             

 

Steelmaking

ELECTRODE ARC FURNACE; (NON)VACUUM INDUCTION FURNACE; LF; VD; VOD; ESR; CONSUMABLE ELECTRODE VACUUM FURNACE.

 

Low-temperature steel

 

Steels for low temperature service

 

Is suitable for the application of alloy 0 ℃. In 196 ℃ below-can use, called the cryogenic steel or ultra-low temperature steel. Low-temperature steel should be mainly has the following performance: (1) brittle transition temperature toughness-less than using temperature; (2) meet the design requirements of strength; (3) in the use of temperature organization structure stability; (4) the good weldability and processing molding sex; (5) some special use also requires a low magnetic conductance, cold shrinkage rate, etc. Low temperature according to the crystal lattice steel type can generally be divided into body heart cubic ferrite low-temperature steel and the cube of the heart of the austenite low-temperature steel two kinds big.

 

Ferrite low-temperature steel general obvious toughness-brittle transition temperature, when the temperature is reduced to a critical (or interval) will be a sudden decrease of toughness. The appended drawings says carbon 0.2% carbon steel impact value and the relationship between temperature, the temperature change in-20 ℃ or so. Therefore, the ferrite steel in the transition temperature below should not be used, generally need to join Mn, Ni etc alloy elements, reduce the gap impurities, fine grains, control the size of the second phase in steel, shape and distribution etc, make ferritic steel toughness-brittle transition temperature decrease (see the strengthening of the metal).

 

According to the composition ferrite low-temperature steel is divided into three categories: 1) low carbon manganese steel (C0.05 ~ 0.28%, Mn0.6 ~ 2%). Make Mn/C we 10, reduce oxygen, nitrogen, and sulfur and phosphorus and other harmful impurities, some still add a little aluminum, niobium, titanium, vanadium elements to fine grains. This kind of steel minimum temperature 60 ℃ use for-to the left. (2) low alloy steel. Main have low nickel steel (Ni2 ~ 4%), manganese nickel MuGang (Mn0.6 ~ 1.5%, Ni0.2 ~ 1.0%, Mo0.4 ~ 0.6%, 0.25% or C), nickel chrome MuGang (Ni0.7 ~ 3.0%, Cr0.4 ~ 2.0%, Mo0.2 ~ 0.6%, 0.25% or C). These kinds of strength higher than that of low carbon steel, use the lowest temperature up to-110 ℃ or so. China has developed several section of the nickel with low alloy steel temperature such as 09 Mn2V, etc. (3) (high) alloy steel. Main 6% Ni steel, steel, 36% 9% Ni Ni steel, of which 9% Ni steel is the cryogenic are widely used in steel. This kind of high nickel steel using temperature can be low to-196 ℃.

 

Austenitic steel with high low temperature of low temperature toughness, generally not toughness-brittle transition temperature. According to the alloy component is different, can be divided into three series: (1) Fe-Cr-Ni department. Mainly for the 18-8 type cr-ni stainless steel acid. This steel low temperature toughness, corrosion resistance and technology were well, already different degree applied in all kinds of cryogenic (150 ~ 269 ℃) technology. (2) the Fe-Cr-Ni-Mn and Fe-Cr-Ni-Mn-N department. This kind of steel to replace some nickel manganese, nitrogen to stable austenitic. Nitrogen and the strengthening function, make steel with high toughness and very low magnetic conductance and stable austenitic organization, applicable to ultra-low temperature for no magnets (namely material magnetic conductance small). Such as 0 Cr21Ni6Mn9N and 0 Cr16Ni22Mn9Mo2 in-269 ℃ and without magnetic structure parts. (3) Fe-Mn-Al department austenitic low temperature without magnets. China's development is the saving nickel chrome, new kinds, such as 15 Mn26Al4, such as part of the nickel chrome instead of austenitic steel, used to-196 ℃ the following extremely low temperature area. If better of this steel chemical resistance ability, still can expand their application scope.

 

Use scope low-temperature steel in liquefied petroleum gas (LPG) cryogenic separation equipment, most of the lowest temperature 110 ℃ for-use, individual equipment for-150 ℃, respectively the low alloy steels, 3 ~ 6% nickel steel or 9% nickel steel. In air separation equipment, the minimum temperature of 196 ℃-use commonly 9% nickel steel or austenitic steel at low temperature. Working temperature 253 ℃ for-the liquid hydrogen production, storage and transportation equipment, working temperature 269 ℃ for-the YeHai equipment, shall be made in the structure of the organization of the stability of the austenite low-temperature steel. And some special equipment such as superconducting magnets or HTS motors, appropriate is used in the temperature of a stable work except the austenitic organization, but also to keep a very low magnetic conductance (μ) or lower than 1.01) of steel.

 

Some high low temperature toughness of iron and nickel ni-based high-temperature alloy as A-286, Inconel718, InconelX-750, it is also used in need of high strength of low temperature equipment.
 

Introduction to Our Products:

Production equipment and steel specification, etc
My company can provide more than 350 12 categories, more than 5,000 grades, from the top quality specification group of special steel metal materials.
Smelting equipment: furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode., 0.5 tons - 40 tons), vacuum induction furnace capacity 0.5-10 tons and tons ESR 0.35 tons - 8 tons.
Pressure: forging maxhine 1200 tons - 8,000 tons, 825 type, type, type of 250 650 mill.
polishing machine machining: Φ1- Φ 300, Φ sheller Φ 180; 60 - Car light lathe than 12 meters length, diameter, deep drilling than 12 meters length than 12 meters.

Type: ordinary and ingot ingots refining ingot 0.5 tons - 25 tons. Electricity slag remelting ingot 0.35-8 tons and tons of
Size: round bar rolling material Φ 1.0-280. Forging materials Φ 80-600, Φ diameter steel (Φ1 - Φ 235) x (thickness); 0.5-40. Sheet (0.5-12) x 1000 * 2000, Medium thickness plate rolling, forging, width: experiment.it than 610, Alien: fang, flat, ring, canister, steps axis, etc.
Heat: can provide annealing, normalizing, tempering, quenching, aging, piece.modified special requirements such as heat treatment process delivery of products.

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: 10mm to 1000mm

Plate steel:0.08mm 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: φ4-410 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.

Mechanical properties

1.6217 Mechanical properties,Our production completely according to the 1.6217 standards to meet the 1.6217 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.6217 mechanical properties.

Heat treatment

1.6217 Heat treatment,Our production completely according to the 1.6217 standards to meet the 1.6217 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.6217 Heat treatment.

Machining

1.6217 Machining,Our production completely according to the 1.6217 standards to meet the 1.6217 Machining, can also according to the customer request, to meet the requirements of customers of 1.6217 Machining.

Welding performance

1.6217 Welding performance,Our production completely according to the 1.6217 standards to meet the 1.6217 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.6217 Welding performance.
 

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Mechanical Properties of steel grade 1.6217

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
963 (≥) 152 (≥) 21 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 1.6217

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
44 - -     0.32 -  
215 283 - 11.3 321   -  
753 - 23 22.2   114 342

Heat Treatment of steel grade 1.6217

Heat treated : 1565°C - 1126°C

Technological Curves of steel grade 1.6217


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