100% AOD refining process 2205 329 1.4460 duplex steel ss bar for high pressure storage tanks

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Overview
Quick Details
Standard:
ASTM, AISI, DIN, EN, GB, JIS, ASTM A276-06
Grade:
Duplex alloy, UNS S31803
Place of Origin:
Jiangsu, China (Mainland)
Brand Name:
TPINOX
Model Number:
2205
Type:
Round, 2205
Application:
Chemical process components
Shape:
Round
Certification:
ISO
Special Use:
Valve Steels
Material:
ferritic/austenitic stainless steel
Density:
0.278 lb/inch3
Melting Point:
2525- 2630°F
Poisson's Ratio:
0.3
Finish:
Hot finished or cold finished
Features:
high strength and excellent corrosion resistance
Bar Finish:
Peeled, Turned Centreless Ground.
Dimensions:
3.0-800mm
Supply Ability
Supply Ability:
200 Ton/Tons per Week
Packaging & Delivery
Packaging Details
Standard seaworthy packing(plastic& wooden) or according to the customer' s requests.
EACH BUNDLE WEIGHT:1.0 MT - Max.
MARKING/LABELLING ON PACKAGING:Yes.
20 ft container - GP: 5.8m (Length) * 2.13m (Width) * 2.18m (Hight) ------ Max Gross Weight: 25MT/container.
40 ft container - GP: 11.8m (Length) * 2.13m (Width) * 2.18m (Hight) ------ Max Gross Weight: 27MT/container.
40 ft container - HG: 11.8m (Length) * 2.13m (Width) * 2.72m (Hight) ------ Max Gross Weight: 27MT/container.
Port
Shanghai
Lead Time :
7-15days
Product Details

Grade 2205 UNS S31803 duplex stainless steel alloy bar peeled finish ASTM A276 standard

Duplex 2205 duplex stainless steel alloy is 22% chromium, 2.5% molybdenum, and 4.5% of nickel, nitrogen alloyed stainless steel. 2205 is characterised by:
1.high mechanical strength – roughly twice the proof strength of austenitic stainless steels.
2.physical properties that offer design advantages.
3.good weldability.
4.high resistance to stress corrosion cracking in chloride-bearing environments and in environments containing hydrogen sulphide.
5.high resistance to general corrosion, pitting and crevice corrosion.
6.high resistance to erosion corrosion and corrosion fatigue.

Chemical Requirment
Grade&Standard

Composition,% max
C
Si
Mn
P
S
Cr
Ni
Mo
N
2205 
ASTM A240
0.03
1.0
2.0
0.03
0.03
22-23
4.5-6.5
3-3.5
0.14-0.2
UNS S31803
ASTM A790
0.03
1.0
2.0
0.03
0.03
21-23
4.5-6.5
2.5-3.5
0.08-0.2
F51
ASTM A182
0.03
1.0
2.0
0.03
0.03
21-23
4.5-6.5
2.5-3.5
0.08-0.2

1.4462
0.03
1.0
2.0
0.035
0.015
21-23
4.5-6.5
2.5-3.5

0.1-0.22

Products Standards:
Seamless and welded pipe ASTM790
Flanges and valves ASTM182
Fittings ASTM182;A815

Plate,sheet ,strips ASTM A240 ;EN10088-2*

Bars ,shapes ASTM A276 ;EN10088-3*

*According to EN10088,valid for sheet/plate,strips,semi-finished products,bars,rods and section for geneal purposes(not for pressure purposes).

Mechanical Requirments

Tensile Strength(MPa)
min.
Yield Strength 0.2% Proof(MPa) min.
Elongation (%in 50mm)
min.
Hardness Brinell(HB)
HRC

620 MPA
450MPA
25
293 max
31max
90 ksi
65 ksi
25
293 max
31 max

Bending:

Cold bending will be extremely difficult due to the high yield strength. Any cold working causing more than 10% deformation should be followed by annealing.

Hot bending should be performed at 950oC - 1000oC followed by annealing.

Product Introduction
Introduction:

2205 is a (two phase) ferritic/austenitic stainless steel with high strength and excellent corrosion resistance, as supplied in the annealed condition with a maximum brinell hardness of 290 (Rc31).Characterised by high yield strength, double that of the standard austenitic stainless steel grades, good fatigue strength plus excellent resistance to stress corrosion cracking, crevice, pitting, erosion and general corrosion in severe environments. Again generally out performing the standard austenitic stainless steel grades. 2205 cannot be hardened by thermal treatment, but strength and hardness can be increased substantially by cold working, with subsequent reduction in ductility.It is used extensively by the Marine, Chemical, Petrochemical, Pulp and Paper, Oil and Gas, Transport and allied processing industries.
Typical uses are: Anchor Guides, Conveyors, Fasteners, Bushings, High Strength Pump Shafts, Propellor Shafts, plus various applications currently using standard austenitic stainless steel grades.

Applications:
Typical applications of grade 2205 Duplex stainless steels include the following:
1).Pressure vessels, high pressure storage tanks, high pressure piping, heat exchangers (chemical processing industry).
2).Oil and gas pipelines, heat exchangers, pipe fittings.
3).Sewage treatment systems.
4).Pulp and paper industry classification, bleaching equipment, and stock-handling system.
5).High strength corrosion environment rotary shaft, press rolls, blades, impeller.
6).Ship or truck cargo box
7).Food processing equipment

Related Specifications

Grade
UNS No
Old British
Euronorm
Swedish
Japanese
BS
EN
NO
NAME
SS
JIS
2205
S31803
/
/
1.4462
X2CrNiMoN 22-5-3
2377
SUS329J3L

Related Specifications:

ASME SA 182, ASME SA 240, ASME SA 479, ASME SA 789, ASME SA 789 Section IV Code Case 2603

ASTM A 240, ASTM A 276 Condition A, ASTM A 276 Condition S, ASTM A 479, ASTM A 790

NACE MR0175/ISO 15156, NORSOK MDS D45 Grade F51, UNS S31803

UNS S32205
W. NR./EN 1.4462

Product Processing
Product Packing
Product Details Show

Annealing:

Heat to 1020oC - 1100oC. Hold until temperature is uniform throughout the section. *Soak as required.Quench in water to obtain optimum corrosion resistance. *Actual soaking time should be long enough to ensure that the part is heated thoroughly throughout its section to the required temperature, 30 minutes per 25mm of section may be used as a guide.Please consult your heat treater for best results.

Forging:

Heat uniformly to 1150oC. Hold until temperature is uniform throughout the section.Do not forge below 900oC. Finished forgings should be air cooled.Finally forgings will require to be annealed in order to obtain optimum mechanical properties and corrosion resistance.

Machining:

The machinability of 2205 in the annealed as supplied condition is lower than either 304 and 316 due to it's higher yield strength (approximately double).Typically 80% as machinable as the standard 304 and 316 grades, but lower against the improved machinability 304 and 316 grades. N.B. All machining should be carried out as per machine manufacturers recommendations for suitable tool type, feeds and speeds. 

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Contact us:

WUXI TP INOX CO.,LTD
Address::No.403,East Steel Market.,Dongbeitang Town Wuxi City,Jiangsu Province,China(PC214191)
Phone :+86-510-83631805
Fax :+86-510-83631827
Mobile:+86-15261581385   +86 15216579158( Whatsapp)

 www.tpinox.com       

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