Duplex 2507 Stainless Steel Strip Coil Mill Finish 0.05mm Heat Treatment

Mill Finish Duplex Inox 2507 0.05mm Duplex Stainless Steel Strip Coil

Standards

ASTM/ASME:A240 - UNS S32750
EURONORM:1.4410 - X2 Cr Ni MoN 25.7.4
AFNOR:Z3 CN 25.06 Az
DIN/EN 1.4410,ASME SA-240

Duplex 2507 (UNS S32750) is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. The high chromium, molybdenum, and nickel levels provide excellent resistance to pitting, crevice, and general corrosion.

1. Products Details

WUXI XINFUTIAN METAL PRODUCTS CO., LTD inventory now includes Duplex 2507, which is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel. This alloy is designed for applications which require exceptional strength and corrosion resistance; examples include applications in chemical processing, petrochemical, and seawater equipment. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity and a low coefficient of thermal expansion. The high chromium, molybdenum, and nickel levels provide excellent resistance to pitting, crevice, and general corrosion.

2. Chemical Properties

Mechanical Properties

1. 2507 duplex stainless steel pipe mechanical properties at room temperature

Pipe:thickness≤20mm ；δb/MPa:800-1000 ,δ0.2/MPa:≥550 ,δ5/%:≥25 ,(HV):290

2. 2507 duplex stainless steel plate in the mechanical properties of room temperature of -200 ℃ :

/℃ δb/MPa
Room Temperature ≥530
Sheet 100 ≥450
200 ≥400

3. Mechanical properties of 2507 large-diameter seamless tube

Dia*thickness δb/MPa δ0.2/MPa δ5/% (HV)
273.0mm×4.19mm 894 644 40 284
323.9mm×4.57mm 858 662 45 270
406.4mm×4.74mm 854 657 41 272

3. Corrosion

General Corrosion
1). high chromium and molybdenum content of 2507 makes it extremely resistant to uniform corrosion by organic acids like formic and acetic acid.
2). provides excellent resistance to inorganic acids, especially those containing chlorides.
3). can be used in dilute hydrochloric acid.
4). Pitting need not be a risk in the zone below the borderline in this figure, but crevices must be avoided.

Intergranural Corrosion
1). Low carbon content greatly lowers the risk of carbide precipitation at the grain boundaries during heat treatment.
2). Is highly resistant to carbide-related intergranular corrosion.

Stress Corrosion Cracking
1). Duplex structure of 2507 provides excellent resistance to chloride stress corrosion cracking (SCC).
2). Superior to 2205 in corrosion resistance and strength.
3). 2507 is especially useful in offshore oil and gas applications and in wells with either naturally high brine levels or where brine has been injected to enhance recovery.

Pitting Corrosion
1). Different testing methods can be used to establish the pitting resistance of steels in chloride-containing solutions.

Crevice Corrosion
1). Highly resistant to crevice corrosion.

4. Processing

Hot forming
2507 should be hot worked between 1875°F and 2250°F. This should be followed by a solution anneal at 1925°F minimum and a rapid air or water quench.

Cold Forming
Most of the common stainless steel forming methods can be used for cold working 2507. The alloy has a higher yield strength and lower ductility than the austenitic steels so fabricators may find that higher forming forces, increased radius of bending, and increased allowance for springback are necessary. Deep drawing, stretch forming, and similar processes are more difficult to perform on 2507 than on an austenitic stainless steel. When forming requires more than 10% cold deformation, a solution anneal and quench are recommended.

5. Payment ,Shipping

Shipping:
Standard export package with water proof paper, and metal pallet, and angle bar protection, and steel strip or as required

20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM, 23MTS

40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM, 27MTS

40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM, 27MTS

WUXI XINFUTIAN METAL PRODUCTS CO.,LTD is a professional company for Stainless steel products production, processing and sales which has experienced over ten years of development. We are located in WUXI, close to Shanghai (BAO STEEL),Zhangjiagang (ZPSS),Ningbo (BAO XIN),enjoying excellent geographic location and convenient water, land and air transportation.

The company has modern professional metal processing machines of which the 90% are imported from Japan and Germany. Such as Water Jet machine,Cold/Hot Rolled production line,laser cutting machine,hailrine machine which can provide cutting ,slitting ,polished ,OEM and ODM service for our clients.

Our company presist to the spirit of "Integrity,Pragmatic,High quality,First-class”, providing customers with the most satisfactory service .

Our company has a various range of products including stainless steel sheet and coil,pipe,profiles etc. We are the autorized dealers of BAOSTEEL ,BAOXIN,ZPSS,TISCO etc.Our long-term business lines are 201,202,304(1.4301),304L,316,316L(1.4404),430,409L,309S, 310S(1.4845),317L,904L,2205,2507.

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