S31254 Cold Rolled Corrosion Resistant 254SMo Stainless Steel Plate for Harsh Environments

인증	ISO, AISI, ASTM
최소 주문 수량	50kg
가격	US $8.85-11.85 / kg

제품 상세 정보

모델 번호.	S31254	모양	평평한
기술	냉간 압연	표면 처리	밝은
사양	12202440, 15003000, 15006000, 20006000mm	생산능력	50000KGS
철분 함량	55.69%	크로미움 콘탠츠	20%
니켈 함량	18%	몰리브덴 함량	6.1%
질소 함량	0.20%	탄소 함량	0.010%
인장강도	680MPa	항복 강도	300 MPa
파단시 신장	50%
강조하다	S31254 Stainless Steel Plate , Cold Rolled 254SMo Plate , Corrosion Resistant Super Austenitic Stainless Steel Plate

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제품 설명

S31254 Stainless Steel Specifications F44 Plate

254SMo is an austenitic stainless steel developed for use in halide-containing environments such as seawater. This steel demonstrates superior performance particularly in halide-containing acids and features excellent resistance to uniform corrosion. With carbon content below 0.02%, it is classified as pure austenitic stainless steel, and when carbon content is below 0.01%, it qualifies as super austenitic stainless steel.

Features of Inox 254SMo

Super stainless steel represents a specialized category of high-alloy stainless steel containing elevated levels of nickel, chromium, and molybdenum. The most prominent example is 254SMo with 6% molybdenum content. This composition provides exceptional local corrosion resistance, including excellent resistance to pitting corrosion (PI ≥ 40) and stress corrosion in demanding conditions such as seawater, aeration, gaps, and low-speed scouring. These properties make 254SMo a viable alternative to nickel-based alloys and titanium alloys.

The steel exhibits superior high-temperature resistance and corrosion resistance compared to standard 304 stainless steel. Metallurgically, special stainless steels maintain a stable austenitic structure. Extensive field testing confirms that 254SMo maintains high crevice corrosion resistance in seawater, even at elevated temperatures—a characteristic shared by only a few stainless steel types.

In acidic solutions and oxidizing halide solutions used in paper bleaching applications, 254SMo demonstrates corrosion resistance comparable to the most resistant nickel-based alloys and titanium alloys. The high nitrogen content contributes to enhanced mechanical strength relative to other austenitic stainless steels, while maintaining high ductility, impact strength, and excellent weldability.

Specification

Standard Designations

Standard	UNS	Werkstoff Nr.	EN	SS	AFNOR
254 SMO	S31254	1.4529	X1CrNiMoCuN20-18-7	2378*	Z1 CNDU 20.18.06AZ*

Chemical Composition

Element	Content (%)
Iron, Fe	55.69
Chromium, Cr	20
Nickel, Ni	18
Molybdenum, Mo	6.1
Nitrogen, N	0.20
Carbon, C	0.010

Mechanical Properties

Properties	Metric	Imperial
Tensile strength	680 MPa	98600 psi
Yield strength	300 MPa	43500 psi
Modulus of elasticity	195 GPa	28300 ksi
Shear modulus	75 GPa	10900 ksi
Poisson's ratio	0.30	0.30
Elongation at break	50 %	50 %
Hardness, Brinell	210	210

254SMo Applications

Ocean: Marine structures in sea environments, seawater desalination, marine aquaculture, seawater heat exchange
Environmental Protection: Flue gas desulfurization for thermal power generation, wastewater treatment
Energy: Atomic power generation, comprehensive coal utilization, ocean wave power generation
Petrochemical Industry: Refining, chemical equipment
Food: Salt production, soy sauce brewing
High Concentration Chloride Environments: Paper industry, various bleaching devices
Other industrial applications