09CrCuSb -- Nd steel is a new type of low temperature dew point corrosion resistant steel with sulfuric acid which was jointly developed by Shanghai [SCALE STEEL]Institute of Materials and Xingcheng Special Steel (formerly Jiangyin Steel Plant) during 1987-1990.
ND steel is a low alloy structural steel. Compared with other steels such as low carbon steel, Corten, Cr1A, etc., ND steel has excellent corrosion [SCALE STEEL]resistance and mechanical properties. Material standard ①GB 150.2-2011 "Pressure vessels -- Part 2: Materials" ②NB/T 47019-2011 "boiler, heat exchanger pipe ordering technical conditions" ③SH/T 3096-2012 "High Sour Crude Oil [SCALE STEEL]Processing Equipment and Pipeline Design Material Selection Principles" Component Specification(GB 150.2-2011) C ≤0.12 Cr 0.70~1.10 Si 0.20~0.40 Cu 0.25~0.45 Mn 0.35~0.65 Sb 0.04~0.10 P ≤0.030 S ≤0.020 Mechanical Property nominal thickness (mm) strength of extension Rm(MPa) Lower yield strength ReL(MPa) elongation A(%) ≤8 390~550[SCALE STEEL] ≥245 ≥25 Corrosion Resistance In the medium temperature and concentration test of sulfuric acid, Nd steel passivation due to dissolution, the surface of the steel formed a layer rich in Cu, Cr, Sb (antimony, sound: tī) and other alloy elements of the passivation [SCALE STEEL]layer, and has a high sulfuric acid corrosion resistance. ▽Corrosion Rate Comparison between ND Steel and Other Steels (70℃-50%H2SO4 Solution) type of steel corrosion rate mg/(cm2h) multiple ND 7.3 1 A3 103.5 14.18 Cast 63 8.63 CR1A 13.4 1.84 321 21.7 2.97 S-TEN 27.4[SCALE STEEL] 3.75 For corrosion resistance, GB 150.2-2011 stipulates that corrosion resista 430 is the representative of ferritic stainless steel, the density of 7.75g/cm3.Steel is widely used, second only to 304.The composition is [SCALE STEEL]characterized by high chromium and nickel free.
National Standard CHINA GB/T 20878-2007 10Cr17(原1Cr17) AMERICA ASTM A240 / A240M - 16a ASTM A276 / A276M - 17 S43000 430 JAPAN JIS G 4303:2012 JIS G 4304:2012 SUS430 GERMANY DIN EN 10088-1-2005 X6Cr17 1.4016[SCALE STEEL] Component Specification GRADE 10Cr17 430 SUS430 1.4016 C ≤0.12 ≤0.12 ≤0.12 ≤0.08 Si ≤1.00 ≤1.00 ≤0.75 ≤1.00 Mn ≤1.00 ≤1.00 ≤1.00 ≤1.00 P ≤0.040 ≤0.040 ≤0.040 ≤0.040 S ≤0.030 ≤0.030 ≤0.030 ≤0.015b Cr 16.0~18.0 16.0~18.0 16.0~18.0 16.0~18.0 Ni (≤0.60) ≤0.75a (≤0.60) -- A. Astm A276 bar profile standard, it is stipulated that this steel does not contain Ni element. B. For bars, wires, profiles, bright [SCALE STEEL]products and related semi-finished products, the maximum sulfur content is 0.030%. The Performance Characteristics Of: (1) Good corrosion resistance, corrosion resistance of general atmosphere and a variety of media. (2) Low work hardening rate, easy to bend and forming processing. (3) Good mechanical properties, [SCALE STEEL]high temperature resistance and oxidation resistance up to 816℃. (4) through the appropriate processing, such as bright annealing, mirror processing, can obtain a good surface and improve the corrosion resistance. (5) poor weldability.Proper heat treatment shall be carried out before and after welding. (6) Not adding nickel and molybdenum and [SCALE STEEL]other precious alloys, with cost advantages. Applications: 430 is a more economical choice than 304, steel has a series of advantages, low thermal expansion rate, excellent formability and [SCALE STEEL]oxidation resistance, more used in general atmosphere or mildly corrosive environment, such as kitchen POTS, household appliances, automotive interior and exterior decoration, architectural decoration, etc.. 1Cr12Ni3MoVN (S/SJ2) is martensitic heat resistant steel, which is imported from Rolls-Royce Company in China.The vacuum-smelted [SCALE STEEL]1Cr12Ni3MoVNA is codenamed S/SJV.
S/SJ2 steel is 12%Cr type low carbon martensitic heat resistant steel.Adding Mo, V and N to steel can improve the high temperature[SCALE STEEL] performance of steel.The addition of Ni to steel is mainly used to equalize δ-phase free ferrite. Component Specification(WS9-6503-96) C 0.08~0.13 Cr 11.00~12.50 Si ≤0.35 Ni 2.00~3.00 Mn 0.50~0.90 Mo 1.50~2.00 P ≤0.030 V 0.25~0.40 S ≤0.020 N 0.020~0.040 The performance characteristics of: S/SJ2 is similar to China's GX-8, mainly having the following three characteristics: (1) It has obvious tempering brittleness [SCALE STEEL]zone: 450~550℃. (2) It has good comprehensive properties: plasticity, fatigue performance, endurance performance, creep performance, corrosion resistance, weldability and formability. Considering the metallographic structure, the steel is already on the martensitic-ferrite boundary. Therefore, the increase of any ferrite forming element will obviously affect the ferrite content in the steel, and have a bad effect on[SCALE STEEL] the mechanical properties of the steel. Applications: S/SJ2 is usually in service at a temperature of about 500℃. It is used to manufacture high pressure casing, inlet casing, combustion chamber casing, diffusion casing, exhaust mixer, mounting edge, support seat, [SCALE STEEL]high pressure 1~2 static blades and other components of Spey engine. 0Cr16Ni6 is a precipitation-hardened stainless steel with controlled phase transition.The steel has austenite and martensite structure after solid solution treatment when cold to room temperature, and has good hot working property and cold deformation.[SCALE STEEL] It is transformed into martensite structure through cold treatment or cold deformation, and then gets high strength after aging treatment.
Component Specification(C1J15-1990) C 0.05~0.09 Cr 15.00~17.00 Ti ≤0.05 Si 0.30~0.80 Ni 5.00~7.50 N ≤0.10 Mn 0.30~0.80 P ≤0.030[SCALE STEEL] S ≤0.020 Heat treatment system (C1J15-1990) ① Solid solution treatment (1000±10℃×30min, < 30℃ water cooling); ② cryogenic treatment (-70~-80℃×2h); ③ Tempering (420±10℃×1h), air cooling. The hardness after the whole [SCALE STEEL]heat treatment: room temperature HRC40~48. The performance USES: 0Cr16Ni6 notch sensitivity is low, is not sensitive to hydrogen embrittlement, and has good stress corrosion resistance;It has stable oxidation resistance in the air medium below 420℃ and in the atmosphere of aviation fuel [SCALE STEEL]combustion products.It is mainly used to manufacture aircraft and engine stress components working below 450℃ and other important parts working in atmosphere, acetic acid and salt medium. 3Cr17Ni7Mo2N, austenitic stainless steel, codename 318, was developed in 1968 by Shanghai Research Institute of Materials, Shanghai No. 5 Iron and Steel Works, Chongqing Steel Works, Sichuan Petroleum Management and Design Institute [SCALE STEEL]jointly for the Sichuan gas field natural gas contains more hydrogen sulfide, which causes serious corrosion to the equipment.
Component Specification C 0.22~0.30 Cr 16.00~18.00 Ni 6.00~8.00 Si 0.80~1.60 P ≤0.035 Mo 2.00~2.50 Mn ≤1.00 S ≤0.30[SCALE STEEL] N 0.15~0.22 Mechanical Property solution heat treatment 1130℃±10℃, holding for 2h, water quenching strength of extension MPa ≥785 yield MPa ≥420 percentage elongation after fracture % ≥35 reduction of area% ≥40 hardness HRC ≤24 Material performance: is a low cost material developed for hydrogen sulfide corrosion resistance. It can resist hydrogen sulfide uniform corrosion, sulfide stress cracking resistance, hydrogen embrittlement resistance, pitting resistance, reducing [SCALE STEEL]medium corrosion resistance. Applications: The 318 is typically used to manufacture sulfur [SCALE STEEL]resistant wellheads, valves, stems, and fasteners for applications where H2S partial pressures exceed 1MPa. 06Cr13, the American standard 410S, is the lowest carbon content in the Cr13 martensitic stainless steel.Due to the microstructure of[SCALE STEEL] the matrix under annealing condition, it is also classified as ferritic stainless steel in a few standards.
Standard Control CHINA GB/T 20878-2007 S41008 06Cr13 (0Cr13) GB/T 24511-2009 S11306 AMERICA ASTM A240-15a S41008,410S JAPAN JIS G 4304:2005 SUS410S GERMANY DIN EN 10088-2:1995[SCALE STEEL] X6Cr13,1.4000 Component Specification GRADE 06Cr13* 410S SUS410S 1.4000 C ≤0.08 ≤0.08 ≤0.08 ≤0.08 Si ≤1.00 ≤1.00 ≤1.00 ≤1.00 Mn ≤1.00 ≤1.00[SCALE STEEL] ≤1.00 ≤1.00 P ≤0.040 ≤0.040 ≤0.040 ≤0.040 S ≤0.030 ≤0.030 ≤0.030 ≤0.015 Cr 11.5~13.5 11.5~13.5 11.5~13.5 12.0~14.0 Ni (≤0.60) ≤0.60 (≤0.60) -- *:S41008 is listed in the table, while S11306 is slightly different in composition. Mechanical Property Density(g/cm3)20℃[SCALE STEEL] 7.75 Specific heat [kJ/(kg·K)] 0~100℃ 0.46 Heat conductivity [W/(m·K)] 100℃ 25.0 coefficient of linear expansion(10-6/K) 0~100℃ 10.6 0~500℃ 12.0 specific resistance(Ω·mm2/m)20℃ 0.60 longitudinal modulus of elasticity(kN/mm2)20℃ 220 magnetism Y Mechanical Property Dimensions of sample hairs(mm) ≤75 heat treating regime anneal[SCALE STEEL] 800 ~ 900 ℃ slow cooling Or about 750℃ fast cooling quench 950 ~ 1000 ℃ cold oil temper 700~750℃cold oil Mechanical properties (quenching + tempering) Specified non-proportionality Extension strength MPa ≥345 strength of extension MPa ≥490 Percentage elongation after fracture % ≥24 Percentagereduction of area; reduction of area ≥60 The hardness of delivery HBW anneal ≤183 Material Characteristics: (1) The corrosion resistance and corrosion resistance are similar to 1Cr13 (410) and better, in low concentration of mild organic and [SCALE STEEL]inorganic acid, alkali and some chemical conditions have corrosion resistance. (2) Good oxidation resistance, sustainable use in 705℃ environment. (3) good plastic toughness, easy to be formed by rotation, bending and rolling. (4) It can be welded by common fusion and resistance technology. Applications: The main product form [SCALE STEEL]is plate, used for structural parts such as automobile muffler and exhaust system components, but also widely used in containers, heat exchangers, underground pipes, etc. 1Cr13 (410) stainless steel is one of the representative of martensitic stainless steel.Martensitic stainless steels are stainless steels [SCALE STEEL]whose strength and properties can be improved by heat treatment.
Standard Control CHINA GB/T 20878-2007 12Cr13(1Cr13) AMERICA ASTM A240-2015a S41000,410 JAPAN JIS G 4303:2005 SUS410 GERMANY EN 10088-1:2005[SCALE STEEL] X12C13,1.4006 Component Specification GRADE 12Cr13 410 SUS410 1.4006 C ≤0.15 0.08~0.15 ≤0.15 0.08~0.15 Si ≤1.00 ≤1.00 ≤1.00 ≤1.00 Mn ≤1.00 ≤1.00 ≤1.00 ≤1.50 P ≤0.040 ≤0.040 ≤0.040 ≤0.040 S ≤0.030 ≤0.030 ≤0.030 ≤0.030 Cr 11.5~13.5 11.5~13.5 11.5~13.5 11.5~13.5 Ni (≤0.60) ≤0.75[SCALE STEEL] (≤0.60) ≤0.75 Mechanical Property density(g/cm3)20℃ 7.70 Melting point (℃) 1480~1530 Specific heat [kJ/(kg·K)] 0~100℃ 0.46 Heat conductivity [W/(m·K)][SCALE STEEL] 100℃ 24.2 500℃ 28.9 coefficient of linear expansion(10-6/K) 0~100℃ 11.0 0~500℃ 11.7 specific resistance(Ω·mm2/m)20℃ 0.57 longitudinal modulus of elasticity(kN/mm2)20℃ 200 magnetism Y Mechanical Property Dimensions of sample hairs(mm) ≤75 heat treating regime anneal[SCALE STEEL] 800 ~ 900 ℃slow cooling Or about 750℃ fast cooling quench 950~1000℃ cold oil temper 700~750℃cold oil Mechanical properties (quenching+tempering) Specified non-proportionality Extension strength MPa ≥345 strength of extension MPa ≥540 Percentage elongation after fracture % ≥22 Percentagereduction of area; reduction of area % ≥55 Impact absorption work J ≥78 The hardness of delivery HBW anneal ≤200 Quenching + tempering ≥159 Material characteristics: As a martensitic stainless steel, 1Cr13 also obtains high strength and good toughness through quenching and tempering at high temperature.Bensteel is usually compared with 2Cr13, 3Cr13, 4Cr13, is the lowest carbon content [SCALE STEEL]in the four grades, so the strength is the lowest, and the best plastic toughness. Applications: As a low cost stainless steel, 1Cr13 is widely used in machinery manufacturing. It is usually used to manufacture oxidation resistant components below 800℃, such as gas turbine blades, mechanical parts of various pumps, shafts and [SCALE STEEL]pull rods of steam equipment, etc.Because of its good corrosion resistance, it is also used as a cutting tool. Alloy 926 is a super austenitic stainless steel with a density of 8.1g/cm3.The alloy maintains good corrosion resistance in harsh environments such as high temperature, seawater or flue gas desulfurization equipment.The performance data [SCALE STEEL]is better than 316, 317, 904L and 2205.In some cases, it can be compared with Hastelloy alloy and titanium plate. It is a kind of high economic stainless steel with high corrosion resistance.
Standard Control AMERICA ASTM A240-15a ASTM B625-05 UNS N08926 GERMANY EN 10088-1:2005[SCALE STEEL] X1NiCrMoCuN25-20-7 1.4529 Component Specification GRADE N08926 1.4529 C ≤0.020 ≤0.020 Si ≤0.50 ≤0.50 Mn ≤2.00 ≤1.00 P ≤0.030 ≤0.030 S ≤0.010 ≤0.010 Ni 24.00~26.00 24.00~26.00 Cr 19.00~21.00 19.00~21.00 Mo 6.0~7.0 6.0~7.0 Cu 0.5~1.5 0.5~1.5 N 0.15~0.25[SCALE STEEL] 0.15~0.25 Commercial Brand Special Metals INCOLOY® alloy 25-6MO Nippon Yakin NAS 255NM VDM Metals VDM® Alloy 926 Cronifer 1925 hMo Outokumpu Ultra 6XN Industeel UR™ 926 BÖHLER Edelstahl[SCALE STEEL] A970 Sandvik SANICRO 26MO Material performance: ① Because of the high content of chromium and molybdenum, it has excellent pitting resistance and gap corrosion resistance in the environment of high concentration of chloride ion. ② In the environment of SUS329J4L pitting [SCALE STEEL]corrosion, clearance corrosion and other problems, 926 can also play its excellent characteristics. ③ Because it is austenitic metallographic organization, it has high ductility, toughness and good processability. Applications: Seawater environment: seawater desalination device, seawater heat exchanger, condenser tube, etc.High concentration of chloride ion [SCALE STEEL]environment: flue gas desulfurization device, pulp and paper industry, all kinds of bleaching device;Environment containing high concentration of salt: resin manufacturing equipment, chemical reaction containers, pipelines, etc. 0Cr18SiAl is a kind of ferritic stainless steel with high silicon and high aluminum. The main product form is seamless tube.Compared with the 18-8 type austenitic stainless steel pipe, it has excellent stress corrosion crack resistance. At high [SCALE STEEL]temperature, it not only has superior oxidation resistance, but also has superior corrosion resistance in sulfur and hydrogen sulfide environment.
Component Specification C ≤0.06 Cr 16.00~25.00 Si 0.5~2.0 Al 0.50~2.00 Mn ≤0.60 Ni ≤0.60 P ≤0.030 Cu ≤0.30 S ≤0.030 Ti[SCALE STEEL] ≤0.30 N ≤0.030 Fe --- Alloy principle: 0Cr18SiAl adds high silicon and high aluminum elements to the Cr18 type ferritic stainless steel, which improves the high temperature oxidation resistance of the steel, and has a good corrosion resistance in the environment of chloride ion, sulfur and hydrogen sulfide.The trace element titanium (niobium) is added to refine the grain of steel.Due to the content of silicon and aluminum in steel, it is very difficult for the pipe making process. In order to solve this problem, a method of temperature control processing [SCALE STEEL]seamless steel tube is adopted. Material characteristics: ①0Cr18SiAl ferritic heat-resistant stainless steel is an economical stainless steel with low cost. ② The 0Cr18SiAl ferritic heat-resistant stainless steel not only has good corrosion resistance in sulfur and hydrogen sulfide atmosphere, but also has high temperature oxidation resistance. ③0Cr18SiAl steel tube has excellent stress corrosion resistance. ④ The welding performance of 0Cr18SiAl steel pipe is excellent. Applications: 0Cr18SiAl steel tube can be used for heat exchange tube bundle of various furnace pits, especially for heat exchanger tube bundle[SCALE STEEL] of high temperature section.It can also be used for tower bottom heat exchangers with high temperature sulfur corrosion in oil refining units.In the process of use, a large area of 1Cr18Ni9Ti steel falls block, but 0Cr18SiAl steel does not have this problem, the life of 1Cr18Ni9Ti steel is 1.5~2.0 times longer. 1.4003, S40977, 022 Cr12ni T4003Railway Freight Car Body In Ferritic Stainless Steel- SCALE STEEL.3/4/2021
T4003, equivalent to the European standard 1.4003, is a practical ferritic stainless stee l, often used in place of low carbon steel. Around 2008, [SCALE STEEL]TICO introduced and developed this brand for C80B stainless steel heavy load coal trains.
Standard Control CHINA GB/T 20878-2007 GB/T 3280-2015 GB/T 4237-2015 022Cr12Ni Ministry of Railways、TISCO T4003 AMERICA ASTM A240-15a[SCALE STEEL] S40977 GERMANY DIN EN 10088-1:2005 X2CrNi12 1.4003 Component Specification GRADE 1.4003 S40977 022Cr12Ni T4003 C ≤0.030 ≤0.030 Si ≤1.00 ≤1.00 Mn ≤1.50 1.00~2.50 P ≤0.040 ≤0.040 S ≤0.015 ≤0.015 Cr 10.5~12.5[SCALE STEEL] 11.0~13.0 Ni 0.30~1.00 0.60~1.00 N ≤0.030 ≤0.025 Ti -- 8C~0.35 Mechanical Property Rp0.2 (MPa) Rm (MPa) A (%) HARDNESS HBW ≥350 ≥480 ≥20 ≤250 COLD BEND 180°d=2a -40℃AKV(J) --[SCALE STEEL] ≥34* THK≥6mm. Material Characteristics: The T4003 offers a range of benefits of ferritic stainless steels such as strength, corrosion and wear resistance, weldability, formability, good durability [SCALE STEEL]and lower maintenance. Applications: In China,T4003 is mainly used for railway freight car body, the product form is plate coil, TISCO's market share accounts for more than 90%.As a good low cost stainless steel solution, the T4003 is also used in sweeps, gravel vehicles, tanks, [SCALE STEEL]chimney pipes, staircases, railings, etc. |
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April 2024
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