1.4404 materials grade
We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.
Content
Alloy 254, is a high alloy austenitic stainless-steel equipped in the hot worked and annealed condition. Significant additions of Mo, Ni and Cu offers this alloy an excellent resistance to pitting and crevice corrosion, especially in environments containing halide ions e.g. chloride, bromide and fluoride solutions. Alloy 316L is an austenitic stainless steel equipped within the scorching worked and annealed condition. The addition of Mo offers the product with much improved corrosion resistance compared with Alloy 304, notably with respect to pitting and crevice corrosion in chloride environments. Alloy 2205 is a 22% Cr duplex stainless steel, supplied in the solution annealed condition.
Precipitation strengthening means that no further heat therapy is necessary to make it one of the highest strength copper alloys commercially available. Being a cupronickel, it has wonderful resistance to corrosion by seawater and in marine and industrial atmospheres and it is highly proof against crevice corrosion.
Which is better 304 or 316 stainless steel?
Material to UNS S32750 is described as a super duplex stainless steel with a microstructure of 50:50 austenite and ferrite. The steel combines high mechanical strength (typically up to 570 MPa yield strength) and good ductility with outstanding corrosion resistance in marine environments.
Through additions of chromium, molybdenum and nitrogen localized corrosion such as pitting and crevice attack are improved. Alloy 718 is a excessive-energy, corrosion-resistant nickel chromium alloy equipped in the scorching worked, answer annealed and age hardened condition. The addition of Nb, Ti, Al and Ni kind a sequence of precipitates during the controlled answer annealing and ageing process steps, leading to a major improve in energy and hardness. Alloy 625 is a nickel-chromium-molybdenum-niobium alloy (NiCr22Mo9Nb), provided within the scorching worked and annealed condition.
Stock Thickness: 0.1-200.0mm
Production thickness: 0.5.0-200mm
Width: 600-3900mm
Length: 1000-12000mm
Grade:
200 series: 201,202
300 series: 301,304,304L,304H,309,309S,310S,316L,316Ti,321,321H,330
400 series: 409,409l,410,420J1,420J2,430,436,439,440A/B/C
Duplex: 329,2205,2507,904L,2304
Surface: No.1,1D,2D,2B,NO.4/4K/hairline,satin,6k,BA,mirror/8K
- Duplex 2507 is an excellent duplex chrome steel designed for functions which demand distinctive energy and corrosion resistance.
- It presents wonderful corrosion resistance in all kinds of corrosive chemical substances together with sulphuric, nitric and phosphoric acid, seawater and other chloride containing environments.
- It achieves higher strengths than different different corrosion resistant alloys, offering the potential to cut back section dimension and due to this fact weight and value.
- Ferralium® 255 is an excellent duplex chrome steel equipped within the scorching worked, annealed and pickled situation.
- Ferralium® 255 is an excellent duplex stainless-steel equipped in the cold finished and annealed condition.
Alloy 825 is a nickel-iron-chromium alloy with additions of molybdenum, copper and titanium (NiCr21Mo), equipped within the sizzling worked and annealed condition. Hiduron® a hundred thirty is a excessive-power cupronickel supplied within the sizzling worked situation.
Sandvik Saf 2507® Super-duplex Stainless Steel
Compared to austenitic stainless steels, Sandvik SAF 2507® has a higher proof and tensile power. This have to be saved in thoughts when increasing tubes into tubesheets.
Duplex 2507 is a brilliant duplex stainless-steel designed for purposes which demand distinctive strength and corrosion resistance. Ferralium® 255 is an excellent duplex stainless steel provided within the cold completed and annealed situation. It presents wonderful corrosion resistance in a wide variety of corrosive chemical substances including sulphuric, nitric and phosphoric acid, seawater and other chloride containing environments. Ferralium® 255 is a brilliant duplex chrome steel provided in the hot worked, annealed and pickled condition.
What Are The Chloride Limits For Duplex Stainless Steel?
Heat therapy ought to be carried out by solution annealing (See under Heat treatment) or resistance annealing. Hydrogen diffuses much faster within the ferrite part than in the austenite section. Therefore, ferritic steels and ferrite containing steels, e.g. tremendous duplex stainless steels, are extra prone to HISC than austenitic stainless steels. A excessive mechanical stress increases the risk of HISC by growing the hydrogen diffusion price, crack initiation and propagation in the materials.
We have thousands tons stock of stainless steel sheet and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.
Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean