Stainless Steel

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.

The formation of sigma part is most probably to happen when the cooling rate during manufacture or welding just isn’t fast sufficient. The extra extremely alloyed the steel, the upper the likelihood of sigma phase formation.

475 diploma embrittlement is because of the formation of a phase referred to as α′ (alpha prime). Although the worst temperature is 475 deg C, it can nonetheless kind at temperatures as low as 300 deg C. This leads to a limitation on the utmost service temperature for duplex steels.

As an instance, machining of 2205 is around 20% slower than for 304. This grade has a good resistance against pitting and stress corrosion cracking. Unique mixture of corrosion resistance, resistance to emphasize corrosion cracking , excessive tensile and yield strength.

Process Information

• Unlike austenitic steels duplex steels exhibit a ductile-brittle transition within the impression test.
• At the opposite end of the dimensions, there’s a restriction on the low temperature use of duplex stainless steels compared to austenitic grades.
• A typical take a look at temperature is minus forty six deg C for offshore oil and gasoline functions.

Standard��ASTM,AISI,SUS,JIS,EN,DIN,GB,ASME,ETC

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

At the other finish of the size, there is a restriction on the low temperature use of duplex stainless steels in comparison with austenitic grades. Unlike austenitic steels duplex steels exhibit a ductile-brittle transition in the impact test. A typical test temperature is minus 46 deg C for offshore oil and gas purposes. Minus 80 deg C is the bottom temperature that’s usually encountered for duplex steels.

However, it is only within the final 30 years that duplex steels have begun to “take off” in a major method. This is principally as a result of advances in steelmaking techniques significantly with respect to manage of nitrogen content material. Although machinable, the excessive strengths of duplex stainless steels makes machining tough.

To perceive how duplex steels work, first examine the composition of two acquainted steels austenitic 304 (1.4301) and ferritic 430 (1.4016). Reliable long lasting and at par with worldwide quality and security norms. Duplex steels are additionally magnetic, a property that can be utilized to easily differentiate them from widespread austenitic grades of stainless. The stainless steel wire has a variety of general purposes.

The recommended filler materials for 2205 stainless steel is 2209. At low temperatures duplex stainless steels have better ductility than the ferritic and martensitic grades. Duplex grades can readily be used down to at least -50°C. Duplex stainless steels are generally, more durable than ferritic stainless steels. Strengths of duplex stainless steels can in some instances be double that for austenitic stainless steels.

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