1 4401

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 main difference between AISI 316 (1.4401) stainless steel and AISI 316L (1.4404) chrome steel is the carbon content material. Due to decrease carbon amount AISI 316L (1.4404) chrome steel has lowered threat of sensitization (grain boundary carbide precipitation) but at the same time, it loses some of its power. AISI 316LN (1.4406) stainless-steel is alloyed with nitrogen to compensate for the lack of power.

Electrical Properties

Pickling of the previously brushed seam space is carried out by dipping and spraying, however, often pickling pastes or options are used. 316L is considered to be more resistant to oxidation than kind 316, especially in heat marine environments. Once again, its low levels of carbon protect it against carbon precipitation. The metallic additionally reveals resistance in extraordinarily low temperatures, even down to cryogenic ranges.

While processing solely stainless instruments like metal brushes, pneumatic picks and so on are allowed, so as to not endanger the passivation. It must be neglected to mark throughout the welding seam zone with oleigerous bolts or temperature indicating crayons. The high corrosion resistance of this stainless steel is based on the formation of a homogeneous, compact pasisve layer on the surface. Annealing colors, scales, slag residues, tramp iron, spatters and such like need to be removed, so as to not destroy the passive layer. For cleaning the surface the processes brushing, grinding, pickling or blasting (iron-free silica or glass spheres) may be utilized.

Trade Item�� EXW,FOB,CNF,CIF,CFR

• Austenitic steels only have 30% of the thermal conductivity of non-alloyed steels.
• Their fusion point is decrease than that of non-alloyed steel subsequently austenitic steels should be welded with lower heat input than non-alloyed steels.
• The use of a better alloyed filler metallic may be essential as a result of solid construction of the weld metal.
• To avoid overheating or burn-through of thinner sheets, larger welding pace has to be applied.
• When choosing the filler steel, the corrosion stress must be regarded, as well.

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

Neither of the grades can be expected to weld ‘easier’ or ‘higher’ than-the-different. Niobium stabilised fillers (welding consumables) ought to be used for welding the 1.4571, particularly where elevated temperature weld strength could also be necessary. In other circumstances a ‘316L’ filler ought to give an identical weld steel aqueous corrosion resistance to that of the ‘father or mother’ 1.4571 ‘316Ti’ materials.

Under most conditions it can be taken that the two grades are interchangeable, 316L (316S11/1.4404) being appropriate for applications the place 316Ti (320S31/1.4571) is specified. In aqueous corrosion media or environments at ambient temperatures, there isn’t a practical advantage in specifying the 316Ti sort rather than the 316L. In some circumstances the 316L (1.4404 / 1.4432) grades could also be better choices. AISI 316 (1.4401), AISI 316L (1.4404) and AISI 316LN (1.4406) are Cr-Ni-Mo austenitic stainless steels, which are commonly used as a result of their excellent corrosion resistance in numerous aggressive environments. Fusion welding efficiency for 316 stainless-steel is superb both with and without fillers.

With a welding groove width smaller zero.3mm respectively zero.1mm product thickness the usage of filler metals just isn’t neccessary. With avoiding oxidation throughout the seam floor throughout laser beam wedling by applicable backhand welding, eg. helum as inert gasoline, the welding seam is as corrosion resistant as the bottom metal.

Chemical Composition – 316l / 316ti / 316 Stainless Steel

The supplies present non-magnetic properties in gentle condition, comparatively good mechanical properties in cryogenic temperatures and good weldability not requiring further heat treatment processes. It is also necessary to notice the relatively low mechanical properties, which aren’t conducive to mechanical purposes, and the troublesome machinability of metal. The titanium atoms stabilise the construction of the 316 at temperatures over 800°C.

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