The Difference Between 304 And 316 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.

It is essentially the most versatile and most widely used stainless steel obtainable, despite the fact that a variety of alternatives can be found; and has excellent forming and welding traits. The balanced austenitic construction of Grade 304 allows it to be severely deep drawn with out intermediate annealing. This implies that this grade steel is dominant in the manufacture of drawn stainless components such as sinks, hole-ware and saucepans. For these purposes, it is common to make use of particular “304DDQ” (Deep Drawing Quality) variants. Grade 304 may be readily braked or roll-fashioned into a variety of elements for applications in the industrial, architectural, and transportation fields.

It accommodates between sixteen and 24 p.c chromium and up to 35 % nickel, in addition to small quantities of carbon and manganese. Grade 304L, the low carbon model of 304, doesn’t require submit-weld annealing and is therefore extensively used in heavy gauge elements (over about 6mm). Grade 304H with its larger carbon content is utilized in applications at elevated temperatures.

304H, a excessive carbon content material variant, can be obtainable to be used at high temperatures. It is non-magnetic within the annealed condition and never hardenable by heat therapy. Both hardness and tensile power could be increased by chilly working, which can cause slight magnetism. The dual licensed 304/304L meets specifications for both 304 and 304L stainless steel and could also be interchanged and used safely for both grade’s software. When choosing a stainless steel that should endure corrosive environments, austenitic stainless steels are usually used.

Mechanical Properties

Cold Rolled,Hot Rolled Stainless steel Plate and sheets

• Type 304 stainless-steel is an austenitic grade that can be severely deep drawn.
• It continues to be sometimes referred to by its old name 18/eight which is derived from the nominal composition of type 304 being 18% chromium and 8% nickel.
• Type 304 is essentially the most versatile and extensively used stainless-steel.
• Stainless steel 304 and stainless-steel 304L are also called 1.4301 and 1.4307 respectively.

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

Grade 304 is taken into account to be immune to potable water up to roughly 200 mg/L chlorides at ambient temperatures, lowering to approximately150 mg/L at 60 °C. 304 / 304L is used virtually exclusively for components requiring machining, welding, grinding, or polishing the place good corrosion resistance can also be required. It is good in corrosive environments as in paper and chemical industries and cryogenic companies and used the place corrosion resistance and good mechanical properties are major requirements.

Recommended filler rods and electrodes for stainless steel 304 is grade 308 stainless steel. Heavy welded sections could require post-weld annealing. Grade 321 may be used if publish-weld heat therapy is not attainable. 316 grade is the second-most common type of chrome steel. It has almost the same physical and mechanical properties as 304 stainless steel, and accommodates an identical material make-up.

Similar to 304, Grade 316 stainless steel has excessive quantities of chromium and nickel. 316 also accommodates silicon, manganese, and carbon, with the majority of the composition being iron.

Stainless Steel Tube Fittings

Where excessive energy is required at temperatures above 500°C and up to 800°C grade 304H is really helpful. This materials will retain aqueous corrosion resistance. High ductility, excellent drawing, forming, and spinning properties. Essentially non-magnetic, turns into barely magnetic when chilly labored. Low carbon content material means much less carbide precipitation in the warmth-affected zone throughout welding and a lower susceptibility to intergranular corrosion.

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