316 stainless steel pipe is a kind of austenitic stainless steel containing molybdenum, which has excellent corrosion resistance and mechanical properties. Due to its excellent characteristics, 316 stainless steel pipe is widely used in many fields that require corrosion resistance and high strength.
Main standards and grades:
American (ASTM) standards: ASTM A213, ASTM A312, ASTM A240Grade: 316
European (EN) standards: EN 10088-2, EN 10216-5Grade: 1.4401, 1.4436
Japanese (JIS) standards: JIS G3459, JIS G4304Grade: SUS 316
Chinese (GB/T) standards: GB/T 3280, GB/T 4237Grade: 0Cr17Ni12Mo2
German (DIN) standards: DIN 17456, DIN 17458Grade: X5CrNiMo17-12-2
316 stainless steel pipe is a high-quality metal material with a wide range of applications and excellent performance characteristics. The following is a detailed introduction to 316 stainless steel pipe:
Main features of 316 stainless steel pipe:
Corrosion resistance: 316L stainless steel has excellent corrosion resistance in chlorine-containing environments and seawater environments, especially in the presence of molybdenum.
High temperature resistance: It has good high temperature strength and oxidation resistance, and is suitable for temperature environments up to 800°C.
Low carbon content: Low carbon content helps prevent carbide precipitation during welding and avoid intergranular corrosion.
Mechanical properties: It has good tensile strength, yield strength and ductility.
Welding performance: Excellent welding performance, no heat treatment is required after welding.
The production process of 316 stainless steel pipe mainly includes the following steps:
Smelting: Iron ore and alloy elements such as chromium and nickel are smelted into stainless steel ingots through electric furnaces or open furnaces.
Hot rolling: The ingot is heated and rolled to form a stainless steel plate.
Cold rolling: The stainless steel plate is cold rolled multiple times to gradually reduce its thickness while improving the strength and hardness of the material.
Annealing: Annealing stainless steel plates at a certain temperature to eliminate the internal stress generated during rolling and improve the ductility and toughness of the material.
Stainless steel pipe making: Stainless steel plates are made into pipes of various sizes according to customer needs, which can be processed using welded pipe units or seamless pipe units.
Quality inspection: Quality inspection of the manufactured 316 stainless steel pipes to ensure that they meet relevant standards and customer requirements.
Surface treatment: According to needs, the stainless steel pipes are polished, brushed or sandblasted to improve their aesthetics and corrosion resistance.
Packaging and transportation: The finished stainless steel pipes are packaged and delivered to customers using appropriate transportation methods.
The main chemical composition of 316 stainless steel is as follows:
Chromium (Cr): 16-18%
Nickel (Ni): 10-14%
Molybdenum (Mo): 2-3%
Carbon (C): ≤ 0.08%
Manganese (Mn): ≤ 2%
Silicon (Si): ≤ 1%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.03%
Iron (Fe): Balance
The mechanical properties of 316 stainless steel are as follows:
Tensile Strength: ≥ 515 MPa
Yield Strength: ≥ 205 MPa
Elongation: ≥ 40%
Hardness:
Brinell hardness (HB): ≤ 217
Vickers hardness (HV): ≤ 230
Rockwell hardness (HRB): ≤ 95
Due to its excellent corrosion resistance and mechanical properties, 316 stainless steel pipes are widely used in the following fields:
Chemical and petrochemical industries: used for pipelines, storage tanks and equipment for conveying corrosive media.
Food and beverage industries: used for food processing equipment, conveying pipelines and storage tanks to ensure high cleanliness and corrosion resistance.
Marine engineering: used for ship equipment and structural parts in marine environments to resist corrosion from seawater.
Medical devices: used to manufacture surgical instruments and implants with good biocompatibility and corrosion resistance.
Architecture and decoration: used for building exterior walls, railings and other decorative parts to provide beauty and durability.
Energy and environmental engineering: used for high-temperature equipment, boilers and exhaust gas treatment equipment.
Shipbuilding steel plate refers to the carbon and alloy steel plate used in offshore and marine contructions, common grades are A, B, D, E, AH32/36/40,
316 stainless steel plate is a higher common use stainless steel than 304&304L, it has 2.0 to 3.0% of Molybdenum content which provides better overal
Shandong Jialu International Trading Co., Ltd. is a metal material production, processing and sales enterprise integrating ductile iron pipes, steel pipes, steel plates, steel coils, steel wires, steel meshes, welding wires and welding rods.