Alloy 310 & 310S Austenitic Stainless Steel Seamless Tubes in Standards Astma312/A269 for Oil and Gas Industry Pipeline Using
Material Summary
310 stainless steel is a highly alloyed austenitic stainless steel used for high temperature application. The high chromium and nickel content give the steel excellent oxidation resistance as well as high strength at high temperature. This grade is also very ductile and has good weld ability enabling its widespread usage in many applications.
Stainless Steel 310H is the preferred metal of choice for high temperature conditions out of the 310 Stainless Steel grades. It finds use in the heat treatment industry, including the containment of concentrated acids. 310H is often exposed to sulfur dioxide environments and displays a high level of resistance to negative effects, as well as those from oxidation at high temperatures. The metal also displays increased resistance against creep corrosion.
Chemical Composition
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Mo |
Ni |
310 |
≤0.25 |
≤2.0 |
≤0.045 |
≤0.03 |
≤1.5 |
24.0-26.00 |
/ |
19.0-22.0 |
310S |
≤0.08 |
≤1.0 |
/ |
|||||
310H |
0.04-0.1 |
≤0.75 |
/ |
Note:
1.Element shall be determined arithmetically by difference.
Mechanical Properties
Grade |
Tensile Strength |
Yield strength |
Elongation % |
Hardness |
310S |
≥515Mpa |
≥205Mpa |
≥35 |
≤90 HRB |
310H |
≥485Mpa |
≥170Mpa |
≥35 |
≤90HRB |
Used primarily for parts requiring excellent corrosion and strong magnetic properties such as:
lead wires
battery components
transducers
sparking electrodes
heat exchangers
implantable battery anode/connector tabs for CRM and Neurostimulation devices
stamped or etched fabrications
Company Profile
Zhongzheng Stainless Steel Co., Ltd. was established in 2018 with aregistered capital of 20 million yuan. lt is a manufacturing company thatintegrates the production of special materials, manufacturing andprocessing, sales, and technology development. The company covers anarea of 2,000 square meters and has 200 employees. it has built worldclass stainless steel seamless pipe (hot piercing, cold drawing, cold rollingproduction lines, precision steel pipe production lines, and large
, mediumand small-sized welded pipe production lines. The company has beencommitted to providing high performance, high precision, hightemperature-resistant, high pressure-resistant, and corrosion-resistantsolutions and technical services for industrial equipment pipeline systems.The company specializes in producing a series of steel pipes, pipe fittingsflanges, etc., such as high-temperature (nickel-based) alloys, austeniticduplex steel, urea grade stainless steel, super stainless steel, etc. Thecompany is equipped with an annual production capacity of 5,000 tons ofstainless steel seamless pipe production line, 7,000 tons of welded pipeproduction line, and 500 tons of pipe fittings production line, etc. lt canoroduce stainless steel seamless pipes with diameters ranging from Φ6 toΦ762 and wall thicknesses ranging from 0.5 to 70 mm, stainless steelwelded pipes with diameters ranging from Φ15 to Φ2200 and wallthicknesses ranging from 0.5 to 80 mm, pipe fittings, and various stainlesssteel ingots, round steel, rough pipes, etc., according to customerrequirements and in accordance with standards such as GB, ASTM, etc.
1.generally export packing
-packed by knitting strips in bundles
2.It is suggested that the pipes OD under 25MM or Less than container shipment are packed by plywood cases, which can protect pipes better.
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