Grade 310 is a medium carbon austenitic stainless steel, for high temperature applications such as furnace parts and heat treatment equipment. It is used at temperatures up to 1150°C in continuous service, and 1035°C in intermittent service. Grade 310S is a low carbon version of grade 310.
Grade 310/310S is used in fluidised bed combustors, kilns, radiant tubes, tube hangers for petroleum refining and steam boilers, coal gasifier internal components, lead pots, thermowells, refractory anchor bolts, burners and combustion chambers, retorts, muffles, annealing covers, saggers, food processing equipment, cryogenic structures.
These grades contain 25% chromium and 20% nickel, making them highly resistant to oxidation and corrosion. Grade 310S is a lower carbon version, less prone to embrittlement and sensitisation in service.
The high chromium and medium nickel content make these steels capable for applications in reducing sulphur atmospheres containing H2S. They are widely used in moderately carburising atmospheres, as encountered in petrochemical environments. For more severe carburising atmospheres other heat resisting alloys should be selected. Grade 310 is not recommended for frequent liquid quenching as it suffers from thermal shock. The grade is often used in cryogenic applications, due to its toughness and low magnetic permeability.
In common with other austenitic stainless steels, these grades cannot be hardened by heat treatment. They can be hardened by cold work, but this is rarely practiced.
Grade 310/310S is generally not used for corrosive liquid service, although the high chromium and nickel content give corrosion resistance superior to grade 304. The alloy does not contain molybdenum, so pitting resistance is quite poor. Grade 310/310S will be sensitised to intergranular corrosion after service at temperatures in range 550 - 800°C. Chloride stress corrosion cracking may take place in corrosive liquids containing chlorides at temperatures exceeding 100°C.
The process flow of the Stainless Steel Square Bar production line: billet acceptance → heating → rolling → double scale cutting → cooling → cutting → inspection → packaging → measurement → warehousing.
Carbon | Manganese | Silicon | Phosphorus | Sulphur | Chromium | Nickel | |
310 | 0.25 max | 2.00 max | 1.50 max | 0.045 max | 0.030 max | 24.00 - 26.00 | 19.00 - 22.00 |
310S | 0.08 max | 2.00 max | 1.50 max | 0.045 max | 0.030 max | 24.00 - 26.00 | 19.00 - 22.00 |
0.2% Proof Stress | Tensile Strength | Elongation | Hardness | |
Unit | MPa | MPa | % | HB (max) |
310 / 310S | 205 | 520 | 40 | 225 |
Standard | ASTM A479,ASTM A276,ASTM A484, ASTM A582, ASME SA276, ASME SA484, GB/T1220, GB4226, etc. | ||
Material | 301, 304, 304L, 309S, 321, 316, 316L, 317, 317L, 310S, 201,202 321, 329, 347, 347H 201, 202, 410, 420, 430, S20100, S20200, S30100, S30400, S30403, S30908, S31008, S31600, S31635, etc. | ||
Specifications | Round bar | Diameter:0.1~500mm | |
Hexagonal bar | Size: 2mm~100mm | ||
Flat bar | Thickness | 0.3~200mm | |
Width | 1~2500mm | ||
Square bar | Size: 1mm*1mm~800mm*800mm | ||
Length | 2m, 5.8m, 6m, or as required. | ||
Surface | Black, peeled, polishing, bright, sand blast, hair line, etc. | ||
Price Term | Ex-work, FOB, CFR, CIF, etc. | ||
Export to | Singapore, Canada, Indonesia, Korea, USA, UK, Thailand, Peru, Saudi Arabia, Viet Nam,India, Ukraine, Brazil, South Africa, etc. | ||
Delivery Time | Standard size is in stock,prompt delivery or as order's quantity. | ||
Package | Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM |
304 Stainless Steel Square Bar | 316L Stainless Steel Square Bar |
304L Stainless Steel Square Bar | 317 Stainless Steel Square Bar |
309S Stainless Steel Square Bar | 317L Stainless Steel Square Bar |
310S Stainless Steel Square Bar | 201 Stainless Steel Square Bar |
316 Stainless Steel Square Bar | 202 Stainless Steel Square Bar |
321 Stainless Steel Square Bar | 329 Stainless Steel Square Bar |
Stainless Steel Square Bar are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry
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