TOBO STEEL GROUP CHINA
TOBO ALLOY GROUP TOBO Alloy Group is a mature, steady and energetic high-tech company, specializing in manufacture of high-temperature alloys and corrosion resistant alloys, such as Hastelloy, Haynes,
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Austenitic Stainless Steel Pipe ASTM B676 UNS N08367 Stainless Steel Pipe Seamless Round
Product Description
Specification : EN, DIN, JIS, ASTM, BS, ASME, AISI
Standard Specification : ASTM B691 / ASME SB691
Size : 15NB to 150NB IN
Diameter : 3.17mm to 350mm diameter
Length : 100 mm to 3000 mm Long & Above
Tolerance : H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished
ASTM B691 AL6XN Round Bars Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS |
| AL6XN | 1.4529 | N08367 |
Chemical Composition of AL6XN Round Bars
| Grade | C | Mn | Si | S | N | Cr | Ni |
| AL6XN | 0.03 max | 2.00 max | 1.00 max | 0.03 max | 0.18-0.25 | 20.00- 22.00 | 23.50- 25.50 |
Mechanical Properties of AL6XN / N08367 / 1.4529 Round Bars
| Element | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| AL6XN | 8.1 g/cm3 | Psi – 110000, MPa – 760 | Psi – 55100, MPa – 380 | 45 % |
AL-6XN (AL6XN / UNS N08367) Super-Austenitic Stainless Steel
6.3% molybdenum
Over 25 years of proven seawater service
Practical immunity to chloride stress cracking
50% stronger than stainless
ASME coverage up to 800°F
Easily welded
Available in ALL product forms
AL-6XN alloy (UNS N08367) is a low carbon, high purity, nitrogen-bearing "super-austenitic" stainless alloy. The AL-6XN alloy was designed to be a seawater resistant material and has since been demonstrated to be resistant to a broad range of very corrosive environments. The high strength and corrosion resistance of the AL6XN alloy make it a better choice than the conventional duplex stainless steels and a cost effective alternative to more expensive nickel-base alloys where excellent formability, weldability, strength and corrosion resistance are essential.
Performance Profile
The levels of chromium, molybdenum and nitrogen in AL-6XN all serve to provide resistance to acidic oxidizing chloride solutions previously achieved only by the nickel base alloys. High nickel (24%) and molybdenum (6.3%) contents make AL-6XN a solution to chloride ion stress corrosion cracking. Because of its nitrogen content, AL-6XN has greater tensile strength than common austenitic stainlesses, while retaining high ductility and impact strength. The ASME allowable stresses for AL-6XN are up to 75% higher than for 316L stainless, and more than twice those for the copper-nickel alloys.
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Features
Excellent resistance to pitting and crevice corrosion in chloride solutions
Practical immunity to stress corrosion cracking in NaCl environments
High strength and toughness
Applications