Brand Name: Ark Steel Tube Place of Origin: China Outside Diameter: 10.3-426mm Wall Thickness: 1.24-40.49mm Length: Up to 25m Standard: ASTM B163, ASTM B167, ASTM B407, ASTM B444, ASTM B622, ASTM B677, ASTM B829,etc. Delivery Condition: Pickled&Annealed, Polished, Bright Annealed. Technique: Seamless Application: National defense, astronautics, transportation, equipment manufacture, shipping, petroleum, nuclear power industry, oil, and gas industry, and chemical industry, etc. Marking: LOGO, Standard, Grade, Size, Heat Number. Package: Woven bag, wooden cases, or as per customer's requirement. Quality Requirement: Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable. Hastelloy Series: Hastelloy B(UNS N10001), Hastelloy B-2(UNS N10665), Hastelloy B-3(UNS N10675), Hastelloy C-4(UNS N06455), Hastelloy C-22(UNS N06022), Hastelloy C-276(UNS N10276), Hastelloy C-2000(UNS N06200), Hastelloy G-30(UNS N06030), Hastelloy G-35(UNS N06035). Haynes Series: Haynes 230(UNS N06230), Haynes 556(UNS R30556). Inconel Series: Inconel 600(UNS N06600), Inconel 601(UNS N06601), Inconel 617(UNS N06617), Inconel 625(UNS N06625), Inconel 690(UNS N06690), Inconel 718(UNS N07718). Incoloy Series: Incoloy 020(UNS N08020), Incoloy 800(UNS N08800), Incoloy 800H(UNS N08810), Incoloy 800HT(UNS N08811), Incoloy 825(UNS N08825), Incoloy 925(UNS N09925). Monel Series: Monel 400(UNS N04400). Nickel Series: Nickel 200(UNS N02200), Nickel 201(UNS N02201). High-Temperature Alloys: GH2132,GH3030,GH3039,GH3128,GH3044,GH4080A.