| Customization: | Available |
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| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Incoloy alloy 825 is a nickel-iron-chromium alloy with additions of copper, molybdenum and titanium. The alloy's chemical composition is designed to provide exceptional resistance to many corrosive environments. The nickel content is sufficient for resistance to chloride-ion stress corrosion cracking. The nickel, in conjunction with the molybdenum and copper, also gives outstanding resistance to reducing environments such as those containing sulfuric and phosphoric acids. The molybdenum also aids resistance to pitting and crevice corrosion. The alloy's chromium content confers resistance to a variety of oxidizing substances such as nitrates and oxidizing salts. The titanium addition serves, with an appropriate heat treatment, to stabilize the alloy against sensitization to intergranular corrosion. The resistance of Incoloy 825 to general and localized corrosion under diverse conditions gives the alloy broad usefulness. Applications include chemical processing, pollution control, oil and gas recovery, acid production, pickling operations, nuclear fuel reprocessing and handling of radioactive wastes.
| 1. Material | Steel Grade | INCONEL: 600(N06600),601( N06601), 625( N06625),718(N07718),X-750(N07750) INCOLOY: 800(N08800), 800H(N08810),800HT(N08811),825(N08825),926(N08926), A-286(S66286),20(N08020),200(N02200),201(N02201) HASTELLOY: C-22(N06022),C276(N10276),B-2(N10665) Monel : 400(N04400),K-500(N05500) High Temperature Alloy: GH3030,GH3039,Cr20Ni80 |
| Production Process | Available in cold rolled and cold drawn | |
| Standard | ASTM B163, B167, B168, B407, B423, B444, B622, B677, B829 | |
| 2. Diameter of Stainless Pipe | W.T | 1mm-10mm |
| Diameter | 20mm thru 219mm | |
| Length | 2m-12m, or customer required | |
| 4. Application |
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| 5. Packing | *All of our nickel alloy seamless pipes and tubes are packaged according to international standards to prevent any possible damage or loss. By default, we will use thick woven plastic bags to bundle the finished pipes together in batches. For some special pipes and tubes that are vulnerable to dirt, scratches, stress, or rough handling, we will suggest using wooden cases for protection. Please note that wooden cases may incur extra costs not only for the case itself but also for increased freight costs, especially when using air transportation. To enhance customer experience, we also provide dedicated packaging according to your specific requirements." |
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| 6. Delivery Time | 1.for ready stock :7 days after receiving the deposit of T/T 2.For MTO: 35 days after receiving the deposit of T/T |
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| 7. Trade Terms | EXW,FOB, CFR, CIF etc. | |
| 8. Payment Terms | 1.30%T/T in advance, the balance against the B/L copy 2.30%T/T in advance, the balance against the L/C at sight |
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| 9. Loading Port | Ningbo/Wenzhou/Shanghai | |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
| Grade | Ni | C | Cu | Mn | Si | Cr | Fe | S | Al | Ti | |
| Inconel 825 | Min. | 38 | - | 1.5 | - | - | 19.5 | 22.0 | - | - | 0.6 |
| Max. | 46 | 0.05 | 3 | 1 | 0.5 | 23.5 | - | 0.03 | 0.2 | 1.2 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 825 | 8.14 g/cm3 | 1400 °C (2550 °F) | Psi - 80,000 , MPa - 550 | Psi - 32,000 , MPa - 220 | 30% |
| Material | Nominal O.D., in. (mm) | Permissible Variations [Note(1)] | |||||
| O.D., in. (mm) | Wall Thk., % | ||||||
| Avg Wall | Min. Wall | ||||||
| + | - | + | - | + | - | ||
| UNS N02200, UNS N02201, and UNS N04400 | 1/2 to 5/8 (12.7 to 15.9),excl | 0.005(0.13) | 0 | 12.5 | 12.5 | 25 | 0 |
| 8/5 to 1 1/2(15.9 to 38.1), incl | 0.005(0.13) | 0.005(0.13) | 10 | 10 | 20 | 0 | |
| Over 1 1/2 to 3(38.1 to 76.2), incl | 0.010(0.25) | 0.010(0.25) | 10 | 10 | 22 | 0 | |
| UNS N06600, UNS N066090, UNS N06045, UNS N06025, UNS N08800, UNS N08810, UNS N08811, UNS N08801, and UNS N08825 | 1/2 to 5/8 (12.7 to 15.9), excl | 0.005(0.13) | 0.005(0.13) | 12.5 | 12.5 | 25 | 0 |
| 8/5 to 1 1/2 (15.9 to 38.1), incl | 0.0075(0.19) | 0.0075(0.19) | 10 | 10 | 20 | 0 | |
| Over 1 1/2 to 3 (38.1 to 76.2), incl | 0.010(0.25) | 0.010(0.25) | 10 | 10 | 22 | 0 | |
| Positive Material Identification (PMI) | Guohao Steel can perform PMI testing in house for most stainless steel grades, or we can work with independent labs to complete PMI in order to meet customer specifications. |
| Testing | In some cases, HT/ET/UT testing of the stainless steel pipes may be required. We can assist you with this requirement.
Flare Test : - The Flare test should consist of test specimen (one end of tube among the lot of 100) with the help of expanding tool having covering an angle of 60 degree, until the specified outside diameter of the tube is increased atleast by 30% from the original. During this process, the tube should not exhibit any cracking through walls. Grain Size : - An n extended (transverse) sample exhibiting complete wall thickness of annealed alloys shall adhere to the average grain size as specified in ASTM B163 specification. Hardness : -In stress-relived conditions when annealed ends are specified for tubing, the hardness of the ends should not cross the limits as specified in ASTM B163. Hydrostatic or Nondestructive Electric Test : - Every tube should be put through either hydrostatic test or nondestructive electric test. Within the mentioned specification limits of outside diameter of 1/8 inches (3.2mm) and thickness of 0.015 inches (0.38mm), each tube should be tested to an internal hydrostatic pressure of 1000 psi. (6.9MPa). Fiber stress calculated using this formula should not exceed the specification limits. |
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