TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe for Heat Exchanger and Condenser
TORICH is a Professional Manufacturer of ASTM B423 UNS N08825 Seamless Nickel Alloy Tube, which is for ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Steel Tubing for General Service
We can manacture stainless steel tubes based on the following technical standard:
ASTM A213,ASTM A312,ASTM A511,ASTM A269,ASTM A249,ASTM A358
The Stainless Steel Grade can cover the following:
ASTM A213 TP304 TP304L TP304H TP310S TP316 TP316L TP316H TP317 TP347
ASTM A312 TP304H TP309H TP310H TP316H TP321H TP347H TP348H TP304 TP309S TP310S TP316 TP321 TP347 TP348
ASTM A511 MT304, MT304L, MT309S, MT310S, MT316, MT316L, MT317,MT321, MT347
ASTM A269 TP304 TP304L TP321 TP347 TP316 TP316L TP348 TP317
ASTM A249 TP304 TP304L TP321 TP347 TP316 TP316L TP348 TP317
ASTM A358 TP304
| Producsts Name | ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe for Heat Exchanger and Condenser |
| Technical Standard | B829 Specif i cation for General Requirements for Nickel and Nickel Alloys Seamless Pipe and Tube |
| Steel Grade/Steel Numbe | UNS N08825 UNS N08221 UNS N0684 |
| Size Range | OD: 5mm-813mm WT: 0.5-50mm Length: As customer's require Cutting Length: available according to customer's requirement. |
| Delivery Condition | Bright Annealing. Cold Bending or Coiling |
| Surface Treatment/Surface Condition | Bright Surface. Dull Surface. Polish Surface. |
| Tube Inspection | 100% Dimensional Check 100% Eddy Current Test (ETD) 100% Ultrasonic Test (UTD Mechanical Properties Inspection, Internal Lab test report or Third Party Inspection Report. |
| Inspection Istrument | Outside micrometer, wall thickness micrometer, inside dial gauge, vernier caliper, tensile testing machine, hardness tester, eddy current flaw detector, metallographic analyzer, surface roughness meter |
| Tube Application | Heat Exchanger and Condenser |
| Production Process | Round steel warehousing → round steel inspection → round steel sawing → central hole drilling → perforation → pickling → cold drawing or cold rolling (finish rolling) → annealing → straightening → head and tail cutting → finished product inspection → packaging → delivery |
Chemical Composition of ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe
| UNS Designation | C | Mn | S | Si | Ni | Cr | Ir |
| N08825 | 0.05 | 1.0 | 0.03 | 0.5 | 38.0-46.0 | 19.5-23.5 | 22.0min |
| N08221 | 0.025 | 1.0 | 0.03 | 2.5-3.0 | 39.0-46.0 | 20.0-22.0 | 22.0min |
| N06845 | 0.05 | 0.5 | 0.010 | 0.5 | 44.0-50.0 | 20.0-25.0 | remainder |
Mechanical Properties of ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe
| Alloy | Condition (Temper) | Tensile Strength min, psi (MPa) | Yield Strength, (0.2 % offset), min, psi (MPa) | Elongation in 2 in. or 50 mm (or 4D), min,% |
| UNS N08825 | hot-finished annealed | 75 (517) | 25 (172) | 30 |
| UNS N08825 | cold-worked annealed | 85 (586) | 35 (241) | 30 |
| UNS N08825 | hot-forming quality (hot-f i nished or cold-drawn annealed) | / | / | / |
| UNS N08221 | cold-finished, annealed | 79 (545) | 34 (234) | 30 |
| UNS N06845 | cold-finished, annealed | 100 (690) | 40 (276) | 35 |
Cold-Worked Tube and Pipe
Cold-Worked,Annealed, with Ground Outside Diameter—The inside diameter may have a bright f i nish when
material is annealed in a protective atmosphere; otherwise, the inside diameter is supplied descaled as necessary. It is available
in sizes 1 ⁄ 2 to 4 in. (12.7 to 102 mm), inclusive, in outside diameter in both normal and heavy-wall tube, and pipe sizes,
all schedules, of corresponding outside-diameter dimensions.
Cold-Worked, Annealed,and Pickled (Not Ground)—Outside and inside diameter will have dull, matte (pickled) surfaces.
It is available in sizes(12.7 to 168mm), inclusive, in outside diameter in both normal and heavy-wall tube, and pipe sizes, all schedules, of correspond-ing outside-diameter dimensions.
Hot-Worked Tube
Hot-Worked-Annealed (Not Pickled) Tube—Has an oxide surface resulting from the hot-working operation. In- tended generally for machined parts where the oxide surface will be removed.
Hot-Worked-Annealed (Pickled) Tube—Has the oxide surface removed on both outside and inside diameters by pickling. Surface may be spot ground for removal of minor surface imperfections at the manufacturer’s option.
Hot-Worked-Annealed (Machined Outside and Inside Diameters) Tubes—The outside and inside diameter surfaces are machined to specified dimensions. Minor surface imperfections may be spot ground for removal, at the manufacturer’s option.
Prodution Pictures for ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe
Products Application of Heat Exchanger and Condenser
Production Process of ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe
Products Workshop of ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe
Delivery and Packing of ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe
FAQ of ASTM B423 UNS N08825 Nickel-Iron-Chromium-Molybdenum-Copper Alloy Seamless Pipe
1. who are we?
TORICH is not only professional manufacturer and exporter, but also international marketing
and sales company in the field of steel tubes from China. Our factory was established in 1997
with the name of Haiyan Sanxin Steel Pipe Co., Ltd. Our technicians are equipped with great
engineering experience in steel pipe industry for more than 22 years, they have great comma-
nd of production technology for Cold Drawing and Cold Rolling, as well as heat treatment and
inspection. So we have a strong technician team and manufacturing capability.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Stainless Steel/Carbon Steel/AlloySteel,Titanium,Copper/Brass,etc.
4. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Deliv-
ery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian