Nickel Alloy 825 ASTM B423 Seamless Pipe With Annealed Pickled Surface
Nickel Alloy 825 ASTM B423 seamless pipe：
Nickel Alloy 825 ASTM B423 seamless pipe is a nickel-based, iron, chromium, molybdenum, copper corrosion-resistant alloy pipe with excellent acid and alkali corrosion resistance, especially suitable for handling strong corrosive media such as sulfuric acid, phosphoric acid, nitric acid and hydrofluoric acid. The alloy can maintain good stability in both oxidizing and reducing environments, and has the ability to resist pitting, crevice corrosion and stress corrosion cracking. ASTM B423 specifications ensure that its seamless structure has high strength and high density, suitable for highly corrosive conditions such as chemical processing equipment, marine engineering, heat exchangers, pickling equipment, nuclear fuel reprocessing systems, etc. At the same time, its good machinability and weldability also make it perform well in complex structures and high safety requirements.
Parameter Table：
|
Grade |
Standard |
Outside Diameter |
8mm-711mm |
|
Alloy 600 |
ASTM-B444 |
Wall Thickness |
1mm-50mm |
|
Length |
≤20m |
||
|
Inspection |
Appearance/ Dimensional test, PMI; |
||
|
Certificates |
ISO/PED/AD2000/TS |
||
|
Package |
End protection/ Woven bags/ Wooden cases |
Chemical Composition：
|
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Ti |
N |
Cu |
Nb |
Al |
Co |
Zr |
Fe |
Tu |
Va |
|
Alloy 800H/N08810 |
0.05-0.10 |
1 |
2 |
- |
0 |
19-23 |
30-35 |
- |
0.15-0.60 |
- |
1 |
- |
0.15-0.60 |
- |
- |
≥39.5 |
- |
- |
|
Alloy 825/N08825 |
0 |
1 |
1 |
- |
0 |
19.5-23.5 |
38-46 |
2.5-3.5 |
0.6-1.2 |
- |
1.5-3 |
- |
0 |
- |
- |
≥22 |
- |
- |
Physical Property：
|
Grade |
Physical Property |
|||
|
Y.S |
T.S |
EL. |
HB |
|
|
Alloy 600/N06600 |
205-345 |
550-690 |
35-55 |
≤185 |
|
Alloy 601/N06601 |
240-300 |
600-650 |
30-35 |
≤220 |
|
Alloy 625/N06625 |
≥345 |
≥760 |
≥30 |
≤220 |
|
Alloy 718/N07718 |
≥550 |
≥965 |
≥30 |
≤363 |
|
Alloy 800/N08800 |
≥210 |
≥500 |
≥35 |
- |
|
Alloy 800H/N08810 |
≥180 |
≥450 |
≥35 |
- |
|
Alloy 825/N08825 |
≥220 |
≥550 |
≥30 |
≤200 |
Factory advantages and features：
1. Huxin Pipe, a highly reliable seamless pipe manufacturer with 36 years of experience in pipe production2. Diversified pipe sizes - in addition to the regular sizes, we can also produce 18 metres and 25 metres pipe extensions.
3. Well-equipped production and inspection - plant facilities include cold rolling mills, annealing furnaces, pickling baths, ultrasonic eddy current integration, and physical and chemical laboratories
4. Complete quality control process - in addition to factory technicians, full-time MTSCO quality inspectors are on site before, during and after production.
5. Complete certifications - we have ISO/PED/AD2000/M650certifications.
Introduction to Quality Control Inspection Methods：
Quality Assurance for Raw Materials
Our raw materials, sourced from esteemed steel mills such as Baosteel and Tsingshan, undergo stringent warranty and PMI checks to ensure top-notch quality. Stringent PMI checks and other inspections guarantee compliance with material specifications.
Supervised Production Process
From cold rolling, cold drawing, annealing, to pickling and surface treatment, 321 stainless tube manufacturing process is meticulously overseen. Skilled engineers, equipped with advanced tools, supervise each phase and capture detailed records through photography. Process cards guarantee precision and traceability throughout production.
Quality Assurance Before Shipment
Our dedicated QC team conducts comprehensive inspections, encompassing appearance, PMI, size, quantity, and more. Mechanical, hardness, ultrasonic, eddy current, and hydraulic tests are carried out. We also welcome third-party evaluations (SGS, TUV, BV) and ensure secure packaging and container reinforcement to ensure product integrity during transportation.
Packing of Pipes ：
|
Product |
Packing |
|
LCL PIPE |
Plywood crate + protective pipe caps on both ends |
|
FCL PIPE |
Woven bag + protective pipe caps on both ends |
|
LCL/FCL TUBE |
Plywood crate + individual plastic bag wrapping + end caps on both sides |
