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Brand Name : | ZHEHENG |
Model Number : | 8" SCH40s |
Certification : | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
Price : | 1.2USD/PCS--15000/PCS |
Payment Terms : | L/C, T/T |
Supply Ability : | ACCORDING TO CUSTOMER'S REQUEST |
Delivery Time : | 7-15days |
Seamless Hastelloy C22 C276 Nickel Alloy Stainless Steel Pipe Fittings Wrought ASTM B622
Why choose us:
1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material |
2.100% Dimension & Visual Examination |
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test |
4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT) |
5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor) |
6.Straightness Test (optional) |
7.Roughness Test (optional) |
8.Intergranular Corrosion Test(optional) |
9.Impact Test (optional) |
10.Grain Size Determinations (optional) |
NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION. |
What is Hastelloy and what are its main uses?
Hastelloy (HASTELLOY) nickel-based alloy Hastelloy is
nickel-molybdenum, nickel-chromium-molybdenum alloy. The early
(Ni60-Mo19-Fe20) Hastelloy A solved the problem of hydrochloric
acid corrosion resistance in the field of corrosion-resistant
alloys. But it can only be used for hydrochloric acid corrosion
below 70℃. Hastelloy B (0Ni65Mo28Fe5) and Hastelloy B2 (00Ni70M028)
developed by appropriately increasing molybdenum and reducing iron
can be used for any concentration of hydrochloric acid at boiling
temperature, even in sulfuric acid and hydrofluoric acid. Corrosion
resistance.
Hastelloy B2 is superior to Hastelloy B due to its ultra-low carbon
content. Hastelloy B3 is an added grade with better thermal
stability than B2. It also has excellent resistance to corrosion by
hydrochloric acid, sulfuric acid, acetic acid, phosphoric acid and
other non-oxidizing environments. Hastelloy A, B, B2 Ni-Mo alloy
has good corrosion resistance in hydrochloric acid, but in the
medium with oxygen or oxidant, the corrosion resistance is
significantly reduced. To overcome the low corrosion resistance of
the alloy in reducing and oxidizing composite media, Hastelloy C
(Ni60Cr16Mo16W4) was developed. Ni-Mo alloys with a Mo content of
25% to 30% have two sensitization zones. Both 1200 to 1300°C and
600 to 900°C have high molybdenum-containing precipitation phases
that precipitate along the grain boundaries, resulting in
micro-molybdenum depletion in the grain boundaries. Intergranular
corrosion occurs through chemical conversion, reducing carbon,
silicon and iron, and adding tungsten, vanadium and niobium can
improve the resistance to intergranular corrosion in hydrochloric
acid and sulfuric acid. Consult WeChat 13961767712 Hastelloy C
still undergoes intergranular corrosion in hydrochloric acid,
sulfuric acid and chromic acid after sensitization at 600~1150℃. .
RFQ:
1. Are you a trading company or a manufacturer?
Manufacturer and trading.
2. What are your main products?
All kinds of elbows, tees, caps, flanges, and steel pipes, etc with
different stainless steel,nickel alloy materials.
3. Do you provide free samples?
We'd like to provide samples for your confirm, but we don't pay the
cost of freight.
4. Why should I choose you?
* Contact us with your detailed inquiry, you will be replied within
6 hours.
* You are promised to obtain the best quality, price, and service.
* Wide excellent experiences with after-sale service.
* Every process will be checked by responsible QC which ensures every product's quality.
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