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Home » stainless_products » ALLOY K-500, UNS NO5500 Stainless steel tube
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Untitled-2
ALLOY K-500, UNS NO5500 Stainless steel tube

Outer Diameter:1/8”-1 3/4” (3.17mm-44.5mm)

Thickness:0.3-150mm

Surface:BA,2B,NO.4,HL,8K

Standard:ASTM,AISI,JIS,GB,DIN,EN

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The K-500 alloy is made by adding aluminum and titanium to the MONEL nickel-copper composition and has a face-centered cubic structure. Under aging hardening, the whole matrix forms a sub-microscopic γ’Ni3Al phase.

K500 alloy has excellent corrosion resistance in a wide range of natural and chemical environments, excellent resistance to chloride stress corrosion cracking, and very high strength and hardness.

After aging hardening, the mechanical properties of K500 alloy are about 2 ~ 3 times that of nickel-copper alloy (Monel 400), with high tensile properties up to 650℃, good corrosion fatigue resistance, and low magnetism, up to -135℃ without magnetism.

In general, the corrosion resistance of K500 alloy is similar to that of 400 alloys. Excellent water resistance is expressed in a wide range of media, from pure water to mineral acids, salts, and alkalis. K500 alloy is almost not affected by chloride corrosion crack. Under the aging condition, the oxygenated hydrofluoric acid vapor is prone to stress corrosion cracking near the yield strength. High-speed seawater and Marine atmosphere exhibit good corrosion resistance, but pitting may occur in slow-moving or stagnant seawater. Nicorros Al also exhibits good corrosion resistance in sour gas environments.

Product NameExecutive StandardDimensionSteel Code / Steel Grade
Industrial Pipes

ASTM A312, A358, A778

JIS G3459


OD: 1/4″~40″

WT: SCH5S~SCH80S
TP304, TP304L, TP316L, SUS304TP
Tubes for Boiler and Heat-Exchanger, General Service TubingASTM A249, A269, JIS G3463OD: 15.9~139.8mm

WT: 1.6~5.0mm
TP304, TP304L, TP316L, SUS304TB
Mechanical and Structural TubesASTM A554, JIS G3446OD: 7.9~152.4mm

WT: 0.5~6.5mm
MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD SUS304
Square TubesASTM A554OD: 12.7×12.7~150x150mm

WT: 0.7~6.5mm
MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD
Rectangular TubesASTM A554OD: 10×20~100x200mm

WT: 0.7~6.5mm
MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD
Sanitary TubingASTM A270

JIS G3447
OD: 25.4~165.2mm

WT: 0.8~3.05mm
TP304, TP304L, TP316L, SUS304TBS
Large Gauge Pipes for Ordinary PipingJIS G3448OD: 15.88~318.5mm

WT: 0.8~3.0mm
SUS304TPD
Large Diameter PipesJIS G3468OD: 14″~40″

WT: SCH5S~SCH40S
SUS304TPY

Better Raw Material

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Most of material are from first class mills like Baosteel, Posco, Tsingshan. From slitting to material test, we provide the best chemical and mechanical guarantee.

Better Raw Material

Qukin steel 0031

With our experienced masters, manual welding pipes will be straightened by our machinery. TIR guaranteed. 

Delicate Package
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For Europe and American clients, we are experienced to provide fumigated wooden box to guarantee each and every pipe will be safely delivered. 

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japan pattern 2

Checker Plate

Japan/Belgium/Pressed checker

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No.4/HL/Snow brushed/8K

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