Adinox Overseas is a globally acknowledged supplier and exporter of high-performance 253 MA Tubes, also known by the UNS number S30815, and produced in accordance with international standards such as ASTM A213 and ASTM A312.

Table Of Contents

253 MA is a rare earth metals, nitrogen, nickel, and chromium composition-balanced, austenitic stainless steel, which is highly resistant to carburization and oxidation at high temperatures. It is a specific alloy that is superior at heat-intensive applications, tolerating temperatures up to 1150°C exceptionally well. The S30815 designation highlights that it complies with international material specifications, ensuring a level playing field for performance.

253 MA [S30815] Tubes, 253 MA [S30815] Tubes Manufacturers, 253 MA [S30815] Tubes Suppliers, 253 MA [S30815] Tubes Stockists, 253 MA [S30815] Tubes Exporters

The composition of 253 MA (UNS S30815) features a carefully balanced mix of chromium, nickel, nitrogen, and rare earth metals. This distinctive combination improves its oxidation resistance, creep strength, and structural stability at temperatures reaching up to 1150°C. What distinguishes 253 MA from other high-temperature alloys is its remarkable blend of heat resistance and cost-effectiveness. These tubes are frequently utilized in sectors such as heat treatment, furnace manufacturing, power generation, petrochemicals, cement production, and steel processing, where components must withstand both mechanical stress and thermal cycling over prolonged durations.

253 MA [S30815] Tubes in India, 253 MA [S30815] Tubes Manufacturers in India, 253 MA [S30815] Tubes Suppliers in India, 253 MA [S30815] Tubes Stockists in India, 253 MA [S30815] Tubes Exporters in India

Adinox Overseas offers 253 MA seamless tubes and welded tubes, both of which comply with rigorous quality standards and undergo sophisticated non-destructive testing. Our seamless tubes are particularly preferred in high-pressure, high-heat settings due to their exceptional structural integrity and leak-proof design. Conversely, our welded tubes provide excellent value for applications that require resistance to high-temperature oxidation without significant mechanical stress.

253 MA [S30815] Tubes in Mumbai, 253 MA [S30815] Tubes Manufacturers in Mumbai, 253 MA [S30815] Tubes Suppliers in Mumbai, 253 MA [S30815] Tubes Stockists in Mumbai, 253 MA [S30815] Tubes Exporters in Mumbai

Specifications Of 253 MA [S30815] Tubes

Specifications	ASTM B668 / ASME SB668; EN 10216-5; SEW 400 (Feb 1991); SS 14 25 84; NFA 49-217
Seamless Tubes Sizes	1 / 2" NB - 8" NB
Welded Tubes Sizes	6" NB - 24" NB
Outer Diameter	6.0-630mm
Schedule	SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Thickness	0.3mm – 50 mm
Type	Seamless / ERW / Welded/ Fabricated
Form	Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes
Length	Single Random, Double Random Cut Length
End	Plain End, Beveled End, Treaded

Chemical Composition for 253 MA [S30815] Tubes

Grade	C %	Si ≤ %	Mn ≤ %	P ≤ %	S ≤ %	Cr %	Mo %	Ni %	N %	Cu %
253 MA [S30815]	≤ 0.02	0.70	2.00	0.03	0.01	26.0-28.0	3.00-4.00	30.0-32.0	≤ 0.11	0.70-1.50

Mechanical Properties Of 253 MA [S30815] Tubes

Tensile strength R_m N/mm²	0.2% Yield strength R_p ≥ N/mm²	Elongation A₅ ≥ %	Hardness HB 30 ≤ HB	Modulus of elasticity kN/mm²
500-750	220	35/30	230	195

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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