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Help CenterAlloy UNS S30815 Pipes & Tubes Stainless Steel 253 MA Seamless Tubes
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1.4835 (UNS S30815 – 253MA®* – SS2368).
Typical application areas for 1.4835:
Ovens
Construction
Building
As details at high temperature
Good formability and weldability:
1.4835 has a good weldability and can be welded with shielded metal arc welding, gas tungsten arc welding, plasma arc welding and submerged-arc welding. You shall use low heat input and use filler metals of type EN 1.4835 when you weld. The steel can be both cold and hot formed but it can only be hardened by cold working. The steel has high hardness and at machining you need to follow cutting recommendations.
Applications of 253MA grade stainless steel:
Typical applications include:
Furnace components including burners, retorts, conveyor belts, fans, jigs and baskets, rollers, walking beams, radiant tubes, electric heater elements, refractory anchors, hoods, flues, grates, expansion bellows.
Petrochemical and refinery tube hangers.
Corrosion Resistance.
Although not designed for aqueous corrosion resistance the high chromium and nitrogen contents give the grade a pitting resistance approximating that of 316. 253MA does however have a high carbon content so is highly susceptible to sensitisation from welding or service exposure.
Heat Resistance.
Oxidation - excellent resistance to air, at temperatures up to 1150°C. At high temperatures the steel quickly forms a thin, highly adherent and elastic oxide. This oxide gives good protection even under cyclic conditions.
Carburisation - Under oxidising conditions this grade can perform well, but alloys with higher nickel content are preferred if the atmosphere is reducing.
Sulphidation - good resistance to sulphur-bearing gases in an oxidising atmosphere, even if only traces of oxygen are present. Reducing gases prevent the protective oxide forming.
253MA has high strength at elevated temperatures so is often used for structural and pressure-containing applications at temperatures above about 500°C and up to about 900°C. Its strength at these temperatures is higher than that of alternatives such as Grade 310.
253MA will become sensitised in the temperature range of 425-860°C; this is not a problem for high temperature applications, but will result in reduced aqueous corrosion resistance.
Heat Treatment.
Solution Treatment (Annealing) - Heat to 1050-1150°C and cool rapidly. It is recommended that the material be solution treated after 10-20% cold work to achieve maximum creep strength in service.
This grade cannot be hardened by thermal treatment.
stainless steel 253ma seamless tubing.
Outer Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB Pipes & Tubes : 1/2" NB - 16" NB
stainless steel 253ma seamless pipe.
Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils
253Ma stainless steel packing.
1.Bundle packing
2.Plain end or varnished as per buyer's requestments
3.Wrapped in waterproof paper
4.Sackcloth with several steel strips
5.Pack in heavy tri-wall boxes
Specifications.
UNS S30815, Werkstoff 1.4835
ASTM/ASME A/SA312, A/SA213, A/SA 269, DIN 17458, DIN 17459, JIS G3463. After negotiation, we can supply pipe with customers' requirement.
LIAOCHENG KUNCHENG PIPE CO.,LTD.
Room A2709 ChuangYe Building,Liaocheng City, Shandong Province, China
Mobile&Whatsapp:+8613184174934(Wechat)
Tel&Fax:0086-0635-2930669
Skype:mrhrc
PRODUCTS MENU:
Honed Tube : JIS STKM13C, DIN ST52, SAE1020 ,DIN CK45 etc.
Alloy Seamless Tube: ASME SA-335 (P5, P9, P11, P22 P91) A213 -T22/T12 etc.
Hollow seamless bar :AISI 4130 ,ASTM 4140 etc.
Carbon steel pipe :ASTM A106 Gr.B
Stainless steel pipe : 304, 316, 316L & H grades etc.
Hollow section :S235JR, S275JR, S355JR, P265GH, P355N
SERVICES MENU:
Machining:Turning , Threading , Milling , Boring , Grooving , Skiving , Trepanning , Sawing , Straightening , honing etc
Send Inquiry to This Supplier
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