Stainless Steel 304H Tubes Manufacturer

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Stainless Steel 304H Tubes Manufacturer

Metinox Overseas is a trusted manufacturer and supplier of Stainless Steel 304H Seamless Tubes and it does not react well in environments that are more reducing, like chlorides and sulphuric acid. Another advantage of this grade is its excellent toughness to even the cryogenic temperatures on account of its austenitic structure of 304H Tubes. The Tubes made of Stainless Steel are easily welded and can be processed through normal shop fabrication procedures.

This is the most widely used type of stainless steel in the globe as 304H ERW Tubes has both good corrosion resistance and value and can be successfully used in the service of freshwater environments with low chlorides contents. SS 304H Tubes is prone to crevice corrosion and pitting at a higher concentration of chloride. Most of the hot working processes are recommended to be done at 1652 Degree F -2102 Degree F(750 Degree C -1150 Degree C) in Type 310H Tubes.

Grade 304 Tubes has 16 percent to 24 percent chromium and 35 per cent nickel--with traces of carbon and manganese. Optimal machining of 304H Stainless Steel Tubes is accomplished at lower speeds, heavier feeds, optimum lubrication, sharp tooling and strong rigid machines. Stainless Steel UNS S30409 Tubes are easy to sanitize due to its durability and can be used in kitchen and food needs. To ensure optimum level of corrosion resistance Alloy 304 Tubes must be annealed at least to 1900 Degree F (1038 Degree C) and must be quenched in water or cooled rapidly in other ways after hot working.

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Stainless Steel 304H Tube Specification

Specifications ASTM A213, A249, A269 / ASME SA213, SA249, SA269
ASTM A213 Stainless Steel Seamless Tube Size 3.35 mm OD To 101.6 mm OD
ASTM A249 TP 304H Stainless Steel Welded Tube Size 6.35 mm OD To 152 mm OD
ASTM A269 TP 304H Stainless Steel Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
ASME SA213 TP 304H Stainless Steel Tube wall thickness 0.020" –0.220", (special wall thicknesses available)
SS 304H Length Single Random, Double Random, Standard & Cut length Tube
UNS S30409 Finish Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
ASTM A213 Gr. TP304H Form ‘U’ bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Etc
ASTM A269 TP 304H Stainless Steel Type Seamless, ERW, EFW, Welded, Fabricated Tube
ASTM A213 Stainless Steel End Plain End, Beveled End, Treaded Tube
ASME SA213 SS 304H Marking All 304h Stainless Steel Tube are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
ASME SA213TP 304H Stainless Steel Application Oil Tube, Gas Tube, Fluid Tube, Boiler Tube, Heat exchanger Tube,
304H SS Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
Stainless Steel 304H Specialize in Stainless Steel 304H Capillary Tube & Other Odd SizeAlloy 304H Heat Exchanger & Condenser Tube
ASME SA213 SS 304H Test Certificate Manufacturer Test CertificateLaboratory Test Certificate from Govt. Approved Lab.Under Third Party Inspection
ASTM A249 TP 304H Stainless Steel Manufacturers of 304h Stainless Steel Tubes & Tubing Kobe Special Tube, JapanSumitomo Metals, JapanNippon Steel Corporation, JapanSanyo Special Steel, JapanTubacex Tubos Inoxidables S.A., SpainSchoeller Bleckmann, AustriaSeah Steel Corporation, Korea

Stainless Steel UNS S30409 Tubes Equivalent Grades

STANDARD UNS WERKSTOFF NR.
SS 304H S30409 1.4948

304H Stainless Steel Tube Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 304H 0.10 max 2.0 max 0.75 max 0.045 max 0.03 max 18 � 20 - 8 � 10.5 -

ASME SA213 SS TP304H Tubes Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness Rockwell B (HR B) max Hardness Brinell (HB) max
SS 304H 515 205 40 92 201

Stainless Steel 304H Welded Tubes Tube Sizes

Wall Sizes (O.D.)
.010 1/16" , 1/8" , 3/16"
.020 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8"
.012 1/8"
.016 1/8" , 3/16"
.028 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2"
.035 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.049 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.065 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
.083 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3"
.095 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2"
.109 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2"
.120 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3"
.125 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4"
.134 1"
.250 3"
.375 3 1/2"

Types of 304H Stainless Steel Tube

Out diameter (OD) Wall thickness Length
NB Sizes (in stock)
1/8" ~ 8" SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 Upto 6 Meters
304h Stainless Steel Seamless Tube (Custom Sizes)
5.0mm ~ 203.2mm As per requirement Upto 6 Meters
304h Stainless Steel Welded Tube (in Stock + Custom Sizes)
5.0mm ~ 1219.2mm 1.0 ~ 15.0 mm Upto 6 Meters

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Other Types of Stainless Steel 304H Tubes

Type / Specification Details
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ASTM A269 TP304 Stainless Steel Tubes Schedule 30 Stainless Steel 304 Tubes
SS 304 Instrumentation Tubes SS 1.4301 Cold Rolled Tubing
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