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Stainless Steel Welded Tubes ASTM A249 TP304 Piping Systems In Industry

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Stainless Steel Welded Tubes ASTM A249 TP304 Piping Systems In Industry

Brand Name : YUHONG GROUP

Model Number : TP304

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 1PC

Price : Negotiation

Payment Terms : L/C at sight , T/T

Supply Ability : 10000 Ton/month

Delivery Time : Depends on quantity

Packaging Details : Bundle /Ply-wooden Case

Material Grade : TP304

Standard : ASTM A249

Size : 16mm-60.3mm

W.T. : 0.5mm-6mm

Length : Customized

NDT : Negotiation

Packing : Ply-wooden Case /Iron Case/ Bundle

Appllication : petroleum refineries/piping system

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Stainless Steel Welded Tubes ASTM A249 TP304 Piping Systems In Industry

What is differences between TP304/304L?

TP304/304L is to indicate the material grade, where T and P are Tube and Pipe, which means tube.TP304/TP304L is a double grade material, and the common ones are TP316/316L.TP304 and TP304L are two kinds of materials, and the main difference of their chemical composition is the range of carbon content and nickel content.TP304L (where the L is Low) has an upper limit of 0.035% carbon content, which is lower (Low) than TP304. Carbon in steel provides strength, but according to the chromium depletion principle, chromium carbide precipitation will affect corrosion resistance; the higher the chromium carbide precipitation, the worse the corrosion resistance. Because of the low carbon content can reduce the precipitation of chromium carbide, so the corrosion resistance of TP304L is higher than TP304. but the mechanical properties of the comparison, TP304 yield strength and tensile strength of the lowest value is higher than TP304L. TP304 / TP304L dual grade requirements is that the chemical composition of the material, the mechanical properties of the material can be simultaneously meet the TP304 and TP304L, which means that to take the intersection, the strength to meet the TP304 and TP304L, and the strength of the material to meet the TP304 and TP304L. That is to say to take the intersection, strength to TP304, and corrosion resistance to TP304L.

The characteristics of ASTM A249 TP304 Stainless Steel Welded Tubes

High corrosion resistance: excellent corrosion resistance, especially for chloride media and acidic environments with good corrosion resistance.

Excellent mechanical properties: good mechanical properties, including tensile strength, yield strength and elongation and other indicators.

Easy to weld and process: good welding properties and can be welded by conventional welding methods. It is also relatively easy to process and form.

Chemical Composition of ASTM A249 TP304 Stainless Steel Welded Tubes

Grade C Ni Si N S Mn P Cr Mo
SS 304 min. - 8.0 - - - - - 18.0 -
max. 0.08 10.5 0.75 0.10 0.030 2.0 0.045 20.0

Mechanical Property of ASTM A249 TP304 Stainless Steel Welded Tubes

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

Equivalent Grades of ASTM A249 TP304 Stainless Steel Welded Tubes

STANDARDWERKSTO

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18-09 X5CrNi18-10
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 03Х18Н11 Z3CN18-10 X2CrNi18-9 / X2CrNi19-11
SS 316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 - Z7CND17-11-02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z3CND17-11-02 / Z3CND18-14-03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3

FF NR.UNSJISBSGOSTAFNOR

STANDARDWRSTOFF NR.UNSJISBSGOSTAFNOR

ASTM A249 TP304 Stainless Steel Welded Tubes APPLICATION

Gas Processing

Petrochemical

Power Generation

Food Processing

Chemical

Oil & Gas

Fertilizers

Piping system

Stainless Steel Welded Tubes ASTM A249 TP304 Piping Systems In Industry


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