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ASME SA312 TP317L 1.4438 Stainless Steel Welded Pipe High Temperature

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ASME SA312 TP317L 1.4438 Stainless Steel Welded Pipe High Temperature

Brand Name : Shangle

Model Number : welded tube

Certification : Stainless Steel Welded Pipe

Place of Origin : CHINA

MOQ : 1ton

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : 5000 Ton/Tons per Month

Delivery Time : 7-15 working days after receiving payment

Packaging Details : In wooded cases or pallets,or as for clients requirement

Keywords : Stainless Steel Welded Tube

Usage : Industry/Construction

Tolerance : ±1%

Technique : Cold Rolled Or Hot Rolled

Price Term : CIF CFR FOB EX-WORK

Welding Line Type : ERW

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ASME SA312 TP317L 1.4438 Stainless Steel Welded Pipe High Temperature

TP 317L is a chromium nickel molybdenum alloy that can perform under high temperatures. The alloy is solid solution heated for strength and the pipes are produced through different manufacturing mechanisms. The SA 312 TP 317L products have high yield strengths and can perform well under stress conditions. They have elongation rate higher than 35%.

The 317L is also much corrosion resistance to the sulfur gas attacks at condensation. The lower carbon means that the product could be used with less intergranular corrosion while welding and it reduces the sensitization of the material. Also, high temperature applications with other mild chemicals are possible as well. The material is non-magnetic. The 317L could be used with high concentrations of hydrochloric, sulfuric and other acids under temperatures lower than 38 degrees Celsius.

317L Chemical Composition

Element Content (%)
Iron, Fe Balance
Chromium, Cr 18-20
Nickel, Ni 11-15
Molybdenum, Mo 3-4
Manganese, Mn 2
Silicon, Si 1
Phosphorous, P 0.045
Carbon, C 0.03
Sulfur, S 0.03

Stainless Steel 317L Pipes Physical Properties

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Specific Heat 0-1000C (J/kg.K) Electrical Resistivity (n.m)
0-1000C 0-3150C 0-5380C at 1000C at 5000C
317L 8000 193 17.2 17.8 18.4 16.2 21.5 500 720

Mechanical Properties of TP317L Pipe

Properties Metric Imperial
Tensile strength 595 MPa 86300 psi
Yield strength 260 MPa 37700 psi
Modulus of elasticity 200 GPa 29000 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 55% 55%
Hardness, Rockwell B 85 85

DIN 1.4438 / SS 317L Pipe Tolerances

Stainless Steel 317L Pipe OD ASTM A312 TP317L Pipe Tolerance
4 to 35mm +/- 0.08mm
35 to 38mm +/- 0.15mm
38 to 60mm +/- 0.20mm
60 and above +/- 0.25mm

TP 317L Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 317 1.4449 S31700 SUS 317 –
SS 317L 1.4438 S31703 SUS 317L X2CrNiMo18-15-4

Applications

The 317L grade austenitic stainless steel is used in a variety of applications such as power plant, paper and pulp processing plants, textile equipment, petrochemical processing plants, food processing plants, flue gas desulfurization scrubbers and in chemical processing plants. This range of applications is possible because the material is malleable and durable. It is also a chromium, nickel and molybdenum alloy.


ASME SA312 TP317L 1.4438 Stainless Steel Welded Pipe High Temperature


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