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ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE

ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE

  • ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE
  • ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE
  • ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE
  • ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE
ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE
Product Details:
Place of Origin: China
Brand Name: YUHONG GROUP
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number: ASTM A312 ASME SA312 TP316
Payment & Shipping Terms:
Minimum Order Quantity: 500KGS
Price: Negotiation required
Packaging Details: Ply Wooden Case
Delivery Time: Negotiation required
Payment Terms: T/T, L/C
Supply Ability: 100 tons per month
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Detailed Product Description
Type: Seamless, Welded Standard: ASTM A213/ASME SA213
Grade: 316L Length: 6M Or Specified Length As Required
Application: Chemical And Petrochemical,oilprocessing,nature Gas Processing,food&drink Pulp&paper Power Generation Including Nuclear
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ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE

 

There are wide range dimensions and sizes for ASTM A312 stainless steel pipe, NPS from 1/2 inch to 30 inch for outside diameter, Schedule 5 to Schedule 160 for wall thicnless, heavy wall pipe is available.

 

ASTM A312 TP316L Stainless Steel Pipe Specifications

 

Standard ASTM A312, ASME SA312
Material TP316L
Pipe Type Welded Pipe, Seamless Pipe
Finishes Annealing Pickling
Outside Diameter 1/8 Inch To 30 Inch
Thickness Sch 5 To Sch 160
Application Pressure, High Temperature Service

 

 

TP316L stainless steel is molybdenum-bearing grade, beside TP304 grade, it is second used Austenitic stainless steel material, because TP316L has excellent properties.

With molybdenum alloy addition, and low carbon content, TP316L possesses better overall corrosion resistant properties, particular in chloride environments.

 

ASTM A312 TP316L Chemical Composition

 

Grade C Si Mn Cr Ni Mo S P
TP316L 0,035 1,0 2 16 – 18 10 – 15 2 – 3 0,03 0,045

* Maximum value, unless otherwise indicated.

 

ASTM A312 TP316L Mechanical Properties

 

Grade Tensile Strength(Mpa) Yield Point(Mpa) Elongation(%)
316L 485 170 35

 

 

 

* Minimum value, unless otherwise indicated.

TP316 is higher carbon content grade compared to TP316L, in practice, it can be dual certified with TP316L to obtain better properties.

Other grades are avalaible, ASTM 312 TP304, ASTM A312 TP304L.

 

ASTM A312 TP316L Seamless Pipe

 

ASTM A312 specification covers welded and seamless stainless steel pipes, seamless pipe is made from billet, a hollow semi finished tube, then hot rolling or cold drawn process, our mill adopt cold rolled and cold drawn to produce seamless pipe.

 

ASTM A312 TP316L Welded Pipe

 

ERW or EFW welding method is usually used for ASTM A312 welded pipe, making from plate without additional metal filler, often single longitudinal welding is used, for large diameter pipe, double longitudinal welding is accepted.

 

Heat Treatment

 

ASTM A312 TP316L grade minimum solution temperature is 1040 degree, then and cool rapidly, it can not be harden by annealing, both seamless and welded stainless steel pipes shall be furnished in heat treatment condition comply to ASTM A312 specification.

 

ASTM A312 TP316L Stainless Steel Pipe Sizes

 

Pipe sizes are based on ANSI B36.19, outside diameter ranges from NPS 1/8 inch to 30 Inch, that is 10.3 to 762 mm, DN 6 to DN 750, wall thickness ranges from Sch 5S to 80S.

Small diameter pipe, thin wall pipe and heavy wall pipe are available on request.

We should notice that pipe sizes under NPS 14 inch is not actual diameter, for example, NPS 8 inch, it is 219.08 mm, not 203.2 mm.

 

ASTM A312 Stainless Steel Pipe Tolerances

 

OD Tolerance WTH, Mm Length, Mm
10.3 To 48.3 +0.40/-0.80 +/-12.5%T +6/-0
Over 48.3 To 114.3 +0.80/-0.08
Over 114.3 To 219.1 +1.60/-0.80
Over 219.1 To 457.2 +2.40/-0.80
Over 457.2 To 660.4 +3.20/-0.80
Over 660.4 To 864 +4.00/-0.08
Over 864 To 1219.2 +4.80/-0.08

 

Quality Control

 

ASTM A312 TP316L pipe dimensional tolerance should be confirmed to above table, tight tolerance is often offered doe special requirement, mechanical tests should be performed in accordance with ASTM A312, flare for seamless pipes, flange and reverse flatten for welded pipes. In many cases, Hydrostatic pressure test is performed to ensure quality pipes.

 

ASTM A312/ASME SA312 TP316L AUSTENITIC SEAMLESS/WELDED STAINLESS STEEL PIPE 0

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