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A213 TP316L/S31603/SUS316L STAINLESS STEEL SEAMLESS TUBE HEAT EXCHANGER

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A213 TP316L/S31603/SUS316L STAINLESS STEEL SEAMLESS TUBE HEAT EXCHANGER

Country/Region china
City & Province ningbo zhejiang
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Product Details

A213 TP316L/S31603/SUS316L STAINLESS STEEL SEAMLESS TUBE HEAT EXCHANGER

 

 

Overview

 

Grade 316 Stainless Steel Tubes or UNS S31600 Tubes are one of the most common grades of stainless steel offers good strength and heat resistant and oxidation resistance properties in continuous temperature service. The key properties of this material are its high chromium and medium nickel content making its resistance to oxidation, sulfidation and other forms of hot corrosion its main characteristics.

 

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm).

 

 

Specification

 

ASTM A213/A213M-21a Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes.

ASTM A249 / A249M : Standard Specification for Welded Austenitic Steel Boiler, Superheater Heat-Exchanger, and Condenser Tubes.

Other Standard : DIN 17456 , DIN 17458, EN10216-5, GOST 9940-81, GOST 9941-81, JIS-G3463...

Specifications

ASTM A213 / ASME SA213

Dimensions

ASTM, ASME and API

Range

1/2"OD - 12"OD

Outside Diameter

3.00 mm - 219.10 mm, 6.35 mm O.D to 114.3 mm O.D

Length

Single Random, Double Random & Required Length

Thickness

0.40 mm - 12.70 mm, 0.8 mm to12.7 mm

Schedule

SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS

Type

Seamless

Form

Round Tube, Square Tube, Rectangular Tube

End

Plain End, Beveled End, Treaded

 

 

SS316L Tubes Equivalent Grades

 

STANDARD

WERKSTOFF NR.

UNS

JIS

BS

GOST

AFNOR

EN

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

 

 

Chemical Composition

 

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

Fe

SS 316L

0.035 max

2.0 max

1.0 max

0.045 max

0.030 max

16.00 - 18.00

2.00 - 3.00

10.00 - 14.00

68.89 min

 

 

Mechanical Properties

 

Density

Melting Point

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

8.0 g/cm3

1399 °C (2550 °F)

Psi – 75000 , MPa – 515

Psi – 30000 , MPa – 205

35 %

 

 

Some of the quality tests carried out by us including

 

Corrosion Test

Conducted only when specially requested by the client

Chemical Analysis

Test done as per required quality standards

Destructive / Mechanical Testing

Tensile | Hardness | Flattening | Flare | Flange

Reverse-bend and Re. flat tests

Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end

Eddy Current Testing

Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System

Hydrostatic Testing

100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .

Air Under Pressure Test

To check any evidence of air leakage

Visual Inspection

After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections


 

Supplementary Testing

 

  • - Eddy Current Testing

  • - O.P Testing

  • - Radiography Testing

  • - Corrosion Testing

  • - Micro Testing

  • - Macro Testing

  • - IGC Testing

  • - Ultrasonic testing

  • - Liquid Penetrate testing

 

 

Applications

  • 1. Food preparation equipment particularly in chloride environments.

  • 2. Laboratory benches & equipment.

  • 3. Coastal architectural panelling, railings & trim.

  • 4. Boat fittings.

  • 5. Chemical containers, including for transport.

  • 6. Heat Exchangers.

  • 7. Woven or welded screens for mining, quarrying & water filtration.

  • 8. Threaded fasteners.

  • 9. Springs.

 

 

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