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Stainless Steel EFW Tube in Mumbai, India



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High Precision Stainless Steel EFW Tubes, of ASTM A312 Stainless Steel 304/304L EFW Tubes, Exporter of Stainless Steel 317/317L Cold Drawn EFW Tubes, Stainless Steel High Quality EFW Tubes Stockist.

of Stainless Steel 304/304L EFW Tubes, Stainless Steel 317/317L EFW Tubes Supplier, Stainless Steel 310 Cold Drawn EFW Tubes in India, Stainless Steel 347/347H EFW Tubes in India.

ASTM A358 Stainless Steel EFW Tubes, Steel Grade 304/L/H, 316L/H, 317, 317L, 321/H, 347, 347H, 410, 446, 904L Welded EFW Tubes Leading Manufacturers.

Stainless Steel EFW Tubes of premium quality is supplied by KOBSINDIA, per ASTM A 213, ASTM A 269 and ASTM A 511. Not only we stock standard sizes and grades of Seamless tubes in Stainless Steel SS304 & SS316, but we also do maintain huge inventories of based tubes in 304H, 309/S, 310/S, 317/L, 321H, 347H, Alloy 20, Duplex 2205, Duplex 2507, Alloy 200/201, C276, Alloy 400, Alloy 600, Alloy 625, Alloy 800H, Alloy 800HT, 254SMO, AL6XN and others. Stainless Steel ASTM A312 EFW Pipe, the tube shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.

KOBSINDIA has pride in providing a whole range of high-class, customizable and innovative ASTM A312 304/304L/304H Stainless Steel EFW Tubes using state-of-art technology. Our range includes ASTM A312 304/304L/304H Stainless Steel EFW Pipes, Stainless Steel Seamless Tubes, Seamless Pipes & Tubes and Seamless Tubes. For more than five decades, KOBSINDIA has been serving the needs of the oil and gas industries, automotive, shipbuilding, power plants. All the supply records for most of the severe environment of ASTM A312 304/304L/304H Stainless Steel EFW Pipes & pipe line indicate that KOBSINDIA is the leader in line pipe technologies.

ASTM A312 SS EFW Tubes, High Temperature EFW Tubes, SCH20, SCH30 EFW Tubes, Dual Stainless Steel Rectangular EFW Tubes, Electropolished Tubes, Stainless Steel 317/317L EFW High Temperature Pipe Stockiest.


Standards Specification:

Range : 6NB to 1200NB

Outer Diameter : 1/8" NPS to 12" NPS

Thickness : 0.6 mm to 12.7 mm

Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.

Length : Single Random, Double Random & Cut Length

Specifications : ASTM A312 / ASTM SA312

Types : Round, Square, Rectangle, Hydraulic, Honed Tubes

End : Plain End, Beveled End

 

Chemical Composition 304, 304L, 304H

C Mn Si P S Cr Ni N
304 0.07max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 10.5 —
304L 0.03max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 12.0 0.10 max
304H (1.4948) min: 0.04 max:0.10 Max: 2.0 Max:0.75 Max : 0.045 Max: 0.030 min: 18.0 max: 20.0 min: 8.0 max: 10.5 -

Chemical Composition 309, 310, 310S

SS 309SS 310SS 310S
Ni 14 max 19 – 22 19 – 22
Cr 23 max 24 – 26 24 – 26
C 0.20 max 0.25 max 0.08 max
Fe 60 max Balance
Mn 2 max 2 max 2 max
Si 1 max 1.50 max 1.50 max
S 0.030 max 0.03 max 0.03 max
P 0.045 max 0.045 max 0.045 max

Chemical Composition 316, 316L, 316H

C Mn Si P S Cr Mo Ni N
316
 0.08
max		 2.0
max		 0.75
max		 0.045
max		 0.03
max		 min: 16.0
max: 18.0		 min: 2.0
max: 3.0		 min: 10.0
max: 14.0		 0.10
max
316L
 0.03
max		 2.0
max		 0.75
max		 0.045
max		 0.03
max		 min: 16.0
max: 18.0		 min: 2.0
max: 3.0		 min: 10.0
max: 14.0		 0.10
max
316H - - - - - 16.0 2.00 10.0 -
0.08 2 0.75 0.045 0.03 18.0 3.00 14.0 0.1

Chemical Composition 317, 317L

Grade C Mn Si P S Cr Mo Ni N
317 0.08 max 2 max 1 max 0.040 max 0.03 max 18 – 20 3 – 4 11 – 14 -
317L 0.035 max 2 max 1 max 0.040 max 0.03 max 18 – 20 3 – 4 11 – 15 -

Chemical Composition 321, 321H

% Cr Ni C Si Mn P S N Ti Fe
321 min:17.0
max:19.0		 min: 9.0
max:12.0		 max:0.08 max:0.75 max:2.0 max:0.045 max:0.03 max:0.10 min:5*(C+N)
max:0.70		 Balance
321H min:17.0
max:19.0		 min: 9.0
max:12.0		 min:0.04
max:0.10		 min:18.0
max:20.0		 max:2.0 max:0.045 max:0.03 max:0.10 min:5*(C+N)
max:0.70		 Balance

Chemical Composition 347, 347H

C Cr Mn Ni P S Si Cb/Ta
347 0.08 max min: 17.0
max: 20.0 		2.0 max min: 9.0
max: 13.0 		0.04 max 0.30
max 		0.75
max 		min:10x C
max: 1.0
347H min: 0.04
max: 0.10 		min: 17.0
max: 20.0 		2.0 max min: 9.0
max: 13.0		 0.03 max 0.30
max		 0.75
max		 min:10x C
max: 1.0

Chemical Composition 904L

C Cr Cu Mn Mo Ni P S
Max     Max     Max Max
0.02 19.0-23.0 2.0 4.0-5.0 23.0-28.0 0.045 0.035 1.0

Mechanical Properties 309 / 310 / 310S

Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Brinell) MAX Hardness (Rockwell B) MAX
304 75 30 40 201 92
304L 70 25 40 201 92
304H 75 30 40 201 92

Mechanical Properties 316, 316L, 316H

Grade Tensile Strength
ksi (min)		 Yield Strength
0.2% ksi (min)		 Elongation % Hardness (Brinell) MAX Hardness
(Rockwell B) MAX
316
 75 30 40 217 95
316L
 70 25 40 217 95
316TI 515(Mpa) 205(Mpa) 35 205 75

Mechanical Properties 317, 317L

Density 8.0 g/cm3
Melting Point 1454 °C (2650 °F)
Tensile Strength Psi – 75000 , MPa – 515
Yield Strength (0.2%Offset) Psi – 30000 , MPa – 205
Elongation 35 %

Mechanical Properties 321, 321H

Grade Tensile Strength
ksi (min.)		 Yield Strength 0.2%
Offset ksi (min.)		 Elongation -
% in
50 mm (min.)		 Hardness
(Brinell) MAX
321/321H 75 30 40 217

Mechanical Properties 347, 347H

Grade Tensile Strength ksi (MPa) min Yield Strength 0.2% ksi offset ksi (MPa) min Elongation (% in 50mm) min Hardness (Brinell) MAX Hardness (Rockwell B) MAX
347/347H 75
(515) 		30
(205) 		40 201 95

Mechanical Properties 904L

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) Brinell (HB)
904L 490 220 36 70-90 typical 150

Product Features:

  • Durability
  • High strength
  • Effective functionality
  • Sturdy construction
  • Corrosion resistance
  • Dimensional accuracy

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Stainless Steel EFW Tube in Mumbai, Stainless Steel EFW Tube Manufacturers in Mumbai, Stainless Steel EFW Tube Suppliers in Mumbai, Stainless Steel EFW Tube Exporters in Mumbai, Stainless Steel EFW Tube Stockists in Mumbai.

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Manufacturing Process :

The process commences with the formation of welded mother tube on the tube mill from imported and tested prime quality stainless steel strips. The latest TIG multi electrode welding technique is employed for superior weld quality and 100% Fusion, with argon purging, No filler metal added.

Product Usage & Application :

  • Useful in Paper & Pulp Companies
  • Useful in High Pressure Applications
  • Useful in Oil and Gas Industry
  • Useful in Chemical Refinery
  • Useful in Pipeline
  • Useful in High Temperature Application
  • Useful in Water Pipe Line
  • Useful in Nuclear Power Plants
  • Useful in Food Processing and Dairy Industries
  • Useful in Boiler & Heat Exchangers

Other grades also available :

Duplex Steel:
Grade: 2205
Nickel :
Grade: Nickel 200, Nickel 201
Super Duplex Steel:
Grade: 2507 (UNS S32750), Z100
Inconel :
Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718
Titanium :
Grade: Gr1, Gr2, Gr3, Gr5, Gr7, Gr11
Monel :
Grade: Monel 400, Monel K500, Monel R-405
Hastalloy :
Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X
Incoloy :
Grade: Incoloy 800, Incoloy 800H, Incoloy 800HT

Packing :

  • Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
  • We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
    • Shrink-wrapped
    • Carton boxes
    • Wooden pallets
    • Wooden boxes
    • Wooden crates

Why Choose Us :

  • You can get the perfect material according to your requirement at the least possible price.
  • We also offer Reworks, FOB, CFR, CIF, and door to door delivery prices. We suggest you to do deal for shipping which will be quite economical.
  • The materials we provide are completely verifiable, right from raw material test certificate to the final dimensional statement.(Reports will show on requirement)
  • e guarantee to give a response within 24hours(usually in the same hour)
  • You can get stock alternatives, mill deliveries with minimizing manufacturing time.
  • We are fully dedicated to our customers. If it will not possible to meet your requirements after examining all options, we will not mislead you by making false promises which will create good customer relations.

Tests we carry out (including both Destructive and Non-Destructive) :

  • Positive material recognition
  • Mechanical examining like tensile, Elongation and reduction of area.
  • Large-scale test
  • Chemical examination-Spectro analysis
  • Firmness test
  • Pitting protection test
  • Small tests
  • X-ray test
  • Impact analysis
  • Eddy current examining
  • Hydrostatic analysis
  • Prompt test

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