Stainless Steel Pipes Manufacturers, Stainless Steel Tubes Suppliers in India – Top Suppliers of SS Pipes & Tubes, SS Tubing’s

Top Quality Stainless Steel Seamless Pipes Manufacturers, Stainless Steel Instrumentation Tubes – Call Us for Best Prices Now!

Seamless & Welded Stainless Steel Pipes – ASTM A 312 TP304/304L, TP316/316L/316Ti, 321H, 347H, 317L, 904L, 310S, DUPLEX

An ISO 9001:2008 Certified Company, Metline Industries is a leading manufacturer and exporter of stainless steel pipes and stainless steel tubes in India. Our entire range of stainless steel pipes and stainless steel tubes are generally available in 6 meter lengths, but can be cut to size and supplied with relevant test certificates.

Table of Contents – Click Below

  1. Types of Stainless Steel Pipes Sold by Metline Industries
  2. Testing & Value Added Services Offered for Stainless Steel Pipes
  3. Production, Supply, Stock Range of Stainless Steel Pipes
  4. Chemical Composition of Stainless Steel Pipes
  5. Mechanical Properties of Stainless Steel Pipes
  6. Dimensions of Stainless Steel Pipes
  7. Outside Diameter Tolerance for Stainless Steel Pipes
  8. Wall Thickness Tolerance of Stainless Steel Pipes
  9. Manufacturing Specifications for Stainless Steel Pipes
  10. Markings Format on Stainless Steel Pipes
  11. Export Destinations of Metline Industries for Stainless Steel Pipes
  12. Domestic Supply Destinations of Metline for Stainless Steel Pipes

Our comprehensive stock of stainless steel pipes are in accordance with material specification ASTM A312 and dimensional specification ANSI/ASME B36.19M and ANSI/ASME B36.10M. Our extensive stocks of stainless steel seamless pipes and stainless steel welded pipes comprises of pipes and tubes in a size range of 6 NB (1⁄8”) to 600 NB (24”) in SCH 10 and SCH 40. Stainless steel seamless pipes are also available ex-stock in heavier schedules such as SCH 80S, SCH 160 and XXS.

10″ SCH 40 Stainless Steel Pipes | 6″ SCH 10 Stainless Steel Pipes1/2″ SCH 40 Stainless Steel Tubes | SS Tubes

Stainless Steel Pipes, Stainless Steel Tubing – TP304/304L, TP316L Tubes Available in Size range: 1/2” Sch 5 through to 36″ Sch 40

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Stainless Steel Pipes Manufacturer, Stainless Steel Tubes Supplier in India- ASTM A312, A249, A213, A269
Metline Industries is a leading manufacturer and exporter of stainless steel pipes and stainless steel tubes in India. Our inventory includes stainless steel pipes and tubes in many grades including SS304, SS304L, SS321, SS321H, SS316L, SS347H, SS317L, Duplex 2205/UNS 31803, Super Duplex 2507, 904L and stainless steel 446. 304/304L stainless steel pipes/tubes and 316/316L stainless steel pipes/tubes are readily available in all standard pipe sizes and schedules including Sch 5, Sch 10, Sch 40s and Sch 80s.
Brand: Metline, European Origin, Japanese Origin, Korea Origin, US Origin, Russia Origin, Indian Origin
Manufacturer: Metline Industries, Posco Korea, VDM Germany, Tubacex, Nippon Steel Corporation, Sumitomo Japan, Indian Mills, Walsin
Model: 1/2 inch NB to 48 inch NB
Product ID: MET1011

Call Us for Best Prices for Stainless Steel Pipes, Stainless Steel Tubes and Other Special Alloys!

Buy High Quality Stainless Steel Pipes, SS Tubes! Call Us Now +919833604219 Mail Us sales@metline.in

Special Sizes or Non Standard Size Stainless Steel Pipes Available on Request – Contact Us

Stainless Steel Pipes Supplier, Stockholder in Mumbai - Seamless Pipes, Welded Pipes, ERW Pipes, Polished Pipes, Capillary Tubes, Coiled Tubing's

Stainless Steel Pipes Supplier, Stockholder in Mumbai – Seamless Pipes, Welded Pipes, ERW Pipes, Polished Pipes, Capillary Tubes, Coiled Tubing’s

Custom size large diameter fabricated stainless steel welded pipes can be offered with 100% X-Ray welding reports to meet the most challenging requirements of our customers. Our inventory includes stainless steel pipes and tubes in many grades including SS304, SS304L, SS321, SS321H, SS316L, SS347H, SS317L, Duplex 2205/UNS 31803, Super Duplex 2507, 904L and stainless steel 446.

Our high quality stainless steel pipes and stainless steel tube products exhibit greater corrosion resistance, high strength, durability, and machining ability. Stainless steel pipes and stainless steel tubes are most widely used in petrochemical plants, oil and gas equipments, heat exchanger equipment’s, sea water applications, pharmaceuticals, general fabrication purposes, chemical processing equipment, food and beverage industry and water treatments plants. Stainless steel pipes and tubes are used for water and oil and gas transmission as they can withstand harsh climatic conditions and high internal and external pressure.

In addition to standard size stainless steel pipes and stainless steel tubes, we specialise in providing our customers with custom size pipe and tube requirements through with the help of our extensive network of worldwide suppliers. Our commitment to provide our customers with best quality products has helped us become one of the biggest suppliers of stainless steel pipes and stainless steel tubes in India and international market.

Stainless Steel Seamless Pipes & Tubes

Metline Industries provides ex-stock supply of stainless steel seamless pipes per ASTM A312 in 304/304L, 316/316L/316Ti, 321H, SS347H, 317L, 904L and SS446 among other special grades. 304/304L stainless steel pipes/tubes and 316/316L stainless steel pipes/tubes are readily available in all standard pipe sizes and schedules including Sch 5, Sch 10, Sch 40s and Sch 80s. Stainless steel seamless tubes are available in compliance with ASTM A213 and ASTM A269 in common grades of such as 304/304L and 316/316L in standard tube sizes and wall thicknesses. We can offer custom size cold drawn stainless steel pipes and stainless steel tubes to our customers. Generally stainless steel pipes and stainless steel tubes are available in standard OD or NB sizes. However, with our tube processing capabilities we can offer any custom size outside diameter and thickness to our customers.

Stainless Steel Welded Pipes & Tubes

Metline Industries provides ex-stock supply of stainless steel welded pipes in accordance with ASTM A312 in common grades such as 304/304L and 316/316L in standard pipe sizes and schedules including Sch 5, Sch 10, Sch 40s and Sch 80s. Metline specialises in the supply of 100% X-Ray Welded custom sizes large diameter fabricated stainless steel pipes. All custom fabricated stainless steel pipe products are accompanied with X-Ray reports and chemical and physical properties certification from NABL approved labs. Specialty testing, including Hydro Testing, Destructive Test, and Non Destructive Test reports can be supplied upon customer request.

Stainless Steel Pipes, Stainless Steel Tubes Testing & Value Added Processing Services from METLINE

  1. Stainless Steel Pipe Polishing
  2. Stainless Steel Pipe Beveling
  3. Heat Treatment, Annealing, Pickling
  4. Ultrasonic Testing
  5. 100% X-Ray Welding for Large Diameter Custom Size Stainless Steel Pipes
  6. Tube Processing
  7. Special Testing Requirements – Destructive Testing, Non Destructive Testing etc.

Production, Supply, Stock Range of Stainless Steel Pipes and Stainless Steel Tubes

Stainless Steel Pipe Manufacturing Grades
Austenite Stainless Steel Pipe Grades 304/304L, 316/316L, 304H, 304LN, 316Ti, 310S, 904L, 317L, 321/321H, 347/347H
Martensite Stainless Steel Pipes Grades 446, 410S
Duplex Stainless Steel Pipes Grades S31803, S32205, S32750, Duplex 2205, Super Duplex 2507

 

Outside Diameter 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Thickness Range 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type Seamless / ERW / Welded / Fabricated / CDW
Form Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
Length Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded
End Protection Plastic Caps
Surface Finish: 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials Sizes and Specifications other than above can be manufactured on request

Chemical Composition of Stainless Steel Pipes, as per ASTM A312 Manufacturing Standard

The below table shows the chemical composition of the most used A312 Stainless Steel Pipes:

A312 GRADES UNS C Mn P S Si Cr Ni Mo Ti Nb N
TP304 S30400 0.08 2 0.045 0.03 1 18.0-20.0 8.0-11.0
TP304L S30403 0.035 2 0.045 0.03 1 18.0-20.0 8.0-13.0
TP304H S30409 0.04-0.10 2 0.045 0.03 1 18.0-20.0 8.0-11.0
TP304N S30451 0.08 2 0.045 0.03 1 18.0-20.0 8.0-18.0 0.10-0.16
TP304LN S30453 0.035 2 0.045 0.03 1 18.0-20.0 8.0-12.0 0.10-0.16
TP309S S30908 0.08 2 0.045 0.03 1 22.0-24.0 12.0-15.0 0.75
TP309H S30909 0.04-0.10 2 0.045 0.03 1 22.0-24.0 12.0-15.0
TP309Cb S30940 0.08 2 0.045 0.03 1 22.0-24.0 12.0-16.0 0.75 10xC min
1.10 max
TP309HCb S30941 0.04-0.10 2 0.045 0.03 1 22.0-24.0 12.0-16.0 0.75 10xC min
1.10 max
TP310S S3108 0.08 2 0.045 0.03 1 24.0-26.0 19.0-22.0 0.75
TP310H S3109 0.04-0.10 2 0.045 0.03 1 24.0-26.0 19.0-22.0
TP310Cb S31040 0.08 2 0.045 0.03 1 24.0-26.0 19.0-22.0 0.75 10xC min
1.10 max
TP310HCb S31041 0.04-0.10 2 0.045 0.03 1 24.0-26.0 19.0-22.0 0.75 10xC min
1.10 max
TP316 S3160 0.08 2 0.045 0.03 1 16.0-18.0 11.0-14.0 2.0-3.0
TP316L S31603 0.035 2 0.045 0.03 1 16.0-18.0 10.0-14.0 2.0-3.0
TP316H S31609 0.04-0.10 2 0.045 0.03 1 16.0-18.0 11.0-14.0 2.0-3.0
TP316Ti S31635 0.08 2 0.045 0.03 0.75 16.0-18.0 10.0-14.0 2.0-3.0 5x 0.1
(C-N)
-0.7
TP316N S31651 0.08 2 0.045 0.03 1 16.0-18.0 10.0-14.0 2.0-3.0 0.10-0.16
TP316LN S31653 0.035 2 0.045 0.03 1 16.0-18.0 11.0-14.0 2.0-3.0 0.10-0.16
TP317 S3170 0.08 2 0.045 0.03 1 18.0-20.0 10.0-14.0 3.0-4.0
TP317L S31703 0.035 2 0.045 0.03 1 18.0-20.0 11.0-15.0 3.0-4.0
TP321 S3210 0.08 2 0.045 0.03 1 17.0-19.0 9.0-12.0 0.1
TP321H S32109 0.04-0.10 2 0.045 0.03 1 17.0-19.0 9.0-12.0 0.1
TP347 S3470 0.08 2 0.045 0.03 1 17.0-19.0 9.0-13.0
TP347H S34709 0.04-0.10 2 0.045 0.03 1 17.0-19.0 9.0-13.0
TP347LN S34751 0.05-0.02 2 0.045 0.03 1 17.0-19.0 9.0-13.0 0.20- 0.06-0.10
50
TP348 S3480 0.08 2 0.045 0.03 1 17.0-19.0 9.0-13.0
TP348H S34809 0.04-0.10 2 0.045 0.03 1 17.0-19.0 9.0-13.0

Mechanical Properties of Stainless Steel Pipes, as per ASTM A312

ASTM A312 Mechanical Properties
Material Heat Temperure Tensile Strength Yield Strength Elongation %, Min
Treatment Min. Ksi (MPa), Min. Ksi (MPa), Min.
º F(º C)
TP304 Solution 1900 (1040) 75(515) 30(205) 35
TP304L Solution 1900 (1040) 70(485) 25(170) 35
TP304H Solution 1900 (1040) 75(515) 30(205) 35
TP310S Solution 1900 (1040) 75(515) 30(205) 35
TP316 Solution 1900(1040) 75(515) 30(205) 35
TP316L Solution 1900(1040) 70(485) 25(170) 35
TP316H Solution 1900(1040) 75(515) 30(205) 35
TP316Ti Solution 1900(1040) 75(515) 30(205) 35
TP321 Solution 1900(1040) 75(515) 30(205) 35
TP321H Solution Cold: 2000(1100) 75(515) 30(205) 35
Hot: 1925(1050)
TP347 Solution 1900(1040) 75(515) 30(205) 35
TP347H Solution Cold: 2000(1100) 75(515) 30(205)
Hot: 1925(1050)

Dimensions of Welded and Seamless Stainless Steel Pipe

NPS Outside Diameter Nominal Wall Thickness
Designator in. mm Schedule 5S Schedule 10S Schedule 40S Schedule 80S
in. mm in. mm in. mm in. mm
1/8 0.41 10.29 0.049 1.24 0.068 1.73 0.095 2.41
1/4 0.54 13.72 0.065 1.65 0.088 2.24 0.119 3.02
3/8 0.68 17.15 0.065 1.65 0.091 2.31 0.126 3.2
1/2 0.84 21.34 0.065 1.65 0.083 2.11 0.109 2.77 0.147 3.73
3/4 4.05 26.67 0.065 1.65 0.083 2.11 0.113 2.87 0.154 3.91
1 1.32 33.4 0.065 1.65 0.109 2.77 0.133 3.38 0.179 4.55
1 1/4 1.66 42.16 0.065 1.65 0.109 2.77 0.14 3.56 0.191 4.85
1 1/2 1.90 48.26 0.065 1.65 0.109 2.77 0.145 3.68 0.2 5.08
2 2.38 60.33 0.065 1.65 0.109 2.77 0.154 3.91 0.218 5.54
2 1/2 2.88 73.03 0.083 2.11 0.12 3.05 0.203 5.16 0.276 7.01
3 3.50 88.9 0.083 2.11 0.12 3.05 0.1216 5.49 0.3 7.62
3 1/2 4.00 101.6 0.083 2.11 0.12 3.05 0.226 5.74 0.318 8.08
4 4.50 114.3 0.083 2.11 0.12 3.05 0.237 6.02 0.337 8.56
5 5.56 141.3 0.10*9 2.77 0.134 3.4 0.258 6.55 0.375 9.52
6 6.63 168.28 0.10*9 2.77 0.134 3.4 0.28 7.11 0.432 10.97
8 8.63 219.08 0.109 2.77 0.148 3.76 0.322 8.18 0.5 12.7
10 10.75 273.05 0.134 3.4 0.165 4.19 0.365 9.27 0.5 12.7
12 12.75 323.85 0.156 3.96 0.18 4.57 0.375 9.52 0.5 12.7
14 14.00 355.6 0.156 3.96 0.188 4.78
16 16.00 406.4 0.165 4.19 0.188 4.78
18 18.00 457.2 0.165 4.19 0.188 4.78
20 20.00 508 0.188 4.78 0.188 4.78
22 22.00 558.8 0.188 4.78 0.218 5.54
24 24.00 609.6 0.218 5.54 0.25 6.35
30 30.00 762 0.25 6.35 0.312 7.92

Outside Diameter Tolerance of Stainless Steel Pipes

NPS ASTM A312 OD Tolerance
+
inch mm inch mm
1/8~1 1 /2 1/64(0.015) 0.4 1/32(0.031) 0.8
> 1 1 /2~4 1/32(0.031) 0.8 1/32(0.031) 0.8
> 4~8 1/16(0.062) 1.6 1/32(0.031) 0.8
> 8~18 3/32(0.093) 2.4 1/32(0.031) 0.8
> 18~26 1/8(0.125) 3.2 1/32(0.031) 0.8
> 26~34 5/32(0.156) 4 1/32(0.031) 0.8
> 34~48 3/16(0.187) 4.8 1/32(0.031) 0.8

Wall Thickness Tolerance of Stainless Steel Pipes

NPS ASTM A312 WT Tolerance, %
+
1/8-2 1 /2 20 12.5
3~18, t/D≤ 5% 22.5 12.5
3~18, t/D> 5% 15 12.5
≥ 20, welded 17.5 12.5
≥ 20, seamless, t/D≤ 5% 22.5 12.5
≥ 20, seamless, t/D> 5% 15 12.5

Stainless Steel Pipes Manufacturing Specifications

ASTM A312: Seamless and straight-seam welded austenitic pipe intended for high temperature and general corrosive service. Filler metal not permitted during welding.

ASTM A358: Electric fusion welded austenitic pipe for corrosive and/or high temperature service. Typically only pipe up to 8 inch is produced to this specification. Addition of filler metal is permitted during welding.

ASTM A790: Seamless and straight-seam welded ferritic/austenitic (duplex) pipe intended for general corrosive service, with a particular emphasis on resistance to stress corrosion cracking.

ASTM A409: Straight-seam or spiral-seam electric fusion welded large diameter austenitic light-wall pipe in sizes 14” to 30” with walls Sch5S and Sch 10S for corrosive and/or high

ASTM A376: Seamless austenitic pipe for high temperature applications.

ASTM A813: Single-seam, single- or double- welded austenitic pipe for high temperature and general corrosive applications.

ASTM A814: Cold-worked welded austenitic pipe for high temperature and general corrosive service.

Markings on Stainless Steel Pipes

The full identification of the pipe should be continuously marked down its whole length, including:

  1. Nominal Pipe Size (Nominal Bore)
  2. Schedule (Wall Thickness)
  3. Specification
  4. Grade
  5. Method of Manufacture (Seamless or Welded)
  6. Heat Number
  7. Manufacturer’s Name or Symbol – Optional

Example – ASTM A 312 Pipe 304 12″ NB SCH 40S SMLS HEAT NO. XXX

Export Destinations for Stainless Steel Pipes and Stainless Steel Tubes

Product reliability and performance has made Metline Industries a leading exporter and distributor of stainless steel pipes, stainless steel tubes and stainless steel tubing in India and international markets such as UAE, Bahrain, Indonesia, Malaysia, Mexico, Chile, Brazil, Peru, Nigeria, Kuwait, Jordan, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan, Saudi Arabia. Our high quality steel pipes, good customer service, and in house pipes and tubes processing capabilities have made us one of the emerging suppliers for steel pipes and tubes in Middle East countries including Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates and Yemen.

Domestic Supply Destinations for Stainless Steel Pipes and Stainless Steel Tubes

Our products are supplied to all major Industrial areas and cities in India such as Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Kochi (Cochin), Bhavnagar, Tirupur, Ankleshwar, Assam, Siliguri, Jamshedpur, Warangal, Nellore, Agartala and Thoothukudi

Key Products:  Stainless Steel Pipes Suppliers, Stainless Steel Tubes Manufacturers, SS Pipes Exporters in India, Instrumentation Tubes Supplier, ASTM A312 TP 304L Stainless Steel Pipes, ASTM A312 TP 316L Stainless Steel Pipes, ASTM A312 TP 316Ti Stainless Steel Pipes, ASTM A312 TP 321H Stainless Steel Pipes, Cold Drawn Stainless Steel Tubes Suppliers in India, Fabricated Stainless Steel Pipes, Duplex Stainless Steel Pipes, Stainless Steel Tubing Suppliers, Stainless Steel Seamless Pipes, Stainless Steel Welded Pipes, 24″ Stainless Steel Pipe, 36″ Stainless Steel Pipes,  NB Size Stainless Steel Pipes, 20″ Stainless Steel Pipes