Multinox Inc

Stainless Steel 347H Pipe Supplier

Multinox INC is an eminent manufacturer and exporter of 347h Stainless Steel Pipes & Tubes in India. We are pioneers in Stainless Steel 347h EFW Pipes and Stainless Steel 347h ERW Tubes among other stainless steel products, serving piping and tubing needs of our worldwide clients.

The Stainless Steel 347h Pipes and Stainless Steel 347h Tubes are known for their mechanical and increased corrosion resistance properties, which allows them to be used for varied applications in industries like oil& gas, pharmaceuticals, Specialty chemical industries and paper and pulp industries among others.

347h Steel Seamless Pipes are preferred by many of our clients for medical devices and implants. Our SS 347h Pipes & Tubes offer greater biocompatibility due to the titanium – cobalt alloy. Stainless Steel 347h Square Pipes serves as an alternative to the 304 stainless steel pipe & tubes. Our Stainless Steel 347h Round Pipes resists rusting caused not only from organic but also inorganic chemicals.

We supply 347h Stainless Steel Welded Tubes which can be used in environments with high temperatures requiring high strength. We offer 347h Stainless Steel Tubing for our clients’ cementing and thermal cycling applications. Stainless Steel 347h Electopolished Tubes are generally manufactured by us based on standardized sizes, to fulfil the specifications of our clients.

We at Multinox INC ensure regular quality checks of our 347h SS Pipes & 347h SS Tubes products to maintain the strict benchmarks for its quality. Contact us to help us serve you better.

Available Forms & Types

Most Common

Round Bars

Cold drawn, centreless ground & polished. Used in shafts, fasteners, machined components.

  • OD: 4mm to 500mm
  • Bright / Polish / Black finish
  • Length: 1–6 metres
Precision

Hex Bars

Across-flat 18mm–57mm. Ideal for bolt, nut & valve body machining applications.

  • 18mm – 57mm A/F
  • Cold drawn condition
  • Non-magnetic grade
Structural

Square Bars

Used in structural fabrication, tooling and engineering. Custom sizes available.

  • 18mm – 47mm
  • Bright / Rough Turned
  • Custom sizes on request
Wide Range

Flat Bars

Width ½" to 10", thickness 2mm to 150mm. Sheared & edged or hot-rolled condition.

  • Width: ½" to 10"
  • Thickness: 2–150mm
  • Custom width available
Hollow

Hollow Bars

Seamless hollow bar for bushings, sleeves & valve bodies. Saves machining time.

  • OD: 4mm to 100mm
  • Various wall thickness
  • Centreless ground
High Strength

Forged Bars

Hot forged for superior grain structure. Heavy-duty industrial and aerospace use.

  • 15mm to 300mm
  • Ultrasonic tested
  • Rough turned finish

Specifications

Standard ASTM A312 / ASME SA312
Type Seamless, Welded (ERW, EFW, SAW), Fabricated
Seamless Pipe Size 1/8″ – 12″ NPS, Wall Thickness: 0.6 – 12.7 mm
Welded Pipe Size OD: 6.35 – 114.3 mm, Length: Up to 26 m
Heavy Wall Pipe Size OD: 10 – 600 mm, Wall Thickness: 2.5 – 100 mm
Schedule 5S, 10S, 40S, 80S, 100, 120, 140, 160, XXH
Form Round, Square, Rectangular, Oval
Finish Bright, Annealed, Mirror, Polished
End Plain End, Beveled End
Testing UT, RT, MT, PT, ET, PMI, Visual Inspection
Certifications ISO 9001, ISO 14001, OHSAS 18001, PED, NORSOK
HSN Code 73044900
 

Chemical Composition

C
0.04 – 0.10
Carbon
Cr
17.0 – 20.0
Chromium
Mn
2.00 Max
Manganese
Ni
9.0 – 13.0
Nickel
P
0.03 Max
Phosphorus
S
0.30 Max
Sulfur
Si
0.75 Max
Silicon
Ta/Cb
10 × C – 1.00
Tantalum + Columbium

Equivalent Grades

UNS
S34700
USA
EN
1.4550
European Steel Number
JIS
SUS347
Japanese Standard
UNI
—
Italy
GB
1Cr16Ni35
Chinese Standard
PN
—
Poland
SFS
—
Finland
ONORM
—
Austria
DIN / W.NR.
1.4550
Germany
EN NAME
X6CrNiNb18-10
European Steel Name
GOST
08KH18N12B
Russian Standard
BS
347S31
British Standard
INOX
AISI 347
Germany
SS
2338
Swedish Standard
ČSN
347
Czech Standard
AISI / SAE
347
USA Standard
SANS 50028-7
—
South Africa

Mechanical Properties

75 ksi (515 MPa) Min
Ultimate Tensile Strength
30 ksi (205 MPa) Min
Yield Strength (0.2% Offset)
40% Min
Elongation
201 HB Max
Hardness (Brinell)
95 HRB Max
Hardness (Rockwell B)

Size Range

Nominal Size (Inch) Outside Diameter (mm) Outside Diameter (Inch) Wall Thickness (mm) Wall Thickness (Inch)
1/8"10.30.411.730.068
1/4"13.70.542.240.088
3/8"17.10.682.310.091
1/2"21.30.842.770.109
3/4"26.71.052.870.113
1"33.41.323.380.133
1 1/4"42.21.663.560.140
1 1/2"48.31.903.680.145
2"60.32.3753.910.154
2 1/2"73.02.8755.160.203
3"88.93.505.490.216
3 1/2"101.64.005.740.226
4"114.34.506.020.237
5"141.35.5636.550.258
6"168.36.6257.110.280
8"219.18.6258.180.322
10"273.010.759.270.365
12"323.812.7510.310.406
14"355.614.0011.130.437
16"406.416.0012.700.500
18"457.018.0014.270.562
20"508.020.0015.090.594
24"610.024.0017.480.688
32"813.032.0017.480.688

Recent Export Deliveries

🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
304 SS Round Bars, 50mm OD, ASTM A276
Delivered in 7 days
🇺🇸
Hess Corporation
New York City, USA
SS 304 Hex Bars, 40mm A/F, Cold Drawn
Delivered in 14 days
🇬🇧
Shell PLC
London, United Kingdom
304 SS Flat Bars, 100×20mm, Bright Finish
Delivered in 14 days
🇦🇪
ADNOC
Abu Dhabi, UAE
304 SS Square Bars, 40mm, Forged Grade
Delivered in 5 days
🇿🇦
Sasol Limited
Johannesburg, South Africa
SS 304 Hollow Bars, 80mm OD × 20mm wall
Delivered in 21 days
🇩🇪
BASF SE
Ludwigshafen, Germany
304 SS Round Bars 25–100mm, EN 10204 3.2
Delivered in 18 days

Availability of Stainless Steel Pipes

Stainless Steel 304 Pipe Stainless Steel 304L Pipe
Stainless Steel 316 Pipe Stainless Steel 316L Pipe
Stainless Steel 316Ti Pipe Stainless Steel 310 Pipe
Stainless Steel 317L Pipe Stainless Steel 321 Pipe
Stainless Steel 347 Pipe Stainless Steel 347H Pipe
Stainless Steel 410 Pipe Stainless Steel 416 Pipe
Stainless Steel 420 Pipe Stainless Steel 430 Pipe
Stainless Steel 440 Pipe Stainless Steel 440C Pipe
Stainless Steel 446 Pipe Stainless Steel S44600 Pipe
Stainless Steel EN 1.4749 Pipe Stainless Steel 17-4PH Pipe
Stainless Steel 15-5PH Pipe Stainless Steel 904L Pipe

Latest Prices of Pipes

Multinox INC offers Pipes at one of the most competitive prices in India. Request the latest Pipes Pricelist using the contact form here.