Stainless steel

304, 304L, 304H Pipes

Most Prominent Stainless Steel 304 Seamless Pipes, ASTM A312 SS 304L Pipes, Steel 304H Welded Pipes, ASME SA358 SS 304 Welded Pipes, SS 304L ERW Pipes, Stainless Steel 304H EFW Pipes Manufacturer & Suppliers in India

ASTM A312M Stainless Steel UNS S30400 Round Pipes, SS UNS S30403 Square Pipes, Steel 304H Treaded Pipes, SS UNS S30409 Hollow Pipes, SS 304L Rectangular Pipes, , SS DIN 1.4948 Hot Rolled Pipes, Stainless Steel 304H High-Pressure Pipes Stockists

Sunflex Metal Industries is one of the leading manufacturer, exporter, and supplier of Stainless Steel 304, 304L, 304H Pipes which can deliver worldwide and keep the customer happy.  We are experts in manufacturing the stainless steel pipes in a wide range of standards, grades and sizes according to the requirement of our customers. These pipes are most commonly used in petroleum refineries, pipelines, condensers, steam exhausts etc.

Stainless Steel 304 Pipes are having the high demand due to their various uses in fitting applications, excellent corrosion resistance, and formability. These are mainly used in equipment parts which require good overall performance. Type Stainless Steel 304 Seamless Pipes are used in equipment manufacturing, steel and aluminum manufacturing etc. Type Stainless Steel 304 Welded Pipes are used in high temperature and high-pressure applications. Stainless steel 304 and 304L pipes have good machinability and excellent weldability characteristics with or without adding filler metals.

We offer SS 304L Pipes which are low carbon content version of 304 grade and also cost effective for many applications due to their high workability, ability to be sterilized, manufactured to tight tolerances and welded. It has high corrosion protection and high-temperature resistance. Stainless Steel 304L Seamless Pipes are used for moving liquids or gases in petrochemical, food processing, water treatment industries etc. and SS 304L Welded Pipes are used for posts and poles in marine and outdoor applications.

We also offer 304H Stainless Steel Pipes (H stands for high carbon content) which are used even in high-temperature applications (5000-8000C) due to its higher strength. These pipes are used in utensils for the processing and handling of food, beverages, dairy products, and commercial applications. Due to the addition of high carbon in Stainless Steel 304H Welded Pipes, these are having excellent mechanical properties and are used in grain measures. SS 304H Seamless Pipes are commonly used in petroleum refineries, boilers, condensers etc., Contact us today & order a free quote!

Stainless Steel 304 Electropolished Pipes, ASTM A358 SS 304L Polished Pipes, Steel Bright Annealed Seamless Pipes, SS Werkstoff Nr. 1.4301 Pipes, SS Werkstoff Nr. 1.4307 Oval Pipes, SS 304L Cold Rolled Pipes Stockholder & Dealers in India

Stainless Steel 304, 304L, 304H Pipes Specifications

Standard specifications for stainless steel 304, 304L, 304H Pipes. If any specification is not mentioned here, you can contact us. We also manufacture and export any custom specification as per clients requirement.

Specifications ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358
Dimensions ASTM, ASME, and API
SS Pipes 1/2″ NB – 16″ NB
ERW Pipes 1/2″ NB – 24″ NB
EFW Pipes 6″ NB – 100″ NB
Size 1/8″NB TO 30″NB IN
Specialized in Large Diameter Size
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form Round, Square, Rectangular, Hydraulic Etc
Length Single Random, Double Random & Cut Length
End Plain End, Beveled End, Treaded

Types of SS 304, 304L, 304H Pipes

SS 304 Seamless Pipe 304L Stainless Steel Seamless Pipe
WERKSTOFF NR. 1.4948 Seamless Pipe UNS S30400 Welded Pipe
SS 304L ERW Pipe Stainless Steel 304H EFW Pipe
304 SS Round Pipe SS UNS S30403 Round Pipe
ASTM A312 TP 304H Stainless Steel Round Pipes GOST 08Х18Н10 Seamless Pipes
SS 304L Square Pipe      304H Stainless Steel Square Pipe
UNS S30400 Rectangular Pipe WERKSTOFF NR. 1.4306/1.4307 Rectangular Pipe
SS 304H Rectangular Pipe 304 Stainless Steel Custom Pipe
GOST 03Х18Н11 Custom Pipes ASTM A312 TP 304H Stainless Steel Custom Pipes
SS 304, 304L, 304H Polished Pipe UNS S30400 Decorative Pipe
ASTM A312 TP 304L Stainless Steel Decorative Pipes 304H SS Decorative Pipe
SS 304/304L Thick Wall Pipe UNS S30409 Thick Wall Pipe
WERKSTOFF NR. 1.4301 Thin Wall Pipe 304L SS Thin Wall Pipe
304H Stainless Steel Thin Wall Pipe 304 Stainless Steel Electropolished Pipe
SS 304L Electropolished Pipe UNS S30409 Electropolished Pipe

Chemical Composition of SS 304, 304L, 304H Seamless Pipes

Grade C Mn Si P S Cr Mo Ni N
304 min. 18.0 8.0
max. 0.08 2.0 0.75 0.045 0.030 20.0 10.5 0.10
304L min. 18.0 8.0
max. 0.03 2.0 1.00 0.045 0.03 20.0 12.0
304H min. 18.0 8.0
max. 0.03 2.0 1.00 0.045 0.03 20.0 12.0

SS 304, 304L, 304H Welded Pipes Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201

Physical Properties of Grade 304, 304L, 304H Stainless Steel Pipes

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Specific Heat 0-1000C (J/kg.K) Electrical Resistivity (n.m)
0-1000C 0-3150C 0-5380C at 1000C at 5000C
304 8000 193 17.2 17.8 18.4 16.2 21.5 500 720
304L 8000 193 17.2 17.8 18.4 16.2 21.5 500 720
304H 8000 193 17.2 17.8 18.4 16.2 21.5 500 720

Stainless Steel 304, 304L, 304H Pipes Equivalent Grades

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
304 S30400 304S31 58E 1.4301 X5CrNi18-10 2332 SUS 304
304L S30403 304S11 58E 1.4301 X5CrNi18-10 2332 SUS 304L
304H S30409 304S11 58E 1.4948 X5CrNi18-10 2332 SUS 304H

ASTM A312 304, 304L, 304H Steel Pipes Price List

Sunflex Metal Industries is one of the most competitive suppliers of pipes from India. Our prices for 304, 304L, 304H Pipes are very competitive. Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Sunflex Metal Industries maintains a stock of all standard items and can export them at the best price for 304, 304L, 304H Pipes.

Steel 304, 304H, 304L Seamless / Welded Pipes - Industries & Applications

Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:

  • Gas Processing Industries
  • Petrochemical Industries
  • Power Generation Industries
  • Food Processing Industries
  • Chemical Industries
  • Oil & Gas Industries
  • Fertilizers Industries
  • Paper Industries

Stock Availability of Stainless Steel 304, 304L, 304H Pipes

We maintain huge inventories of all standard sizes and grades. Please send us your complete requirement and we will send you the availability with the best quote for 304, 304L, 304H Pipes.
Click to send your requirement.

Why Buy SS 304L, 304H, 304 Pipes from Sunflex Metal Industries

Sunflex Metal Industries is a leading stockist, distributor and supplier of 304, 304L, 304H Pipes from India. With more than three decades of experience, we understand the steel industry deeply. We have huge experience of supplying to all major industries across the world. Our team of dedicated experts with stringent quality policy ensures that we supply best-in-class products meeting and exceeding our client’s expectations. Below are a few quick points about why buying from Sunflex Metal Industries will give you an undue advantage:

  • Huge inventory of all standard sizes and grades.
  • Distributors of all reputed origins and manufacturers.
  • Strict quality control policies and highly experienced team.
  • Strong logistics & delivery channels.
  • Modern Infrastructure with huge storage capacity.
  • An ISO 9000:2015 Certified Company.


Send us your Enquiry

Prominent Countries where we Export ASTM Stainless Steel 304, 304L, 304H Pipes

Exporting Pipes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes  Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy,  Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia,  South Korea, South Africa, Sri Lanka, Syria,  Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.

We are one of the top:

  • Pipes exporters to Singapore
  • Pipes exporters to Malaysia
  • Pipes exporters to Hongkong
  • Pipes exporters to Thailand
  • Pipes exporters to Indonesia
  • Pipes exporters to Taiwan