Stainless steel 321H tubing is a general-purpose, austenitic stainless steel tube that's resistant to corrosion. It is widely used in the chemical, petroleum and food industries.

Valour Alloys Inc. is one of the best manufacturers and suppliers of SS 321 seamless tube in India, with exports to over 60 countries across the globe. We produce and sell industrial stainless steel 321 tubes

Valour Alloy Inc., we carry a full inventory of Stainless Steel 321H Tube and Supply Do You Know? The price of Stainless Steel 321H Tube is primarily affected by the cost of its raw materials like nickel, chromium, and iron, along with factors like manufacturing processes, energy costs, market demand, the specific form and size of the product, and any geopolitical influences impacting raw material availability We specializes in Stainless Steel 321H Tube with years of Experience in Manufacturing Stainless Steel 321H Tube. we offer high quality, lower cost but the best service. As a result to that our Stainless Steel 321H Tube export account today is in various countries like Iran, Iraq, Kuwait, Saudi Arabia, Oman, UAE, Singapore, Malaysia, Indonesia, South korea, Chile, Peru, Venezuela, Australia, Nigeria, Angola, Senegal, Mozambique, Algeria, Libya, Azerbaijan, Netherlands, Brazil, Norway, United Kingdom, Mexico, Canada etc.


Stainless Steel 321H Seamless Tubes Supplier Manufacturer

Stainless Steel 321H Seamless Tubes

Stainless Steel 321H Welded Tubes Supplier Manufacturer

Stainless Steel 321H Welded Tubes

We Supply Stainless Steel 304 Tube s in Grades in Specification ASME SA /ASTM A269, A312, A213 and Grades 202, 304, 304L, 304H, 304LN, 309s, 310s, 316, 316L, 316H, 316Ti, 316LN, 317L, 321, 321H, 347, 347H, 904L, 254 SMO , 6MO , 6 MOLY, UNS S31254 etc. The grade indicates the testing methods required for a given application.

How to Analyze the Cost of Stainless Steel 321H: Factors You Need to Know

Valour Alloys Inc. explain here which cost factors affect the price of Stainless Steel 321H Tube there are many points for the rising cost of SS 321H tube such as raw materials its primary elements like chromium, nickel, titanium, and iron directly impact the cost. The cost of raw metal materials depends on Global Economic and Trade Factors Currency fluctuations, trade tariffs, and transportation costs can all affect the final price of Stainless Steel 321H Political and economic stability in key production regions also play a role. Supply and dynamic demand also affect the cost of a product when we talk about demand in industries that require high-temperature or corrosion-resistant materials such as the aerospace, and petrochemical industries.

How to Identify Quality Stainless Steel 321H Tubes

There are many points for easily identifying the Quality Stainless Steel 321H Tubes before purchase we have to check the proper Material Certification like Mill Test Reports (MTRs): Ensure the tubes come with up-to-date MTRs that verify the Chemical Composition and Mechanical Properties with proper industrial standard conformation as ASTM and ASME for stainless steel materials.If manufacturers do not provide the MTC so that time we verify the chemical composition and mechanical properties through the balance of chromium, nickel, titanium, and other elements specific to 321H. after all, we have to check the supplier's Reputation known for stringent quality control and reliable product performance.

Common Issues with Stainless Steel Tubes and How to Fix Them

In the year 2025, multiple engineering companies face many problems using SS 321 & SS 321H tubes. here Valour Alloys Inc. provide the top two common problems with their solutions in the year 2024 we conduct some engineering company audits so that time we know about the common issues facing multiple industries such as Corrosion and Pitting, Dimensional Inaccuracies we explain below on this topics.


  • Corrosion and Pitting
  • Dimensional Inaccuracies

We start with Corrosion and Pitting Even stainless steel can experience localized corrosion especially when exposed to chlorides or acidic environments. Do you know? how to fix them we have to do regular cleaning to Keep the tubes free of contaminants and Minimize exposure to aggressive chemicals or consider using a more corrosion-resistant grade if necessary. The second major issue is Dimensional Inaccuracies Tubes might suffer from improper dimensions or deformations due to fabrication errors when facing that kind of problem so that time we Implement strict controls during the manufacturing process and adjust our machining corrections can realign the tube to specifications.

Global Demand and Supply Dynamics Impacting Prices

The pricing of Stainless Steel 321H is significantly affected by global demand and supply dynamics. As industries continue to industrialize and expand, the demand for high-quality materials like 321H has increased, particularly in developing economies. This rising demand often leads to price fluctuations, especially when supply cannot keep pace. Moreover, geopolitical factors, trade agreements, and tariffs can greatly influence availability and pricing. For instance, disruptions in key producing regions or increased tariffs on imports can lead to shortages, driving prices up even further.

Stainless Steel 321H tube Range

SS 321H Tubes Outer Diameter Size Steel Seamless - 6 MM OD TO 114.3 MM OD
WELDED / ERW- 10 MM TO 114.3 MM OD
SS 321H Tubes Wall Thickness 0.8 MM TO 4 MM WALL THICKNESS
SS 321H Tubes Length 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
SS 321H Tubes Ends Plain Ends / Beveled En
SS 321H Tubes Specification ASTM A-249, A-268, A-269, A-270, A-554, A-688, A-778, DIN 17455, DIN 17456, 17457, DIN 17458 [Class 1] & Its equivalent ASME, DIN & EN Standard.
SS 321H Tubes Grades 202, 304, 304L, 304H, 304LN, 309S, 310S, 316, 316L, 316H, 316Ti, 316LN, 317L, 321, 321H, 347, 347H, 904L, SMO 254, Stainless Steel Alloy , ALLOY 254, 6MO, 6MOLY, UNS S31254 ETC.
SS 321H Tubes Dimension All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME
SS 321H Tubes Type Steel Seamless / WELDED / ERW / EFW / COLD DRAW / HOT FINISH / COLD FINISH
SS 321H Tubes Delivery Conditions As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw
SS 321H Tubes Coating Electropolish, Mechanical Polish, Satin Finish, Passivated
SS 321H Tubes Machinery Draw Bench / Pilger / De-Coiler / Edge Miller / Welding Line / Heat Treatmen Furnace / Pickling Tank / Cutting Bench etc.
SS 321H Tubes Value Added Services Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
SS 321H Tubes Packaging Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
SS 321H Tubes Shipment & Transportation By Road - Truck / Train, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes
SS 321H Tubes Other Testing Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiographic Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc.
SS 321H Tubes Material Test Certificate Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC.

Chemical Composition of Stainless Steel 321H Tubes

Grade C Mn Si P S Cr Mo Ni N Other
321 min. 
max

0.08
2.00 0.75 0.045 0.030 17.0 
19.0
- 9.0 
12.0
0.10 Ti=5(C+N) 
0.70
321H min. 
max
0.04 
0.10
2.00 0.75 0.045 0.030 17.0 
19.0
- 9.0 
12.0
- Ti=4(C+N) 
0.70

Mechanical Properties of Stainless Steel 321H Tubes

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
321 515 205 40 95 217
321H 515 205 40 95 217
321H also has a requirement for a grain size of ASTM No 7 or coarser.

Equivalent Grade of Stainless Steel 321H Tubes
Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
321 S32100 321S31 58B, 58C 1.4541 X6CrNiTi18-10 2337 SUS 321
321H S32109 321S51 - 1.4878 X10CrNiTi18-10 - SUS 321H
347 S34700 347S31 58G 1.4550 X6CrNiNb18-10 2338 SUS 347
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Other Available Products Of Stainless Steel 321H Tubes

Stainless Steel TP 321H Seamless Tube A249 SS TP 321H Welded Tubes Suppliers
ASTM A213 321H Stainless Steel Rectangular Tubes TP 321H Stainless Steel ERW Tubes Distributors
UNS S32109 Stainless Steel Coiled Seamless Tube Top Quality Stainless Steel TP 321H Heat Ex-changer Tubes
Stainless Steel DIN DIN 1.4878 Round Tubing Exporter TP 321H SS EFW Tubing Stockiest in India
Stainless Steel JIS SUS 321H Cold Rolled Coiled Tubing ASTM A269 321H Stainless Steel Tubing
SS 321H Austenitic Stainless Steel Pipes & Tubes ASTM A213 Stainless Steel TP 321H Capillary Tube
Stainless Steel 321H U Shaped Tubing Stockholder TP 321H Stainless Steel Hydraulic Tubes Suppliers
Stainless Steel ASTM A213 TP 321H Welded Tubing AISI Stainless Steel ASTM A213 321H Seamless Tubing
SS ASME SA 249 TP 321H Welded Tubes Exporter TP 321H Stainless Steel Instrumentation Tubes Exporter
ASTM A358 321H Stainless Steel ERW Tubes Manufacturer Stainless Steel TP 321H Seamless Tube Supplier

Test Certificates

We Stainless Steel 321H Tube with the following details Mill Test Certificate according to EN 10204 3.1, PMI Test, Test Report from NABL Approved Lab, 3.2 Certification by External Testing Authority third, ultrasonic test report, and X-ray report

Marking & Packing

Our Stainless Steel 321H Tube is packaged to ensure no damage during transit. In the case of export, the standard export packing is in a wooden box. All Stainless Steel 321H Tube are marked with our grade, batch number, size and mark. We can also do custom branding on our products as per buyer's unique requirements

Supplying Stainless Steel 321H Tubes to Countries

We Export Stainless Steel 321H Tubes to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East Etc.

Distributing Stainless Steel 321H Tubes to Cities

We Export Stainless Steel 321H Tubes to Navi Mumbai, Indore, Baroda, Muscat, Secunderabad, Gimhae-si, Kanpur, Colombo, Kuala Lumpur, Bhopal, Pimpri-Chinchwad, Rajkot, Haryana, Hanoi, Ernakulam, Chandigarh, Surat, Los Angeles, Hong Kong, Ahmedabad, Perth, Petaling Jaya, Hyderabad, Mumbai, Algiers, Edmonton, Ludhiana, Ho Chi Minh City, Karachi, Bangkok, Dallas, Bengaluru, Jakarta, Granada, Seoul, Cairo, Geoje-si, Rio de Janeiro, Abu Dhabi, Port-of-Spain, Sydney, London, Courbevoie, Vung Tau, Sharjah, Jaipur, Lahore, Chennai, Istanbul, Lagos, Thane, Dubai, Coimbatore, La Victoria, Calgary, Jeddah, Busan, Mexico City, Al Khobar, Caracas, Singapore, Atyrau, Manama, Kolkata, Riyadh, Jamshedpur, Brisbane, Toronto, Noida, Ahvaz, Vadodara, Doha, Visakhapatnam, Ulsan, New Delhi, Gurgaon, Bogota, Howrah, Moscow, Nashik, Ranchi, Nagpur, Al Jubail, Houston, Milan, Chiyoda, Aberdeen, Melbourne, New York, Dammam, Montreal, Santiago, Kuwait City, Pune, Tehran, Thiruvananthapuram, Faridabad, Madrid, Ankara Etc.