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304/304L/304H SS Square Tubes

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304/304L/304H Stainless Steel Square Pipes/Tubes

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(1 customer review)

304/304L/304H Stainless Steel Square Pipes/Tubes Manufacturers & Suppliers in India

Metallica manufactures and supplies high quality of stainless steel square pipes/tubings with variety of sizes and grades in India. All standard square tubing sizes are available in 5.8m or requested lengths. Contact Us Now for the reasonable prices in India! 

  • 304/304L/304H Square stainless steel tubing is the standard specification for the welded/ERW and seamless, and heavily cold worked welded austenitic and ferritic stainless steel square tubing.
  • Stainless steel square tube is one kind of hollow square shaped tube. The benefit of the stainless steel square tube is that it is recyclable. So it is encouraged to use square tube globally.
  • Our product range for stainless steel square pipes and tubes include all types such as Seamless, Welded, ERW, and EFW.
  • Stainless Steel Square Tubing is generally used for structural purposes and applications that range from aesthetic to highly functional – Decoration, construction, hardware, mechanical structure, chemical equipment, etc. Stainless tubing provides good corrosion resistance, weldability, machinability, and can be easily cleaned and sterilized. Stainless tube is much lighter than its equivalent bar shape and therefore more practical for use in fabrication where weight is a concern.

Why Choose Metallica for Your Requirement for 304/304L/304H Stainless Steel Square Pipes & Tubes?

  • On Time Delivery: We can offer ex-stock supplies of stainless steel square tubes. For production quantities we can offer deliver goods within 7-20 days.
  • Price & Quality Guarantee: All our seamless and welded stainless steel tubing products come with a price and quality guarantee, to ensure our customers are benefited the most out of our production and selling expertise.
  • Shipment of Goods More than 50 Countries Worldwide: We export our stainless steel square tube and seamless pipe products across the globe.
  • Flexible Payment Terms: We can discuss and agree on payment terms which are mutually beneficial. Call us to discuss the payment terms. We are here to give you the best options available.
  • Certification & Testing: All our stainless steel square pipe products are supplied with EN 10204 3.1 certification. Additionally we can also allow, third party inspection or buyer inspection of all products before delivery of goods.

Description

Stainless Steel Square Pipes/Tubes Manufacturers & Suppliers in India-304/304L/304H Square Pipes & Tubes

Our stainless steel square pipes and tubes are certified to the requirements of  ASTM A554 standard and most user specifications. Metallica manufactures stainless steel square tubing from the finest quality raw materials. Stainless steel square tubes in grade 304, 304L , 316L, 409 and 409L are generally available in stock in size range of 8*8mm-300*300mm.

304/304L/304H Stainless Steel Square Pipes & Tube Supply Range

Size 8*8mm-300*300mm
W.T 0.3-30mm
Standard ASTM A554, ASTM A213, ASTM A312, ASTM A269, ASTM A778, ASTM A789
Grades 201/202/304/304L/304H/316/316L/409L/430 Stainless Steel tube
Length 5.8m or as requested
Surface treatment No.1 – 2B – Matte finish – #400 Bright – #600 Bright – 6K Mirror – 8K Mirror – Hair Line
Delivery Condition Bright Annealed, Polished or Annealed and Pickled
Calculating Tube Weights 13.920 x (O.D. – W.T.) x W.T. (Diameter measured across the flats)

Chemical Composition for 304/304L/304H Stainless Steel Square Pipes & Tubes

Composition, %
Grades C Mn P Si S Cr Ni Fe
304 0.08 max 2.00 max 0.045 max 1.00 max 0.03 max 18.0-20.0 8.0-10.5 Balance
304L 0.03 max 2.00 max 0.045 max 1.00 max 0.03 max 18.0-20.0 8.0-12.0 Balance
304H 0.04-0.10 2.00 max 0.045 max 1.00 max 0.03 max 18.0-20.0 8.0-12.0 Balance

Quality and Mechanical Tests for 304/304L/304H Stainless Steel Square Pipes & Tubes as per ASTM standards

Mechanical Properties :
Grade Tensile Strength, MPa Yield Strength, MPa Elongation, % Hardness, %
Rockwell B(HRB) Brinell (HB)
304 515 min 205 min 40 min 92 201
304L 485 min 170 min 40 min 92 201
304H 515 min 205 min 40 min 92 201

 

From the receipt of raw materials to the final inspection of the finished products – we do everything we can to ensure our customers receive only the very best quality. Of course, all tubes of a non-destructive and / or destructive testing may be subjected. We have the HP-0 approval by the TÜV and also meet many other quality requirements. Final Inspection:- IGC Test Dimensions Surface, Physical Testing, Grade Check, Product Analysis, Hardness Test, Bend Test, Chemical And Mechanical Analysis, Pitting Resistance Test, Intergranular Corrosion Test.

Heat Treatment (Annealing) for 304/304L/304H Stainless Steel Square Pipes & Tubes as per ASTM standards

304/304L is not hardenable by heat treatment. Cold working increases tensile strength and hardness. Annealing range is between 1850° and 2050°F. Cool rapidly. Water should be used for heavier sections; air for lighter sections. The stress relieving range is between 400° and 750°F

Surface Finishes for 304/304L/304H Stainless Steel Square Pipes & Tubes as per ASTM standards

DOM, 180 Grit, Galvanized, Polished. Other finishes available upon request.

Flattening Test for 304/304L/304H Stainless Steel Square Pipes & Tubes as per ASTM standards

For material heat treated in a continuous furnace flattening tests shall be made on a sufficient number of pipes to constitute 5 % of the lot, but in no case less than 2 lengths of pipe.

Markings for 304/304L/304H Stainless Steel Square Pipes & Tubes as per ASTM standards

Bright annealed tubing is line–stenciled with OD, wall, ASTM specifications, size, grade, heat number, production date and time. OD polished tube is marked on one end of each tube with a removable label stating ASTM specification, manufacturer, grade and heat number. Continuous line stencil available on request.

Square Stainless Steel Tubing – Sizes & Weights per foot
Type-304 and Type-304/L
Gauge 18 16 14 11 7  1/4  3/8
Inches 0.049 0.065 0.083 0.120 0.180 0.250 0.375
1/2 0.30 0.39
5/8 0.38 0.40
3/4 0.50 65.00 0.81 1.13
1 0.63 0.83 1.03 1.45 2.17
1-1/4 0.82 1.08 1.37 1.93 2.99
1-1/2 0.97 1.27 1.61 2.26 3.63 4.41
1-3/4 1.13 1.49 1.88 2.66 3.75
2 1.30 1.69 2.14 3.06 4.46 6.01
2-1/2 2.72 3.88 5.68 7.67
3 3.29 4.97 6.90 9.35
3-1/2 5.67 8.06 10.89
4 6.26 9.27 12.68 18.52
5 8.02 11.90 16.35 23.53
6 9.46 14.07 18.77 28.53
8 26.03 38.55
All material offer as mill finish, polished 180 grit or polished 320 grit
All material produced to ASTM A554 specification (Latest Revision)

 

Note:

  • Mill test certificates will be issued according to EN10204.3
  • All tubes shall be supplied as per applicable ASTM A554 Specification.

 

1 review for 304/304L/304H Stainless Steel Square Pipes/Tubes

  1. Niranjan Mishra

    We got the consignment today at factory. All the quality is good. We will raise the GRN and release payment. Thank you for your service and help. We will discuss more requirements in this month. We have many other projects coming up.

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