We are continuously strived to attain and sustain Leading and largest supplier of Stainless steel 904L seamless and welded round tubing, this achievement will be accomplished by committed and well-trained employee, Premium quality products and customer service to the maximum, EMHK is well known as Stainless Steel 904L Round Tube manufacturer in China. We are also stockist & exporter of Stainless Steel 904L Round Tubing, are actually manufactured from High Quality of Standard Raw Materials and are designed as per with national and international standards. As the largest stockholder of SS Round Tube, we have huge inventory of SS 904L Round Tube, Stainless Steel 904L Round Tube, Stainless steel 904L Round Tube and Stainless Steel 904L Round Tube. Buy SS Round Tube at best price .
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Grade 904L Stainless Steel Seamless Pipe
- Size: 4 – 219mm
- Thickness: 0.5 – 20mm
- Length: Single, Double Random & Cut Length
Grade 904L Stainless Steel Welded Pipe
- Size: 5.0 – 1219.2 mm
- Thickness: 0.5 – 20mm
- Length: Single, Double Random & Cut Length
904L EN 1.4539 Pipe Tensile and Yield Strength
Tensile Strength: 520-720
904L Alloy Seamless Pipe Chemical Composition
| ELEMENT | MIN | MAX |
| C | – | 0.2 |
| Mn | – | 2 |
| Ni | 23 | 28 |
| Cr | 19 | 23 |
| S | – | 0.3 |
| Mo | 4 | 5 |
| N | – | 0.1 |
| Cu | 1 | 2 |
| P | – | 0.03 |
| Si | – | 0.7 |
SUS 904L Pipe Mechanical Properties
| TEMPER | ANNEALED | |
| Tensile Rm | 71 | ksi (min) |
| Tensile Rm | 490 | MPa (min) |
| R.p. 0.2% Yield | 32 | ksi (min) |
| R.p. 0.2% Yield | 220 | MPa (min) |
| Elongation (2” or 4D gl) | 35 | % (min) |
Stainless Steel 904L Pipe Physical Properties
| Specific Heat (0-100°C) | 450 | J.kg-1.°K-1 |
| Thermal Conductivity | 11.5 | W.m -1.°K-1 |
| Thermal Expansion | 15.8 | mm/m/°C |
| Modulus Elasticity | 190 | GPa |
| Electrical Resistivity | 9.52 | μohm/cm |
| Density | 7.95 | g/cm3 |
SS 904L Pipe Inspection & Test reports
- Mill Test Certificates with all 904L Pipe
- EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
- Chemical Reports
- Mechanical Reports
- PMI Test Reports
- Visual Inspection Reports
- Moisture testing
- Heat Treatment Charts
- HS Code Commercial Invoice
- Third Party Inspection for Grade 904L Stainless Steel Pipe
- Laboratory Test Certificate from Govt. Approved Lab
- Destructive Test Report
- Non Destructive Test Reports
- 100% Radiography Test Report
- Fumigation Certificates
- Raw Materials Certificate
- NABL Approved Lab Reports
- Surface roughness measurement
- Form A for Generalized System of Preferences (GSP)
- STAINLESS STEEL ROUND TUBE SPECIFICATION
| Size | 1/2 inch, 3/4 inch, 1 inch ect… |
| Grades | TP – 304,304L,316,316L,201,904L |
| Standards | ASTM A249 – A269 |
| Finish | Polished Grit 120 – 600, Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1mm,Mirror Polished |
Hot-Finished Round Tubing Permissible Variations:
These tolerances apply to cut lengths up to an including 24 Ft. (7.3M). For lengths over 24Ft. an additional over tolerance of 1/8in (3.1mm) for each 10ft. (3m) or fraction thereof shall be permissible up to a maximum tolerance of 1/2 in. (12.7mm)
| Specified Dimension, Outside Diameter | Ratio of Wall Thickness to Outside Diameter | Outside Diameter | Up To 0.109 | 0.109 to 0.172 | Over 0.172 to 0.203 | Over 0.203 | Permissible Variations In Cut Length | ||||||
| Over | Under | Over | Under | Over | Under | Over | Under | Over | Under | Over | Under | ||
| up to 3″ | All Thickness | 0.023 | 0.023 | 16.5 | 16.5 | 15 | 15 | 14 | 14 | 12.5 | 12.5 | 3/16 | 0 |
| 3″ to > 5.5″ | All Thickness | 0.031 | 0.031 | 16.5 | 16.5 | 15 | 15 | 14 | 14 | 12.5 | 12.5 | 3/16 | 0 |
| 5.5″ to > 8″ | All Thickness | 0.047 | 0.047 | 14 | 14 | 12.5 | 12.5 | 3/16 | 0 | ||||
| 8″ to > 10.75″ | 5% and Over | 0.047 | 0.047 | 12.5 | 12.5 | 3/16 | 0 | ||||||
| 10.75″ to > 12.75″ | Under 5% | 0.063 | 0.063 | 12.5 | 12.5 | 3/16 | 0 | ||||||
Cold Finished Stainless Steel Round Tubing Permissible Variations:
| Outside Diameter, In. | Outside Diameter Tolerance, In. Over and Under | Ovality Double Outside Diameter Tolerance when wall is: | Wall Thickness in % | Permissible Variations in Cut Length, in. | ||
| Over | Under | Over | Under | |||
| Under 1/2 | 0.005 | Less than 0.015 In. | 15 | 15 | 1/8 | 0 |
| 1/2 to 1-1/2 Exceed | 0.005 | Less than 0.065 In. | 10 | 10 | 1/8 | 0 |
| 1 1/2 to 3 1/2, Exceed | 0.010 | Less Than 0.095 In. | 10 | 10 | 3/16 | 0 |
| 3 1/2 to 5 1/2 Exceed | 0.015 | Less than 0.150 In. | 10 | 10 | 3/16 | 0 |
| 5 1/2 to 8 Exceed | 0.030 | Less than 0.240 In. | 10 | 10 | 3/16 | 0 |
| 8 to 8 5/8 Exceed | 0.045 | Less than 0.300 In. | 10 | 10 | 3/16 | 0 |
| 8 5/8 to 12 3/4 | 0.062 | Less than 0.350 In. | 10 | 10 | 3/16 | 0 |
STAINLESS STEEL ROUND TUBE CHEMICAL COMPOSITION
The below table shows the chemical composition of the used for Stainless Steel Round Tube:
| 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 | ||||
| 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 |
AVAILABLE STOCK OF STAINLESS STEEL ROUND TUBE
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Chemical Composition Of Stainless Steel Pipe
| 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
| 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) | |||||
STAINLESS STEEL ROUND TUBES STOCK SUPPLY APPLICATIONS
These ss Round Tubes are sold to a wide range of industries/markets, due to their overall corrosion resistance and good machinability:
- SS Round Tube for Chemical and petrochemical
- Stainless Steel Round Tube used for Power generation
- SS Round Tube for Renewable energy
- Stainless Steel Round Tube for Pulp and Paper
- SS Round Tube for Process piping
- Stainless Steel Round Pipe applications for Food and beverage
- SS Round Tube used for Oil and gas
- Stainless Steel Round Tube applications in Mining
- SS Round Tube used for Water/waste
- Stainless Steel Round Tube application for Marine Industry
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Complete range of AISI 904L Stainless Steel Pipe material
| 904L EN 1.4539 Custom Pipes | AISI 904L Beveled End Pipes |
| Thick Wall 904L EN 1.4539 Pipe | Thin Wall AISI 904L Pipe |
| 904L SS Cold Drawn Seamless Pipe | High Temperature ASTM B677 UNS N08904 904L Pipe |
| Type 904L Stainless Steel Clad Pipes | SS 904L Annealed pipes |
| Seamless 904L Stainless Steel Pipe | Alloy 904L Welded Pipe |
| Grade 904L Stainless Steel Hot Finished Pipe | Schedule 40S ASTM A312 TP 904L Pipe |
| Cold Drawn SS 904L Pipe | ASTM B677 TP 904L Seam Welded Pipe |
| 904L Alloy ERW Pipe | SUS 904L EFW Pipe |
| Grade 904L Stainless Steel CDW Pipes | ASTM A312 TP 904L Rectangular Pipes |
| SS 904L SMLS Pipes | ASTM B677 TP 904L Hexagonal Pipes |
| AISI 904L Stainless Steel Hollow Pipes | SUS 904L High pressure Pipes |
| 904L SS Round Pipes | SS 1.4539 Fabricated Pipes |
| 904L Stainless Steel Square Pipes | 904L Alloy Schedule 5S Pipes |
| Alloy 904L Schedule 40 Pipes | Welded ASTM B677 UNS N08904 904L Cold Drawn Pipes |
| 904L Alloy Polished Pipes | Grade 904L Stainless Steel Exhaust Pipes |
| SUS 904L Capillary Pipes | Small diameter ASTM A312 TP 904L pipes |
| AISI 904L Stainless Steel Overlay Pipe | SS 1.4539 Bush Hex Pipe |
| Stainless Steel Alloy 904L Rectangle Pipes | Cold Drawn ASTM B677 TP 904L Seamless Pipes |
