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SUS 409l Mechanical And Chemical Standard SUS 409AL size 60.5 *
T1.2* 5800 Stainless Steel Pipe
| Description | ||
| Item | ASTM A268 TP409 Ferritic sus 409 stainless steel pipe | |
| Steel grade | 409 | |
| Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456,
DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605, | |
| Material | 304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L,
316N,201, | |
| Surface | Polishing,annealing,pickling,bright | |
| Type | hot rolled and cold rolled | |
| stainless steel round pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 6mm-2500mm (3/8"-100") | |
| stainless steel square pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 4mm*4mm-800mm*800mm | |
| stainless steel rectangular pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 6mm-2500mm (3/8"-100") | |
| Length | 4000mm,5800mm,6000mm,12000mm,or as required. | |
| Trade terms | Price terms | FOB,CIF,CFR,CNF,Ex-work |
| Payment terms | T/T,L/C,westen union | |
| Delivery time | Prompt delivery or as the order quantity. | |
| Export to | Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA, Brazil,Thailand,Korea,Italy,India,Egypt,Oman,Malaysia,Kuwait,Canada, Viet Nam, Peru,Mexico,Dubai, Russia,etc | |
| Package | Standard export seaworthy package,or as required. | |
| Application | Widely used in petroleum,foodstuff,chemical industry,construction,
electric power,nuclear,energy,machinery,biotechnology,paper
making,shipbuilding,boiler fields. | |
| Contact | If you have any questions,please feel free to contact me. | |
Chemical Composition of ASTM A268 409 S40900 Grade and EN 10088-2
1.4512 1.4516 Stainless Steel
| Grade | – | C | Mn | Si | P | S | Cr | Ni | Ti |
| A268 409 | min. max. | – 0.08 | – 1.00 | – 1.00 | – 0.045 | – 0.030 | 10.5 11.7 | – 0.50 | 6×C-0.75 |
| TP409L | min. max. | – 0.035 | – 1.00 | – 1.00 | – 0.045 | – 0.030 | 10.5 11.7 | – 0.50 | 6×C-0.75 |
| 1.4516 | min. max. | – 0.08 | – 1.50 | – 0.70 | – 0.040 | – 0.015 | 10.5 12.5 | 0.50-1.50 | 0.05-0.35 |
| 1.4512 | min. max. | – 0.030 | – 1.00 | – 1.00 | – 0.040 | – 0.015 | 10.5 12.5 | – 0.50 | 6×(C+N)-0.65 |
| Grade | Tensile Strength | Yield Strength 0.2% Proof | Elongation | Hardness | Hardness |
| Grade | ksi(MPa) min | ksi (MPa) min | (% in 50mm) min | Rockwell B (HR B) max | Brinell (HB) max |
| 409 | 55 (380) | 25 (170) | 20 | 95 | 207 |
| 1.4512 | 380-560 | 210 | 25 |
Table 3. Physical properties of 409 grade stainless steel in the annealed condition
| Grade | Density (kg/m³) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (mm/m/°C) | Mean Coefficient of Thermal Expansion (mm/m/°C) | Mean Coefficient of Thermal Expansion (mm/m/°C) | Thermal Conductivity (W/m.K) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nW.m) |
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 409 | 7600 | 208 | 11.0 | 11.7 | 12.4 | 25.8 | 27.5 | 460 | 600 |
Approximate grade comparisons for 409 stainless steel are given in table 4.
Table 4. Grade specifications for 409 grade stainless steel
| Grade | UNS | BS | BS | EN | EN | Swedish | Japanese |
| – | No. | EN | Name | SS | JIS | ||
| 409 | S40900 | 409S19 | – | 1.4512 | X6CrTi12 | – | SUH 409 |
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.
Possible alternative grades to grade 409 stainless steel are given
in table 5.
Table 5. Possible alternative grades to 409 grade stainless steel
| Grade | Why it might be chosen instead of 409 |
| 3CR12 | Similar corrosion resistance, easier welding and more readily available than 409, particularly in heavy sections. (409 may have better drawability than 3CR12.) |
| 304 | Better corrosion resistance and heat resistance but at higher cost. |
| 321 | Higher heat resistance than 409 or 304. |
| Aluminised steel | Lower resistance to exhaust gases, but at lower cost than stainless steel grade 409. |
Grade 409 resists atmospheric and exhaust gas corrosion. A light surface rust will form in most atmospheres; this rust retards further corrosion but makes the surface undesirable for decorative applications. The corrosion resistance is about the same as that of 3CR12 and the 12% chromium martensitic grades such as 410, and inferior to the 17% chromium grade 430.
Generally 409 is classified as resistant to scaling in intermittent service up to 850°C and up to 650°C in continuous service, but these temperatures are dependent upon the exact service environment.
Annealing – heat to 790-900°C and air cool. This grade cannot be hardened by
thermal treatment.
