Ferrite Stainless Steel Welded Tube AISI443 , 304 Seamless Tubing For Exhaust System
Product Details
stainless tube steel
,large diameter stainless steel tube
Super Ferrite Stainless Steel Welded Tube AISI443 for Exhaust system
Chemical Component
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Nb | N |
| 409L | 0.006 | 0.25 | 0.17 | 0.020 | 0.001 | 12.5 | - | - | 0.15 | 0.20 | 0.007 |
| 429 | 0.008 | 1.5 | 0.30 | 0.002 | 0.001 | 15.0 | - | - | 0.15 | 0.5 | 0.010 |
| 439 | 0.009 | 0.25 | 0.25 | 0.02 | 0.001 | 17.5 | - | - | 0.15 | 0.20 | 0.010 |
| 441 | 0.009 | 0.25 | 0.25 | 0.02 | 0.001 | 17.5 | - | - | 0.15 | 0.45 | 0.010 |
| 436L | 0.007 | 0.47 | 0.24 | 0.016 | 0.003 | 17.5 | 0.12 | 1.09 | 0.15 | 0.22 | 0.013 |
| 443 | 0.009 | 0.25 | 0.25 | 0.02 | 0.001 | 20.5 | - | - | 0.25 | 0.25 | 0.011 |
| 444 | 0.010 | 0.25 | 0.14 | 0.014 | 0.003 | 18.3 | 0.18 | 1.99 | 0.16 | 0.32 | 0.012 |
| 445 | 0.009 | 0.25 | 0.25 | 0.02 | 0.001 | 20.8 | - | - | 0.25 | 0.25 | 0.011 |
| 445J1 | 0.009 | 0.25 | 0.25 | 0.02 | 0.001 | 21.5 | - | 0.8 | 0.25 | 0.25 | 0.011 |
| 445J2 | 0.009 | 0.25 | 0.25 | 0.02 | 0.001 | 21.5 | - | 1.8 | 0.25 | 0.25 | 0.011 |
| 446 | 0.010 | 0.25 | 0.20 | 0.023 | 0.002 | 26.5 | 2.5 | 3.5 | 0.15 | 0.30 | 0.021 |
304 stainless steel pipe tube
WHAT IS SUPER FERRITE STAINLESS STEEL?
*It is a kind of ferrite stainless steel which contains low carbon ,Nitrogen and other chemical element.
*C+N≤120ppm -400ppm(250ppm,150ppm).
CHARACTERISTICS
*With very low carbon and nitrogen-meet the requirement of processing and performance
*Niobium titanium dual stabilization-improved welding performance
*Chromium content:low chromium(10.5-15%),chromium(15-22%)and high chromium(22-32%);
ADVANTAGE
*Good abilities of stress corrosion, all kinds of localized corrosion,antioxidant corrosion(including high temperature oxidation resistance).
*Low density
*Good thermal conductivity: It is 30%-50% higher than Austenite. Small coefficient of thermal expansion: It is 30%-40% less than Austenite.
*Big elastic modulus
*Good processing properties
*Easily bending, stamping, curling, pinin, cold forging and machining.
*Excellent deep drawability
APPLICABLE INDUSTRIES
Exhaust system:429,436L,439M,441
Decorative/products:019Cr21Cu Ti(443)
Water System:444,445J1/445J2
High corrosion resistance:446
The Tolerance of Outer Diameter and Wall Thickness Unit:mm
| Hot rolling(extrusion,expansion) steel tube | Cold drawn(rolling)steel tube | ||||||
| Diamension | Tolerance | Diamension | Tolerance | ||||
| Ordinary Grade PA | High Grade PC | Ordinary Grade PA | High Grade PC | ||||
| Nominal Outer Diameter D | 68~159 | ±1.25%D | ±1%D | Nominal Outer Diameter D | 6~10 | ±0.20 | ±0.15 |
| >10~30 | ±0.30 | ±0.20 | |||||
| >30~50 | ±0.40 | ±0.30 | |||||
| >50~219 | ±0.85%D | ±0.75%D | |||||
| >159 | ±1.5%D | >219 | ±0.9%D | ±0.8%D | |||
| Nominal Wall Thickness S | <15 | +15%S -12.5%S | ±12.5%S | Nominal Wall Thickness S | ≤3 | ±12%S | ±10%S |
| ≥15 | +20%S -15%S | >3 | +12.5%S -10%S | ±10%S | |||
The Tolerance of Minimum Wall Thickness Unit:mm
| Manufacturing Method | Diamension | Tolerance | |
| Ordinary Grade PA | High Grade PC | ||
| Hot rolling(extrusion,expansion) steel tube W-H | Smin<15 | +25%Smin 0 | +22.5%Smin 0 |
| Smin≥15 | +32.5%Smin 0 | ||
| Cold drawn(rolling)steel tube W-C | All Wall Tickness | +22%Smin 0 | +20%Smin 0 |
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