Ferritic And Martensitic Stainless Steel Tubes
GNEE STEEL's ferritic and martensitic stainless steel heat transferring tubing is produced to applications where better mechanical properties, hardness, chloride induced pitting, crevice and stress corrosion cracking may be considered. And the high quality tube andpipe with such material can be also used for other specific applications as petro/gas industry, bearing machining ...
Typical Grade:410/S,430,439,446,444,44660,440C,L80/13Cr,17-4PH,1.4418,S41426..
Applications: Heater, Heat Exchanger, Condenser, MachiningBearing Machining, APl service...
Available Specifications:
ASTM/ASME A/SA268
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
API 5CT L80 9Cr/13Cr Coupling Stock Pipe for Anti-Corrosive of CO2
ASTM A756 Stainless Anti-Friction Bearing Steel
Chemical Composition And Mechanical Properties For Ferritic And Martensitic Stainless Steel Tubes
| Standard | Steel Grade | Chemical Composition(%) | Mechanical Properties(%) | Elongation(%) | Hardness(HRB) | ||||||||
| C | Mn | Si | P | S | Cr | Ni | Y.S.(Mna) | T.S.(Mpa) | |||||
| A/SA268 | TP405 | ≤0.08 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 11.50-14.50 | ≤0.50 | AL:0.10-0.30 | ≥415 | ≥205 | ≥30 | ≤85 |
| A/SA268 | TP410 | ≤0.15 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 11.50-13.50 | ≥415 | ≥205 | ≥30 | ≤85 | ||
| A/SA268 | TP410S | ≤0.08 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 11.50-13.50 | ≥415 | ≥205 | ≥30 | ≤85 | ||
| A/SA268 | TP430 | ≤0.12 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 1600-18.00 | ≥415 | ≥205 | ≥30 | ≤85 | ||
| A/SA268 | TP430Ti | ≤0.10 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 16.00-19.50 | ≤0.75 | Ti:5C-0.75 | ||||
| A/SA268 | TP446 | ≤0.20 | ≤1.50 | ≤1.00 | ≤0.040 | ≤0.30 | 23.00-27.00 | ≤0.75 | N≤0.25 | ≥415 | ≥205 | ≥30 | ≤85 |
| A/SA268 | Tp409 | ≤0.08 | ≤1.00 | ≤1.00 | ≤0.045 | ≤0.30 | 10.50-11.70 | ≤0.50 | Ti:6C-0.75 | ≥415 | ≥205 | ≥30 | ≤85 |
| A/SA268 | Tp439 | ≤0.07 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 17.00-19.00 | ≤0.50 | N:≤0.04 Ti:0.2+4(C+N)-1.1 |
≥380 | ≥205 | ≥22 | ≤80 |
| A/SA268 | TP444 | ≤0.025 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 17.50-19.50 | ≤1.00 | Mo:1.75-2.5 (TI+Cb):0.2+4(C+N)-0.8 N:≤0.035 |
≥415 | ≥220 | ≥22 | ≤81 |
| A/SA756/268 | 440C | 0.95-1.10 | ≤1.00 | ≤1.00 | ≤0.025 | ≤0.30 | 16.00-18.00 | 3.00-5.00 | Mo:0.4-0.7 | ||||
| A/SA693 | 17-4PH | ≤0.07 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.30 | 15.50-17.50 | Cu:3.0-5.0 Nb:0.15-0.45 |
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| gost9941-81 | 15CR25TI | ≤0.15 | ≤0.80 | ≤1.00 | ≤0.035 | ≤0.0.025 | 24.00-27.00 | Ti:5C-0.90 | ≥415 | ≥205 | ≥30 | ≤85 | |
| API 5CT | L80/9CR | ≤0.15 | 0.30-0.60 | ≤1.00 | ≤0.020 | ≤0.010 | 8.00-10.00 | Mo:0.9-1.10 | ≥655 | ≥552 | ≥20 | ≤23HRC | |
| API 5CT | L80/13CR | 0.15-0.22 | 0.25-1.00 | ≤1.00 | ≤0.020 | ≤0.010 | 12.0-14.0 | ≥655 | ≥552 | ≥20 | ≤23HRC | ||
Other Cr stainless steel tube/pipe available upon request
Size Tolerance
| Size To (ASTM A 1016) | Dimension(D) | Wall thickness(S) | ||
| (mm) | Tolerance(mm) | (mm) | Tolerance(mm) | |
| Cold Drawn/Rolled Tube | <25.4 | +/-0.1 | ≤38.1 | +20%-0 |
| 25.4-38.1 | +/-0.15 | |||
| >38.1-<50.8 | +/-0.2 | >38.1 | +22%-0 | |
| 50.8-<63.5 | +/-0.25 | |||
| 63.5~<76.2 | +/-0.3 | |||
Size Tol. pipes for ASTM A530
Available Sizes
| Products | OD | WT | Length | |||
| Inch | MM | Inch | MM | Ft max | M max. | |
| Tube | 1/2"-3" | 12.0-76.2 | 0.02"-0.5" | 0.5-12.0 | 105' | 32.00 |
| Pipe | NPS 1/2"-36" | 21.34-914.4 | SCH10S-SCH80S | 2.11-12.7 | 98' | 30.00 |
Super Length Tube/Pipe is our advantages.
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