Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A268 TP405 (1.4002, UNS S40500) Ferritic Steel Seamless Tube , Heat Exchanger application
YUHONG Group deal with Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ), Copper Alloy , Cr-Mo Alloy , Titanium seamless and welded pipe and tube already more than 33 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 85 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
Ferritic Steel TP405 is a low carbon, 12% chrome steel, not subject to appreciable hardening through air cooling from high temperatures. This tendency retards the formation of hardening cracks caused by welding. Practically the same corrosion and oxidation resistance as TP410. Can be machined, drawn, spun and formed without difficulty. Used for applications where hardening upon cooling from high temperatures must be avoided. Has excellent long-time stability up to 1200°F.
| TP405 Grade Characteristic |
| • Basic martensitic stainless |
| • High mechanical properties after heat treatment |
| • Hardenable, Hardness 5HRB higher than common Austenitic Stainless |
| • Corrosion and sealing resistent up to 1200 F (649°C) |
| • Good resistance to hydrogen and hydrogen sulphide |
| • Good weldability by TIG, MIG, MAG and manual electric arc welding, preheat 200-300°C |
| • Machining is performed in the same way as for plain carbon steels of the same tensile strength |
| • Used for heat exchanger in cracking installations in the oil industry |
| • Temperature range between 425°C and 525°C must be avoided owing to embrittlement at 475°C |
| Ferritic Steel Tube ASTM A268 TP405 Chemical composition mass in % | |||||||||||
| Material grade | Norm | C | Si | Mn | P | S | Cr | Ni | Mo | Ti | others |
| max. | max. | max. | max. | max. | |||||||
| 1.4002 | EN 10297-2 | 0.080 | 1.00 | 1.00 | 0.040 | 0.030 | 12.00 - 14.00 | / | / | / | Al 0/1 – 0/3 |
| TP405 | ASME SA / ASTM A 268 | 0.080 | 1.00 | 1.00 | 0.040 | 0.030 | 11.50 - 14.50 | 0.50 | / | / | Al 0/1 – 0/3 |
| Ferritic Steel Tube STM A268 TP405 Mechanical properties and heat treatment | |||||||
| Material grade | Norm | Rp 0,2 MPa | Rp 1,0 MPa | Rm MPa | A | Hardness | Heat treatment |
| min. | min. | min. max. | min.% | HRB max. | |||
| 1.4002 | EN 10297-2 | 210 | 220 | 400 | 10 | annealed | |
| TP405 | ASME SA 268/ ASTM A268 | 205 | 415 | 20 | 95 | annealed | |
| Rp 0,2 = Rotation Rp 1,0 = Yield Strength Rm = Tensile Strength A = Elongation | |||||||
ASTM A268 TP405 (1.4002, UNS S40500) Applications:
Grade 405 stainless steel is used in quenching racks, annealing boxes, partitions, steam nozzles and various other fabrications that cannot be annealed after welding.
