Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASME SA213 TP444 Stainless Steel Seamless Tube for Heat Exchanger Application
ASME SA213 Stainless Steel Seamless Tubes are finished in accordance with customer needs regarding dimensional and wall thickness specifications as well as heat treatment for more demanding applications. In general ASME SA213 stainless steel seamless tube is manufactured in sizes from 1/2” to 8”NB according to current standards ASTM, API, and ASME.
ASME SA213 Heat Exchanger Tube Main Testing Terms and Procedure
1. Heat Treatment and Solution Annealing / Bright Annealing
2. Cutting to required length and deburring;
3. Chemical Composition Analysis Test With 100% PMI and One tube from each heat by Direct Reading Spectrometer
4. Visual Test and Endoscope Test for Surface Quality Test
5. 100% Hydrostatic Test and 100% Eddy Current Test
6. Ultrasonic Test subject to the MPS (Material Purchase Specification)
7. Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test
8. Impact Test subject to Standard request
9. Grain Size Test and Intergranular Corrosion Test
10. Ultrasoic measuring of Wall Thickness.
Tubes End: Tubes are supplied with Plain end, Bevel end, Square cut under request, and deburring.
ASME SA213 TP444 Chemical Element Composition Content
| Component | C | Si | Mn | P | S | Cr | Mo | N | More |
| Max | - | - | - | - | - | 17.5 | 1.75 | - | Ni+Cu≤1.00；Ti+Nb:0.20+4(C+N) ~ 0.80 |
| Min | 0.03 | 1 | 1 | 0.04 | 0.03 | 19.5 | 2.5 | 0.035 |
ASME SA213 TP444 Stainless Steel Seamless Heat Exchanger Tube Mechanical Properties
| Tensile strength σb, Mpa | yield point σs, Mpa | elongation or elongation after fracture δ, % | Hardness HBW |
| ≥415 | ≥275 | ≥20 | ≤217 |
ASME SA213 TP444 stainless steel seamless tube has become an ultra-pure ferritic stainless steel pipe with excellent performance due to its excellent immunity to chloride stress corrosion cracking (Cl-SCC), top resistance to pitting and crevice corrosion, low thermal expansion and other excellent physical properties and affordable cost performance. This also makes ASME SA213 TP444 stainless steel seamless tube widely used in water treatment systems, heat exchangers, seawater desalination equipment and other industrial fields in chlorine-containing medium working environment. At the same time, during the use of ASME SA213 TP444 stainless steel seamless tube, the working temperature must be strictly controlled to avoid the brittle range of 370-540°C, and the standard process must be strictly followed during welding and cold processing.
ASME SA213 TP444 Stainless Steel Seamless Tube Application:
Nuclear Industries
Chemical Industry
Petro-Chemical industry
HVAC (Heating Ventilation Air Conditioning), refrigeration
Food and Beverages
Power Generation
Shell and Tube Heat Exchangers
