| Material Grade: | TP444 / UNS NO44400 / SUS 444 | Standard: | ASTM A213/ASME SA213 |
|---|---|---|---|
| Certificate: | ABS， GL， DNV， NK， PED， AD2000， GOST9941-81， CCS， ISO 9001-2008 | Extra Services: | End Forming，Heat Treating |
| Technique: | Cold Rolled And Cold Drawn | Application: | Heat Exchanger /Condenser / Food |
| High Light: | Cold Rolled Stainless Steel， TP444 Stainless Steel， Heat Exchanger Stainless | ||
ASTM A213 (ASME SA213) TP444 Stainless Steel Applied For Heat Exchanger
ASTM A213 ASME SA213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler， Superheater， and Heat-Exchanger Tubes. TONG CHUANG GROUP is specialized manufacturer of ASTM A213 TP304L， ASME SA213 TP304 TP304L TP304H TP316L TP316Ti TP321 TP317L TP347 TP347H Stainless Steel Heat Exchanger Tubesare used in Shell and Tube Heat Exchanger with all types of process industries. We offer the market’s widest selection of stainless steel grades and has extensive experience of manufacturing heat exchanger tubes.
ASTM A213 SS tubes and ASME SA213 Stainless Steel 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 ASTM A213 ss seamless tube is manufactured in sizes from 1/2” to 8”NB according to current standards ASTM， API， and ASME.
ASTM A213 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.
A213 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 |
A213 TP444 Mechanical properties
Tensile strength σb | yield point σs | elongation or elongation after fracture δ | Hardness HBW |
| ≥415 | ≥275 | ≥20 | ≤217 |
Application:
Nuclear Industries
Chemical Industry
Petro-Chemical industry
HVAC (Heating Ventilation Air Conditioning)， refrigeration
Food and Beverages
Power Generation
Shell and Tube Heat Exchangers
