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| Categories | Stainless Steel Welded Tube |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | ASTM A249 TP321 / S32100 / 1.4541 Stainless Steel Welded Tube |
| Certification: | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin: | CHINA |
| MOQ: | 100KGS |
| Payment Terms: | L/C, T/T |
| Delivery Time: | 7days |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name: | Stainless Steel Welded Tube |
| Standard: | ASTM A249/ASME SA249 |
| Material Grade: | TP304, TP304L,TP316L,TP321,TP321H,TP310 ETC. |
| Welded Size: | 1/2" NB - 16" NB |
| Thickness: | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| End: | Plain End, Beveled End |
| Tube Shape: | Straight & U Bend & Coil |
| NDT: | ET, HT, PT |
| Surface: | Bright Annealed (BA), Pickled And Annlealed , Polished |
| Application: | Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
ASTM A249 TP321 / S32100 / 1.4541 Stainless Steel Welded Tube Heat Exchanger Tube
Annealed Pickling Stainless Steel Welded Tube
A249 welded tube should be annealed solution after welding, general Austenitic stainless steel heat treatment temperature from 1040 to 1150 degree Celsius, different grades have different annealing temperatures, this process can remove oxidation scale, plain grain structure and relieve stress, making tube soft and easy to fabricate, after annealing, ss tubes should be pickling in mixture of acid, removing scale and cleaning the surface, then passivation condition form a layer of oxidation film protecting tubes.
Bright Annealing Stainless Steel Welded Tube
Bright annealing (BA) finish is an another surface condition, it improve tube surface bright level and make surface more clean, a perfect additional requirement beside annealing passivation finishing.
TP321 Stainless Steel Welded Tubes Specification
| Specifications | ASTM A249 / SA 249 |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″NB TO 30″NB |
| Welded Size | 1/2" NB - 16" NB |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | ASTM A 249 TP 321 SS Welded Tubes |
| Specialized in | Large Diameter Size |
| Length | Single Random, Double Random & Cut Length. |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| End | Plain End, Beveled End, Treaded |
ASTM A249 TP321 Stainless Steel Welded Tubes Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. | EN |
| SS 321 | S32100 | 1.4541 | X6CrNiTi18-10 |
ASTM A249 TP321 Stainless Steel Welded Tubes Chemical Composition
| Grade | C | N | Ni | Si | P | S | Mn | Cr | Ti | |
| SS321 | Min | - | - | 9.00 | - | - | - | - | 17.0 | 5(C+N) |
| max | 0.08 | 0.10 | 12.00 | 1.00 | 0.045 | 0.030 | 2.00 | 19.0 | 0.70 max |
ASTM A249 TP321 Stainless Steel Welded Tubes Mechanical Properties
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) | Yield Strength 0.2% Proof (MPa) | Hardness | |
| Rockwell (HR B) max | Brinell (HB) max | ||||
| SS321 | 515 | 40 | 205 | 95 | 217 |
Other Material Grades Chemical Compositions
| Grade | UNS | Composition, % | ||||||||||||||
| Design | C | Mn | P | S | Si | Cr | Ni | Mb | Ti | Nb | N | Cu | Ce | B | Al | |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–13 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP304H | S30409 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 8.0–11 | . . . | . . . | . . . | . . . | . . . | . . . | ||
| TP310S | S31008 | 0.08 | 2 | 0.045 | 0.03 | 1 | 24.0- 26 | 19.0- 22 | 0.8 | . . . | . . . | . . . | . . . | . . . | ||
| TP310H | S31009 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 24.0–26 | 19.0–22 | . . . | . . . | . . . | . . . | . . . | |||
| TP310H | S31035 | 0.04 – 0.1 | 0.6 | 0.025 | 0.015 | 0.4 | 21.5–23.5 | 23.5–26.5 | . . . | . . . | 0.40- 0.6 | 0.20- 0.3 | 2.5- 3.5 | . . . | 0.002- 0.008 | |
| TP316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP316H | S31609 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 16.0–18 | 10.0–14 | 2.00–3 | . . . | . . . | . . . | . . . | . . . | ||
| TP317 | S31700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 11.0–15 | 3.0–4 | . . . | . . . | . . . | . . . | . . . | ||
| TP317L | S31703 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0–20 | 11.0–15 | 3.0–4 | . . . | . . . | . . . | . . . | . . . | ||
| TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | Ti 5 × (C+N) min, 0.70 max | . . . | 0.1 | . . . | . . . | ||
| TP321H | S32109 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–12 | . . . | 4(C+N) min; 0.70 max | . . . | 0.1 | . . . | . . . | ||
| TP321H | S32654 | 0.02 | 2.0-4 | 0.03 | 0.005 | 0.5 | 24.0–25 | 21.0–23 | 7.0-8 | . . . | . . . | 0.45- 0.55 | 0.30-0.6 | . . . | ||
| TP321H | S33228 | 0.04 – 0.08 | 1 | 0.02 | 0.015 | 0.3 | 26.0–28 | 31.0–33 | . . . | . . . | 0.60- 1 | . . . | . . . | 0.05 – 0.1 | 0.025 | |
| TP321H | S34565 | 0.03 | 5.0-7 | 0.03 | 0.01 | 1 | 23.0–25 | 16.0–18 | 4.0-5 | . . . | 0.1 | 0.40- 0.6 | . . . | . . . | ||
| TP347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–13 | . . . | . . . | See Spec | . . . | . . . | . . . | ||
| TP347H | S34709 | 0.04 – 0.1 | 2 | 0.045 | 0.03 | 1 | 17.0–19 | 9.0–13 | . . . | . . . | See Spec | . . . | . . . | . . . | ||
| Alloy 20 | N08020 | 0.07 | 2 | 0.045 | 0.035 | 1 | 19.0–21 | 32.0–38 | 2.0–3 | . . . | See Spec | . . . | 3.0– 4 | . . . | . . . | . . . |
| Alloy 20 | N08367 | 0.03 | 2 | 0.04 | 0.03 | 1 | 20.0–22 | 23.5–25.5 | 6.0–7 | . . . | . . . | 0.18–0.25 | 0.75 | . . . | . . . | . . . |
| Alloy 20 | N08028 | 0.03 | 2.5 | 0.03 | 0.03 | 1 | 26.0–28 | 30.0–34 | 3.0–4 | 0.60–1.4 | ||||||
| Alloy 20 | N08029 | 0.02 | 2 | 0.025 | 0.015 | 0.6 | 26.0–28 | 30.0–34 | 4.0–5 | 0.6– 1.4 | ||||||
ASTM A249 TP321 Stainless Steel Welded Tubes Applications
It is widely used in heat exchanger industrial, boiler industrial, condenser industrial, Gas Processing Industries, Petrochemical Industries, Power Generation Industries, Food Processing Industries, Chemical Industries, etc.
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