- Add: Heping Industrial Park, Heping town, Changxing county, Huzhou City, Zhejiang Province, China
- Tel: 0572-6972982
- Fax: 0572-6972582
- Email: sales@dsssco.com



Stainless steel welded tube
- Standard:ASTM A249
- Grade: 304
- Size:8 - 610 mm
- Others:
- Product description: China best stainless steel welded tube manufacturer and supplier, tube standard ASTM, JIS, DIN, GB, GOST, stainless steel material 300 series, 400 series, duplex steel etc.
Product introduction
1.Standard:
ASTM A249 – Standard Speci?cation for Welded Austenitic SteelBoiler, Superheater, Heat Exchanger, and Condenser TubesASTM A312 – Specification for Seamless and Welded Austenitic Stainless Steel Pipes
ASTM A268 – Standard Speci?cation for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
ASTM A269 – Speci?cation for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
ASTM A270 – Standard Speci?cation for Seamless and Welded Austenitic and Ferritic / Austenitic Stainless Steel Sanitary Tubing
ASTM A554 – Specification for Welded Stainless Steel Mechanical Tubing
ASTM A688 – Standard Speci?cation for Welded Austenitic Stainless Steel Feedwater HeaterTubes
ASTM A789 – Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
ASTM A790 – Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
ASTM A213 – Specification for Seamless Ferric and Austenitic Alloy-Steel Boiler, Su[perheater, and Heat-Exchanger Tubes
ASTM A 511 – Specification for Seamless Stainless Steel Mechanical Tubing
ASTM A999 – Specification for General Requirements for alloy and Stainles Steel Pipe
DIN 17456 – Seamless circular austenitic stainless steel tubes for general service
DIN 17457 – Welded circular austenitic stainless steel tubes subject to special requirements
DIN 17458 Seamless circular austenitic stainless steel tubes subject to special requirement
DIN 17459 – Seamless circular high-temperature austenitic stainless steel tubes
DIN EN ISO 1127 Seamless stainless steel tubes
EN 10216-7 – welded stainless steel tube
EN 10216-5 – Seamless steel tubes for pressure purposes
EN 10217-7 – Welded steel tubes for pressure purposes–Technical delivery conditions–Part 7:Stainless steel tubes
GOST 9940 – Seamless stainless steel tubes, hot finished
GOST 9941-81 – Seamless stainless steel tubes, cold and hot finished
2.Grade:
EN Designation | Alternative Designations | |||||
---|---|---|---|---|---|---|
Steel name | Steel number | AISI | UNS | Other US | BS |
Generic/Brand |
Ferritic stainless steels | ||||||
X2CrNi12 | 1.4003 | S40977 | 3CR12 | |||
X2CrTi12 | 1.4512 | 409 | S40900 | 409S19 | ||
X6CrAl13 | 1.4002 | 405 | S40500 | 405S17 | ||
X6Cr17 | 1.4016 | 430 | S43000 | 430S17 | ||
X3CrTi17 | 1.4510 | 439 | S43035 | |||
X2CrMoTi18-2 | 1.4521 | 444 | S44400 | |||
X6CrMoNb17-1 | 1.4526 | 436 | S43600 | |||
X2CrTiNb18 | 1.4509 | 441 | S43932 | 18CrCb | ||
Austenitic stainless steels | ||||||
X2CrNiN18-7 | 1.4318 | 301LN | S30153 | |||
X2CrNi18-9 | 1.4307 | 304L | S30403 | 304S11 | ||
X2CrNi19-11 | 1.4306 | 304L | S30403 | |||
X2CrNiN18-10 | 1.4311 | 304LN | S30453 | 304S51 | ||
X5CrNi18-10 | 1.4301 | 304 | S30400 | 304S15 | ||
X6CrNiTi18-10 | 1.4541 | 321 | S32100 | 321S31 | ||
X6CrNiNb18-10 | 1.4550 | 347 | S34700 | 347S31 | ||
X2CrNiMo17-12-2 | 1.4404 | 316L | S31603 | 316S11 | ||
X5CrNiMo17-12-2 | 1.4401 | 316 | S31600 | 316S31 | ||
X6CrNiMoTi17-12-2 | 1.4571 | 316Ti | S31635 | 320S31 | ||
X2CrNiMo17-12-3 | 1.4432 | 316L | S31603 | 316S13 | ||
X2CrNiMoN17-3-3 | 1.4429 | 316LN | S31653 | |||
X3CrNiMo17-13-3 | 1.4436 | 316 | S31600 | 316S33 | ||
X2CrNiMo18-14-3 | 1.4435 | 316L | S31603 | 316S13 | ||
X2CrNiMoN17-13-5 | 1.4439 | 317LMN | S31726 | |||
X1NiCrMoCu25-20-5 | 1.4539 | N08904 | 904S13 | 904L | ||
X1CrNiMoCuN20-18-7 | 1.4547 | S31254 | F44 | 254SMO | ||
X6CrNiMoNb17-12-2 | 1.4580 | S31640 | ||||
X2CrNiMo18-15-4 | 1.4438 | 317L | S31703 | 317S12 | ||
X1CrNiMoCuN24-22-8 | 1.4652 | S32654 | 654SMO | |||
X1NiCrMo31-27-4 | 1.4563 | N08028 | Sanicro 28 | |||
X1CrNiMoCuN25-25-5 | 1.4537 | N08932 | ||||
X1CrNiMoCuNW24-22-6 | 1.4659 | S31266 | ||||
X1NiCrMoCuN25-20-7 | 1.4529 | N08925 | 1925hMo | |||
Austenitic stainless steels – heat resisting Grades | ||||||
X15CrNiSi20-12 | 1.4828 | |||||
X9CrNiSiNCe21-11-2 | 1.4835 | S30815 | 253 MA | |||
X12CrNi23-13 | 1.4833 | 309 | S30900 | 309S24 | ||
X8CrNi25-21 | 1.4845 | 310S | S31000 | 310S24 | ||
X6CrNiSiNCe19-10 | 1.4818 | S30415 | 153 MA | |||
X6NiCrSiNCe35-25 | 1.4854 | S35315 | 353MA | |||
X10NiCrSi35-19 | 1.4886 | N08330 | 330 | |||
Austenitic-ferritic stainless steels | ||||||
X2CrMnNiN21-5-1 | 1.4162 | S32101 | 2101 LDX | |||
X2CrNiN23-4 | 1.4362 | S32304 | 2304 | |||
X2CrNiMoN12-5-3 | 1.4462 |
S31803/ S32205 |
F51 | 2205 | ||
X2CrNiMoN25-7-4 | 1.4410 | S32750 | F53 | 2507 | ||
X2CrNiMoCuEWN25-7-4 | 1.4501 | S32760 | F55 |
Zeron 100 |
3. Manufacturing process of stainless steel welded tube:
Coil - Inspection and analysis - Slitting - Auto-welding - Seam-grinding - Solution treatment on line - Cut to length - Annealing - Straightening - Picking - End-facing - Eddy current test - Hydrostatic test - Final inspection - Marking - Packing - Shipping
Plate - Inspection - Plasma-cutting - Edging - Bending - Seam- cleaning - Forming - Auto- welding - Degreasing - Annealing - Roundness-calibrating -End-facing - Eddy current test - Hydrostatic test - Final inspection - Marking - Packing - Shipping
4. surface
No.1 | No.2D | No.2B | No.2B BA | No.3 |
No.4 |
No.6 |
No.7 |
No.8(mirror) |
5. Size comparison and weight of stainless steel pipe
外径(OD) |
壁厚(WTH) |
重量(Weight) |
||||
英寸(IN) |
毫米(MM) |
单位 |
毫米(MM) |
英寸(IN) |
公斤/米(kg/m) |
磅/英尺(Pound/ft) |
1/8” |
10.3 |
10S |
1.24 |
0.049 |
0.28 |
0.19 |
1/8” |
10.3 |
STD-40 |
1.73 |
0.068 |
0.37 |
0.25 |
1/8” |
10.3 |
XS-80 |
2.41 |
0.095 |
0.48 |
0.32 |
1/4” |
13.7 |
10S |
1.65 |
0.065 |
0.50 |
0.34 |
1/4” |
13.7 |
STD-40 |
2.24 |
0.088 |
0.64 |
0.43 |
1/4” |
13.7 |
XS-80 |
3.02 |
0.119 |
0.81 |
0.55 |
3/8” |
17.1 |
10S |
1.65 |
0.065 |
0.64 |
0.43 |
3/8” |
17.1 |
STD-40 |
2.31 |
0.091 |
0.85 |
0.57 |
3/8” |
17.1 |
XS-80 |
3.20 |
0.126 |
1.11 |
0.75 |
1/2” |
21.3 |
5S |
1.05 |
0.042 |
0.53 |
0.36 |
1/2” |
21.3 |
10S |
2.11 |
0.083 |
1.01 |
0.68 |
1/2” |
21.3 |
STD-40 |
2.77 |
0.109 |
1.28 |
0.86 |
1/2” |
21.3 |
XS-80 |
3.73 |
0.147 |
1.63 |
1.10 |
1/2” |
21.3 |
160 |
4.78 |
0.188 |
1.97 |
1.33 |
1/2” |
21.3 |
XXS |
7.47 |
0.294 |
2.57 |
1.73 |
3/4” |
26.7 |
5S |
1.65 |
0.065 |
1.03 |
0.69 |
3/4” |
26.7 |
10S |
2.11 |
0.083 |
1.29 |
0.87 |
3/4” |
26.7 |
STD-40 |
2.87 |
0.113 |
1.70 |
1.14 |
3/4” |
26.7 |
XS-80 |
3.91 |
0.154 |
2.22 |
1.49 |
3/4” |
26.7 |
160 |
5.56 |
0.219 |
2.93 |
1.97 |
3/4” |
26.7 |
XXS |
7.82 |
0.308 |
3.68 |
2.48 |
1” |
33.4 |
5S |
1.65 |
0.065 |
1.31 |
0.88 |
1” |
33.4 |
10S |
2.77 |
0.109 |
2.12 |
1.42 |
1” |
33.4 |
STD-40 |
3.38 |
0.133 |
2.53 |
1.70 |
1” |
33.4 |
XS-80 |
4.55 |
0.179 |
3.27 |
2.18 |
1” |
33.4 |
160 |
6.35 |
0.250 |
4.28 |
2.88 |
1” |
33.4 |
XXS |
9.09 |
0.358 |
5.51 |
3.71 |
1 1/4” |
42.2 |
5S |
1.65 |
0.065 |
1.67 |
1.12 |
1 1/4” |
42.2 |
10S |
2.77 |
0.109 |
2.72 |
1.83 |
1 1/4” |
42.2 |
STD-40 |
3.56 |
0.140 |
3.43 |
2.31 |
1 1/4” |
42.2 |
XS-80 |
4.85 |
0.191 |
4.51 |
3.03 |
1 1/4” |
42.2 |
160 |
6.35 |
0.250 |
5.67 |
3.81 |
1 1/4” |
42.2 |
XXS |
9.70 |
0.382 |
7.85 |
5.28 |
1 1/2” |
48.3 |
5S |
1.65 |
0.065 |
1.92 |
1.29 |
1 1/2” |
48.3 |
10S |
2.77 |
0.109 |
3.14 |
2.11 |
1 1/2” |
48.3 |
STD-40 |
3.68 |
0.145 |
4.09 |
2.75 |
1 1/2” |
48.3 |
XS-80 |
5.08 |
0.200 |
5.47 |
3.68 |
1 1/2” |
48.3 |
160 |
7.14 |
0.281 |
7.32 |
4.92 |
1 1/2” |
48.3 |
XXS |
10.15 |
0.400 |
9.65 |
6.49 |
2” |
60.3 |
5S |
1.65 |
0.065 |
2.41 |
1.62 |
2” |
60.3 |
2.11 |
0.083 |
3.06 |
2.06 |
|
2” |
60.3 |
10S |
2.77 |
0.109 |
3.97 |
2.67 |
2” |
60.3 |
3.18 |
0.125 |
4.52 |
3.04 |
|
2” |
60.3 |
STD-40 |
3.91 |
0.154 |
5.49 |
3.69 |
2” |
60.3 |
XS-80 |
5.54 |
0.218 |
7.56 |
5.08 |
2” |
60.3 |
160 |
8.74 |
0.344 |
11.23 |
7.55 |
2” |
60.3 |
XXS |
11.07 |
0.436 |
13.58 |
9.13 |
2 1/2” |
73.0 |
5S |
2.11 |
0.083 |
3.73 |
2.51 |
2 1/2” |
73.0 |
10S |
3.05 |
0.120 |
5.32 |
3.57 |
2 1/2” |
73.0 |
30 |
4.78 |
0.188 |
8.12 |
5.46 |
2 1/2” |
73.0 |
STD-40 |
5.16 |
0.203 |
8.72 |
5.86 |
2 1/2” |
73.0 |
XS-80 |
7.01 |
0.276 |
11.52 |
7.74 |
2 1/2” |
73.0 |
160 |
9.53 |
0.375 |
15.08 |
10.14 |
2 1/2” |
73.0 |
XXS |
14.02 |
0.552 |
20.60 |
13.84 |
3” |
88.9 |
5S |
2.11 |
0.083 |
4.56 |
3.07 |
3” |
88.9 |
2.77 |
0.109 |
5.95 |
4.00 |
|
3” |
88.9 |
10S |
3.05 |
0.120 |
6.52 |
4.38 |
3” |
88.9 |
3.18 |
0.125 |
6.79 |
4.56 |
|
3” |
88.9 |
3.58 |
0.141 |
7.61 |
5.12 |
|
3” |
88.9 |
3.96 |
0.156 |
8.38 |
5.63 |
|
3” |
88.9 |
STD-40 |
5.49 |
0.216 |
11.41 |
7.67 |
3” |
88.9 |
XS-80 |
7.62 |
0.300 |
15.43 |
10.37 |
3” |
88.9 |
160 |
11.13 |
0.438 |
21.56 |
14.49 |
3” |
88.9 |
XXS |
15.24 |
0.600 |
27.96 |
18.79 |
3 1/2” |
101.6 |
5S |
2.11 |
0.083 |
5.23 |
3.52 |
3 1/2” |
101.6 |
10S |
3.05 |
0.120 |
7.49 |
5.03 |
3 1/2” |
101.6 |
30 |
4.78 |
0.188 |
11.53 |
7.75 |
3 1/2” |
101.6 |
STD-40 |
5.74 |
0.226 |
13.71 |
9.21 |
3 1/2” |
101.6 |
XS-80 |
8.08 |
0.318 |
18.83 |
12.65 |
4” |
114.3 |
5S |
2.11 |
0.083 |
5.90 |
3.97 |
4” |
114.3 |
10S |
3.05 |
0.120 |
8.46 |
5.68 |
4” |
114.3 |
3.18 |
0.125 |
8.81 |
5.92 |
|
4” |
114.3 |
3.96 |
0.156 |
10.89 |
7.32 |
|
4” |
114.3 |
4.37 |
0.172 |
11.97 |
8.05 |
|
4” |
114.3 |
4.78 |
0.188 |
13.04 |
8.76 |
|
4” |
114.3 |
5.16 |
0.203 |
14.03 |
9.43 |
|
4” |
114.3 |
5.56 |
0.219 |
15.06 |
10.62 |
|
4” |
114.3 |
STD-40 |
6.02 |
0.237 |
16.24 |
10.91 |
4” |
114.3 |
6.35 |
0.250 |
17.08 |
11.48 |