Zhejiang Kangxin Steel Pipe Co., Ltd.
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Stainless steel polished tube

Stainless steel polished pipe is a kind of pipe with good corrosion resistance, heat resistance, low temperature strength and mechanical properties, good hot workability such as stamping and bending, no heat treatment hardening phenomenon (non-magnetic), molybdenum content and low carbon content. , its resistance to pitting corrosion in marine and chemical industrial environments is much better than that of 304 stainless steel.

Product testing: dimensional testing, appearance testing, PMI material testing, hydraulic testing, eddy current testing, non-destructive testing, mechanical property testing, intergranular corrosion testing, etc.
Production standards: GB/T 14976-2012, GB/T 13296-2013, GB3087-1999, GB5310-1995, GB/T 21833-2008, ASTM-A312, ASTM-A213, ASTM-A269,EN10216-5, etc.
Product materials: 304/304L, 316/316L, 321/321H, 316Ti, 317L, 347H, 309S, 310S, 2205, 2507, 904L, 254Mo, 400, 600, 800 series

  • SPECIFICATIONS
  • Chemical Composition
  • Pipe Dimensions
  • Tube Dimensions
  • Production Flowchart
  • Packaging
(A) ASTM/ASME – Standards
A 213 / SA 213 Seamless ferritic and austenitic alloy steel boiler, super heater and heat Exchanger Tubes
A 249 / SA 249 Welded austenitic steel boiler, Super Heater, Heat Exchanger and Condenser Tubes
A 268 / SA 268 Seamless and Welded ferritic and martensitic stainless steel tubing for general service
A 269 / SA 269 Austenitic Seamless and Welded stainless steel tubes for general service
A 312 / SA 312 Seamless and Welded austenitic stainless steel pipes
A 358 / SA 358 Welded pipe for high temperature service
A 688 / SA 688 Welded feed water heater ‘U’ Tubes
(C) German – Standards
DIN 17455 Stainless Steel Welded Pipes for general purpose
DIN 17456 Seamless circular austenitic stainless steel for general service
DIN 17457 Circular austenitic stainless steel welded tubes subject to special requirement
DIN 17458 Seamless circular austenitic stainless steel tubes subject to special requirement
DIN 28180 Seamless steel tubes for heat exchanger
(D) NF – Standards (AFNOR Standard)
NF A 49-117 Seamless ferritic and austenitic S.S. tubes for general services
NF A 49-217 Seamless ferritic, austenitic and ferritc-austenitic stainless steel tubes for heat exchanger
(F) JIS – Standards
JIS G 3459 Seamless S.S. Pipes.
JIS G 3463 Stainless steel boiler and heat exchanger tubes
Grade DIN (EN) % C(Max) % Mn Max % P (Max) % S (Max) % SI(Max) % CR % Ni % Mo % N Max % CU Max % OTHERS
Austenitic 304 1.4301 0.080 2.00 0.045 0.030 0.75 18.00-20.00 8.00-10.50 0.10
304H 1.4948 0.04-0.10 2.00 0.045 0.030 0.75 18.00-20.00 8.00-10.50
304L 1.4307 0.030 2.00 0.045 0.030 0.75 18.00-20.00 8.00-12.00 0.10
304LN 1.4311 0.030 2.00 0.045 0.030 0.75 18.00-20.00 8.00-12.00 0.10-0.16
309 1.4828 0.20 2.00 0.045 0.030 0.75 22.00-24.00 12.00-15.00
309S 0.08 2.00 0.045 0.030 0.75 22.00-24.00 12.00-15.00
310 1.4841 0.025 2.00 0.045 0.030 1.50 24.00-26.00 19.00-22.00
310S 1.4845 0.08 2.00 0.045 0.030 1.50 24.00-26.00 19.00-22.00
316 1.4401 0.08 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 0.10
316L 1.4404 0.030 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 0.10
316LN 0.030 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 0.10-0.16
316Ti 1.4571 0.08 2.00 0.045 0.030 0.75 16.00-18.00 10.00-14.00 2.00-3.00 0.10 Ti = 5X (C+N) Min., 0.70 Max.
317 1.4449 0.08 2.00 0.045 0.030 0.75 18.00-20.00 11.00-15.00 3.00-4.00 0.10
317L 1.4438 0.030 2.00 0.045 0.030 0.75 18.00-20.00 11.00-15.00 3.00-4.00 0.10
317LN 0.030 2.00 0.045 0.030 0.75 18.00-20.00 11.00-15.00 3.00-4.00 0.10-0.22
321 1.4541 0.08 2.00 0.045 0.030 0.75 17.00-19.00 9.00-12.00 0.10 Ti = 5X (C+N) Min., 0.70 Max.
347 1.4550 0.08 2.00 0.045 0.030 0.75 17.00-19.00 9.00-13.00 Cb = 10XC Min.,1.00 Max.
Ferritic + Martensitic 409 1.4512 0.080 1.00 0.040 0.020 1.00 10.50-11.75 0.50 max. 0.030 Ti = 6X (C+N) Min., 0.70 Max.
409RC 0.02 1.00 0.040 0.030 1.00 10.50-11.75 0.50 max. 0.020 Ti = 5X C Min., 0.75 Max.
409M 0.03 0.8-1.5 0.03 0.030 1.00 10.80-12.50 1.50 max. 0.030 Ti = 0.75 Min.,
410 1.4006 0.15 1.00 0.040 0.030 1.00 11.50-13.50 0.75 max.
410S 0.08 1.00 0.040 0.030 1.00 11.50-13.50 0.60 max.
Ferritic 405 0.80 1.00 0.04 0.030 1.00 11.50-14.50 0.60 Al = 0.10 – 0.30
430 1.4016 0.12 1.00 0.04 0.030 1.00 16.00-18.00 0.75 max.
430Ti 0.030 1.00 0.04 0.030 1.00 16.00-19.00 Ti = 0.10 -1.0
436 0.12 1.00 0.040 0.030 1.00 16.00-18.00 0.75-1.25 Cb = 5X C Min., 0.80 max.
439 0.07 1.00 0.04 0.03 1.0 17.00-19.00 0.5 0.04 Al = 0.15, Ti = 0.2 -1.0
Stainless Steel Welded Pipes Dimension – (S.S. Welded Pipe)
Nominal Pipe Size Nominal Outside Diameter Wall Thickness & Weight
Sch. 5S Sch. 10S Sch. 20S Sch. 40S Sch. 80S Sch. 160S
mm Inch mm Inch Wall Thick Weight Kg/Mtr. Wall Thick Weight Kg/Mtr. Wall Thick Weight Kg/Mtr. Wall Thick Weight Kg/Mtr. Wall Thick Weight Kg/Mtr. Wall Thick Weight Kg/Mtr.
6 1/8 10.3 0.405 1 0.23 1.24 0.28 1.5 0.33 1.73 0.37 2.41 0.47
8 1/4 13.7 0.54 1.2 0.37 1.65 0.49 2 0.58 2.24 0.64 3.02 0.82
10 3/8 17.2 0.675 1.2 0.47 1.65 0.63 2 0.74 2.31 0.87 3.2 1.12
15 1/2 21.3 0.84 1.65 0.81 2.11 1.02 2.3 1.07 2.77 1.29 3.73 1.62 4.75 1.97
20 3/4 26.7 1.05 1.65 1.05 2.11 1.3 2.5 1.52 2.87 1.71 3.91 2.93 5.56 2.93
25 1 33.4 1.315 1.65 1.03 2.77 2.13 2.5 2 3.38 2.54 4.55 3.29 6.35 4.3
32 42.2 1.66 1.65 1.65 2.77 2.73 3 2.9 3.56 3.44 4.85 4.56 6.35 5.69
40 48.3 1.9 1.65 1.93 2.77 3.11 3 3.35 3.68 4.11 5.08 5.49 7.14 7.35
50 2 60.3 2.375 1.65 2.4 2.77 3.99 3.5 4.25 3.91 5.52 5.54 7.6 8.74 11.26
65 73.03 2.875 2.11 3.7 3.05 5.26 4 6.81 5.16 8.77 7.01 11.59 9.53 14.91
80 3 88.9 3.5 3.5 4.51 3.05 6.45 4 8.37 5.49 11.47 7.62 15.51 11.13 21.3
100 4 114.3 4.5 2.11 5.85 3.05 8.36 4.5 12.18 6.02 16.07 8.56 22.66 13.49 33.54
125 5 141.3 5.563 2.77 9.5 3.4 11.6 5 16.8 6.55 21.08 9.53 31 15.88 49.11
150 6 168.3 6.625 2.77 11.35 3.4 13.82 6.35 25.36 7.11 28.68 10.97 42.56 8.24 67.53
200 8 219.08 8.625 2.77 14.8 3.76 20 6.35 33.31 8.18 43.18 12.7 64.64 23.01 111.27
250 10 273.05 10.75 3.4 22.61 4.19 27.8 6.35 41.77 9.27 60.31 12.7 81.55 28.58 172.33
300 12 323.85 12.75 3.96 31.25 4.57 36 6.35 49.7 9.53 73.85 12.7 97.43 33.32 238.68
350 14 355.6 14 3.96 34.35 4.78 41.3 7.92 67.9 11.13 98.54
400 16 406.4 16 4.19 41.6 4.78 47.34 7.92 77.82 12.07 123.3
450 18 457.2 18 4.19 46.85 4.78 53.32 7.92 87.74 14.27 155.86
500 20 508 20 4.78 59.31 5.54 68.64 9.53 117.14 15.09 183.42
600 24 609.6 24 5.54 82.57 6.35 94.52 9.53 141.11 17.48 255.41
Stainless Steel Welded Tubes Dimension – (S.S. Welded Tube)
Wall thickness in mm. 0.5 0.6 0.7 0.8 1 1.2 1.6 2 2.6 3 3.2 3.6
O.D. in mm. Weight in kg/meter
6 0.069 0.081 0.093 0.104 0.125 0.144 0.176
9.52 0.112 0.134 0.154 0.174 0.213 0.249 0.317
10 0.119 0.141 0.163 0.184 0.225 0.264 0.336
12.7 0.153 0.182 0.21 0.238 0.293 0.345 0.444
14 0.169 0.201 0.233 0.264 0.325 0.384 0.496
15.87 0.192 0.229 0.266 0.301 0.372 0.44 0.571 0.694
19 0.231 0.276 0.32 0.364 0.45 0.534 0.696 0.85 1.066 1.2 1.264
25 0.306 0.366 0.425 0.484 0.6 0.714 0.936 1.15 1.456 1.65 1.744 1.926
25.4 0.311 0.372 0.432 0.492 0.61 0.726 0.952 1.17 1.482 1.68 1.776 1.962
31.8 0.918 1.208 1.49 1.898 2.16 2.288 2.538
38 1.104 1.456 1.8 2.301 2.625 2.784 3.096
44.5 1.299 1.716 2.125 2.724 3.113 3.304 3.681
50.8 1.488 1.968 2.44 3.133 3.585 3.808 4.248
63.5 2.476 3.075 3.959 4.538 4.824 5.391
76.1 2.98 3.705 4.778 5.483 5.832 6.525
101.6 4 4.98 6 7 7,872 8.82