Simplex Steel
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Stainless Steel Welded Tube Manufacturer India

SS 304 and 316 ERW Tube Suppliers in custom length as per Astm A554 Standard

Table Of Content:

 

Stainless Steel Welded Tube

Stainless Steel Welded Tube

ASTM A213 SS Tube

ASTM A213 SS Tube

SS Welded Tubing

SS Welded Tubing

Check Diffrence Between Welded Vs Seamless, Check Sizes & Updated Price List Of Stainless Steel Spiral/Laser Welded Tube.

Today, stainless steel is used for countless purposes. Not only are they resilient, but some grades are also frequently quite affordable, allowing the customer to reduce the overall cost of the operation. Alloy 304 Stainless Steel Welded Tube is one such affordable grade. It is also a very flexible metal and accounts for half of all stainless steel usage worldwide. Many Stainless Steel Welded Tube Manufacturers India also strongly suggest it.

Manufacturers and suppliers employ specs or standards all across the world to produce components with similar shapes. For instance, the Astm A554 specification for stainless steel welded tubes takes welded tubes into account. Several stainless steel grades designed for mechanical applications are covered under this specification. The Laser Welded Stainless Steel Tubes may be used for applications where corrosion resistance is a key consideration, for its aesthetics, for the material's mechanical characteristics, or both.

In contrast to seamless tubes, stainless steel welded tubes may be produced cheaply and using a reasonably straightforward technique. But when comparing Stainless Steel Tube Welded Vs Seamless in terms of outward appearance, it all boils down to a longitudinal seam that is welded across the tube. The Stainless Steel Spiral Welded Tube may have a little lower carbon content than the other variants despite the fact that their characteristics and chemical composition are similar. This allows for simple welding without the use of filler metal.

 

Specifications of SS Welded Tube

Standard

ASTM, AISI, GB, JIS, customers' requests available

Size

Round Tube: OD: 16-119mm or customized

Thickness

0.25mm-3.0mm

Length

6m or according to customers' request

Sample

Free sample is available, but freight should be paid by you

Tolerance

Outer diameter: ±0.2mm

Thickness: ±0.05mm

Length: ±0.5mm

Ends

In plain end or bevelled ends or as your requirements

Welding Line Type

ERW (Electrical Resistance Weld)

Finishing

A. Sanded

B. Gloss #400,Mirror #600 - #1000

C. Brushed

D. Wood Grain

E. Embossed, Threaded

Application

Decorations, constructions, food industry, etc.

Certification

ISO, SGS

Round Pipe Size

16, 17, 18, 19, 20, 21, 22, 23, 25, 28, 31.8, 35, 36, 38.1, 48, 50.8, 60, 63.5, 76.2, 89, 101, 114 mm

Square Pipe Size

17, 18, 19, 20, 21, 22, 23, 24, 25, 28, 30, 36, 38, 50 mm

Rectangle Pipe Size

10*30, 10*40, 10*50, 20*10, 23*11, 24*12, 25*13, 28*25, 28*13, 29*14, 30*15, 30*20, 30*22, 34*22, 36*23, 50*25, 60*30, 75*45, 95*45 mm

Thickness

exact 0.25, 0.28, 0.32, 0.37, 0.41, 0.51, 0.61, 0.71, 0.91, 1.11, 1.15, 1.41 mm

Length

6m or according to customer’s request

Outer diameter

6.35-219mm

Tolerance

Outer diameter :±0.2mm

Thickness :±0.02mm

Length :±0.5mm

Process method

Code drawn, annealed with nitrogen protection, ultrasonic, automatic shape, polished

Test

Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector

Equipment

Press machine, Bending machine, Pushing Machine, electric bevelling machine Sand-blasting machine, etc

Origin

West Europe / Japanese / Indian / USA / Korean / American / European

Test Certificates

Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

 

SS Welded Tubing Chemical Composition
Grade C Mn Si P S Cr Mo Ni N Ti Fe
304 min. 18.0 8.0
max. 0.08 2.0 0.75 0.045 0.030 20.0 10.5 0.10
304L min. 18.0 8.0
max. 0.030 2.0 0.75 0.045 0.030 20.0 12.0 0.10
304H min. 0.04 18.0 8.0
max. 0.010 2.0 0.75 0.045 0.030 20.0 10.5
SS 310 0.015 max 2 max 0.015 max 0.020 max 0.015 max 24.00 26.00 0.10 max 19.00 21.00 54.7 min
SS 310S 0.08 max 2 max 1.00 max 0.045 max 0.030 max 24.00 26.00 0.75 max 19.00 21.00 53.095 min
SS 310H 0.04 0.10 2 max 1.00 max 0.045 max 0.030 max 24.00 26.00 19.00 21.00 53.885 min
316 min. 16.0 2.03.0 10.0  
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0  
316L min. 16.0 2.03.0 10.0    
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0  
316TI 0.08 max 10.00 14.00 2.0 max 0.045 max 0.030 max 16.00 18.00 0.75 max 2.00 3.00
317 0.08 max 2 max 1 max 0.045 max 0.030 max 18.00 20.00 3.00 4.00 57.845 min
SS 317L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 20.00 3.00 4.00 11.00 15.00 57.89 min
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 19.00 9.00 12.00 0.10 max 5(C+N) 0.70 max
SS 321H 0.04 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 19.00 9.00 12.00 0.10 max 4(C+N) 0.70 max
347/ 347H 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 20.00 9.0013.00
410 min. 11.5
max. 0.15 1.0 1.00 0.040 0.030 13.5 0.75
446 min. 23.0 0.10
max. 0.2 1.5 0.75 0.040 0.030 30.0 0.50 0.25
904L min. 19.0 4.00 23.00 0.10
max. 0.20 2.00 1.00 0.045 0.035 23.0 5.00 28.00 0.25
Mechanical Properties of Stainless Steel Tubing
Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
304/ 304L 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
304H 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 40 %
310 / 310S / 310H 7.9 g/cm3 1402 °C (2555 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 40 %
306/ 316H 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
316L 8.0 g/cm3 1399 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
317 7.9 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
321 8.0 g/cm3 1457 °C (2650 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
347 8.0 g/cm3 1454 °C (2650 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
904L 7.95 g/cm3 1350 °C (2460 °F) Psi 71000 , MPa 490 Psi 32000 , MPa 220 35 %
Equivalent Grade of Welded Stainless Steel Tube
STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 03Х18Н11 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11
SS 304H 1.4301 S30409 – – – – –
SS 310 1.4841 S31000 SUS 310 310S24 20Ch25N20S2 – X15CrNi25-20
SS 310S 1.4845 S31008 SUS 310S 310S16 20Ch23N18 – X8CrNi25-21
SS 310H – S31009 – – – – –
SS 316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 – Z7CND17‐11‐02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z3CND17‐11‐02 / Z3CND18‐14‐03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3
SS 316H 1.4401 S31609 – – – – –
SS 316Ti 1.4571 S31635 SUS 316Ti 320S31 08Ch17N13M2T Z6CNDT17‐123 X6CrNiMoTi17-12-2
SS 317 1.4449 S31700 SUS 317 – – – –
SS 317L 1.4438 S31703 SUS 317L – – – X2CrNiMo18-15-4
SS 321 1.4541 S32100 SUS 321 – – – X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H – – – X12CrNiTi18-9
SS 347 1.4550 S34700 SUS 347 – 08Ch18N12B – X6CrNiNb18-10
SS 347H 1.4961 S34709 SUS 347H – – – X6CrNiNb18-12
SS 904L 1.4539 N08904 SUS 904L 904S13 STS 317J5L Z2 NCDU 25-20 X1NiCrMoCu25-20-5

 

Stainless Steel Welded Tube Tolerances
NPS Designator Permissible Variations in Outside Diameter
Over In. Under In.
1/8 to 1-1/2, incl 1/64 (0.015) 1/32 (0.031)
Over 1-1/2 to 4, incl 1/32 (0.031) 1/32 (0.031)
Over 4 to 8, incl 1/16 (0.062) 1/32 (0.031)
Over 8 to 18, incl 3/23 (0.093) 1/32 (0.031)

 

Nominal Wall Thickness of Welded Stainless Steel Tube
NPS Designator Outside Diameter in. Schedule 5S in. Schedule 10S in. Schedule 40S in. Schedule 80S in.
1/4 0.540 0.065 0.088 0.119
3/8 0.675 0.065 0.091 0.126
1/2 0.840 0.065 0.083 0.109 0.147
3/4 1.050 0.065 0.083 0.113 0.154
1.0 1.315 0.065 0.109 0.133 0.179
1 1/4 1.660 0.065 0.109 0.140 0.191
1 1/2 1.900 0.065 0.109 0.145 0.200
2 2.375 0.065 0.109 0.154 0.218
2 1/2 2.875 0.083 0.120 0.203 0.276
3 3.500 0.083 0.120 0.216 0.300
3 1/2 4.000 0.083 0.120 0.226 0.318
4 4.500 0.083 0.120 0.237 0.337
5 5.563 0.109 0.134 0.258 0.375
6 6.625 0.109 0.134 0.280 0.432
8 8.625 0.109 0.148 0.322 0.500
10 10.750 0.134 0.165 0.365 0.500
12 12.750 0.156 0.180 0.375 0.500
ANSI Pipe SCH5 to SCH40 Chart
Pipe Size O.D. Inches 5s TRUE 5 10s TRUE 10 20 30 40s & STD TRUE 40 60
1/8 0.405 0.35 0.049 0.049 0.068 0.068
0.1383 0.1863 0.1863 0.2447 0.2447
1/4 0.54 0.049 0.065 0.065 0.088 0.088
0.257 0.3297 0.3297 0.4248 0.4248
3/8 0.675 0.049 0.065 0.065 0.091 0.091
0.3276 0.4235 0.4235 0.5676 0.5676
1/2 0.84 0.065 0.065 0.083 0.083 0.109 0.109
0.5383 0.5383 0.671 0.671 0.851 0.851
3/4 1.05 0.065 0.065 0.083 0.083 0.113 0.113
0.6838 0.6838 0.8572 0.8572 1.131 1.131
1 1.315 0.065 0.065 0.109 0.19 0.133 0.133
0.8678 0.8678 1.404 1.404 1.679 1.679
1 1/4 1.66 0.065 0.065 0.109 0.109 0.14 0.14
1.107 1.107 1.806 1.806 2.273 2.273
1 1/2 1.9 0.065 0.065 0.109 0.109 0.145 0.145
1.274 1.274 2.638 2.638 2.718 2.718
2 2.375 0.065 0.065 0.109 0.109 0.154 0.154
1.604 1.604 2.638 2.638 3.653 3.653
2 1/2 2.875 0.083 0.083 0.12 0.12 0.203 0.203
2.475 2.475 3.531 3.531 5.793 5.793
3 3.5 0.083 0.083 0.12 0.12 0.216 0.216
3.029 3.029 4.332 4.332 7.576 7.576
3 1/2 4 0.083 0.083 0.12 0.12 0.226 0.226
3.472 3.472 4.97 4.97 9.109 9.109
4 4.5 0.083 0.083 0.12 0.12 0.237 0.237 0.281
3.915 3.915 5.613 5.613 10.79 10.79 12.66
4 1/2 5 0.247
12.53
5 5.563 0.109 0.109 0.134 0.134 0.258 0.258
6.349 6.349 7.77 7.77 14.62 14.62
6 6.625 0.109 0.109 0.134 0.134 0.28 0.28
7.585 7.585 9.289 9.289 18.97 18.97
7 7.625 0.301
23.57
8 8.625 0.109 0.109 0.148 0.148 0.25 0.277 0.322 0.322 0.406
9.914 9.914 13.4 13.4 22.36 24.7 28.55 28.55 35.64
9 9.625 0.342
33.9
10 10.75 0.134 0.134 0.165 0.165 0.25 0.307 0.365 0.365 0.5
15.19 15.19 18.65 18.65 28.04 34.24 40.48 40.48 54.74
11 11.75 0.375
45.55
12 12.75 0.156 0.165 0.18 0.18 0.25 0.33 0.375 0.406 0.562
21.07 22.18 24.2 24.2 33.38 43.77 49.56 53.53 73.16
14 14 0.156 0.188 0.25 0.312 0.375 0.375 0.437 0.593
23.06 27.73 36.71 45.68 54.57 54.57 63.67 84.91
16 16 0.165 0.188 0.25 0.312 0.375 0.375 0.5 0.656
27.9 31.75 42.05 52.36 62.58 62.58 82.77 107.5
18 18 0.165 0.188 0.25 0.312 0.437 0.375 0.562 0.75
31.43 35.76 47.39 59.03 82.06 70.59 104.8 138.2
20 20 0.188 0.218 0.25 0.375 0.5 0.375 0.593 0.812
39.78 46.05 52.73 78.6 104.1 78.6 122.9 166.4
24 24 0.218 0.25 0.25 0.375 0.562 0.375 0.687 0.968
55.37 63.41 63.41 94.62 140.8 94.62 171.2 238.1
26 26 0.312 0.5 0.375
85.6 136.2 102.6
28 28 0.312 0.5 0.625 0.375
92.26 146.8 182.7 110.6
30 30 0.25 0.312 0.312 0.5 0.625 0.375
79.43 98.93 98.93 157.5 196.1 118.6
32 32 0.312 0.5 0.625 0.375 0.688
105.6 168.2 209.4 126.7 230.1
34 34 0.312 0.5 0.625 0.375 0.688
112.3 178.9 222.8 134.7 244.8
36 36 0.312 0.625 0.375 0.75
118.9 236.1 142.7 282.3
40 40 0.375
158.7
42 42 0.375
166.7
48 48 0.375
190.7

 

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