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  4. Stainless steel welded tube

Stainless steel welded tube

Name: Stainless Steel Welded tube

Kích cỡ: O.D.:15mm to 2220mm,W.T:0.5mm to 80mm

Material: TP304/L/H, TP316/L/H,TP317/L,TP321/H,TP347/H, 310/S, 904LandUNS S31803,UNS S32304.UNS S32750

Thickness range: 1mm to 20mm,SCH 5,SCH 10,SCH 40,SCH 80, SCH80S,SCH 160,SCH XXS

Surface Treatment: Pickling/Polished

Finished condition: Square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled,

Application: Chemical,Food and beverage,Marine,Mining,Oil and gas,Pharmaceutical,Petrochemical,

Power generation,Renewable energy.

Model number:

Orignal: Wenzhou,Zhejiang

Standrad:ASTM A312、ASTM A249、ASTM A213、ASTM A268、ASTM A269、ASTM A270、ASTM A778、ASTM A554

Brand: Kaixin

Technics: presselible

Package: Standard export package

Price: 1000~4500 usd/ton

Delivery: Accord Quantity

Certificate: ISO SGS BIS AS

Production ability: 1000tons/month

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  • Product Detail

Stainless steel welded tube is a type of tubing made from stainless steel that has been welded together at the seam. It is commonly used in applications where high strength, durability, and resistance to corrosion are required, such as in the construction of pressure vessels, heat exchangers, and piping systems.The manufacturing process for stainless steel welded tubes involves first forming a flat strip of stainless steel into a tube shape. The edges of the strip are then heated to a high temperature and fused together using an electric current or a high-energy beam. This process creates a strong, continuous seam along the length of the tube.

Stainless steel welded tube is available in a variety of sizes, wall thicknesses, and grades of stainless steel, including austenitic, ferritic, and duplex grades. The choice of grade and wall thickness will depend on the specific application and the required mechanical properties of the tubing.

Table of Content：

  1. Specification and Sizeof Stainless Steel Welded tube
  2. Applications of Stainless Steel Welded tube
  3. Types Of Stainless Steel Welded Tubes
  4. SS WELDED TUBING OD TOLERANCE & WALL THICKNESS TOLERANCE CHART
  5. Chemical Properties of Stainless Steel Welded tube
  6. Mechanical Properties of Stainless Steel Welded tube
  7. SS WELDED TUBE PRESSURE RATING

 

Specification and Size of Stainless Steel Welded tube

Available Specification

Product Name Executive Standard Dimension Steel Code / Steel Grade
Industrial Pipes ASTM A312, A358, A778

JIS G3459

 OD: 1/4″~40″

WT: SCH5S~SCH80S

 TP304, TP304L, TP316L, SUS304TP
Tubes for Boiler and Heat-Exchanger, General Service Tubing ASTM A249, A269, JIS G3463 OD: 15.9~139.8mm

WT: 1.6~5.0mm

 TP304, TP304L, TP316L, SUS304TB
Mechanical and Structural Tubes ASTM A554, JIS G3446 OD: 7.9~152.4mm

WT: 0.5~6.5mm

 MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD SUS304
Square Tubes ASTM A554 OD: 12.7×12.7~150x150mm

WT: 0.7~6.5mm

 MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD
Rectangular Tubes ASTM A554 OD: 10×20~100x200mm

WT: 0.7~6.5mm

 MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD
Sanitary Tubing ASTM A270

JIS G3447

 OD: 25.4~165.2mm

WT: 0.8~3.05mm

 TP304, TP304L, TP316L, SUS304TBS
Large Gauge Pipes for Ordinary Piping JIS G3448 OD: 15.88~318.5mm

WT: 0.8~3.0mm

 SUS304TPD
Large Diameter Pipes JIS G3468 OD: 14″~40″

WT: SCH5S~SCH40S

 SUS304TPY

 

 

Applications of Stainless Steel Welded tube

Stainless Steel Welded tube are being found in an extensive range of applications such as in Oil & Gas, Refinery, Petrochemical, Chemical, Fertilizer, Power, Automotive, Bearing, Mechanical & Structural applications.

Types Of Stainless Steel Welded Tubes

  • Stainless Steel Welded Tubes
  • SS Welded Tubes
  • Stainless Steel ERW Tubes
  • SS ERW Tubes
  • ASTM A249 Stainless Steel Welded Tubes
  • SS Welded Tubes Price in Bengaluru
  • ASTM A249 Stainless Steel Welded Tubing Suppliers in Thane
  • Stainless Steel Welded Tubes Stockist in Dahej
  • AISI SS Welded Tubes
  • SS Welded Tubing
  • ASME Stainless Steel ERW Tubes
  • SS ERW Tubing
  • AISI Stainless Steel Welded Tubes
  • SS Welded Tubes Suppliers in Ankleshwar
  • Stainless Steel ERW Tubing Stockholder in Pune
  • Stainless Steel Welded Tubes Manufacturer in Hyderabad

SS WELDED TUBING OD TOLERANCE & WALL THICKNESS TOLERANCE CHART

Stainless Steel Welded Tube OD Tolerance
NPS + –
inch mm inch mm
1/8~1 1 /2

> 1 1 /2~4

> 4~8

> 8~18

> 18~26

> 26~34

> 34~48

 1/64(0.015)

1/32(0.031)

1/16(0.062)

3/32(0.093)

1/8(0.125)

5/32(0.156)

3/16(0.187)

 0.4

0.8

1.6

2.4

3.2

4.0

4.8

 1/32(0.031)

1/32(0.031)

1/32(0.031)

1/32(0.031)

1/32(0.031)

1/32(0.031)

1/32(0.031)

 0.8

0.8

0.8

0.8

0.8

0.8

0.8

 

NPS Stainless Steel Tube Wall Thickness Tolerance, %
+ –
1/8-2 1 /2 20.0 12.5
3~18, t/D≤ 5% 22.5 12.5
3~18, t/D> 5% 15.0 12.5
≥ 20, welded 17.5 12.5
≥ 20, seamless, t/D≤ 5% 22.5 12.5
≥ 20, seamless, t/D> 5% 15.0 12.5

Chemical Properties of Stainless Steel Welded tube

Chemical Composition (For Reference)

JIS Specification

Spec.JISG4303,G4304,G4305,G4312

Steel Grade C% Max. Si% Max. Mn% Max. P% Max. S% Max. Cr% Max. Ni% Max. Mo% Max. Ti% Max. Other
SUS 201 0.15 1.0 5.5~7.5 0.06 0.03 16.0~18.0 3.5~5.5 – – N:0.25
SUS 202 0.15 1.0 7.5~10.0 0.06 0.03 17.0~19.0 4.0~6.0 – – N:0.25
SUS 304 0.08 1.0 2.0 0.045 0.03 18.0~20.0 8.0~10.5 – – –
SUS 304L 0.03 1.0 2.0 0.045 0.03 18.0~20.0 9.0~13.0 – – Cu:1.0~3.0
SUS 316L 0.03 1.0 2.0 0.045 0.03 16.0~18.0 12.0~15.0 2.0~3.0 – –
SUS 430 0.12 0.75 1.0 0.04 0.03 16.0~18.0 – – – –

Mechanical Properties of Stainless Steel Welded tube

Mechanical Property (For Reference)

JIS Specification

Spec.JISG4303,G4304,G4305,G4312

Steel Grade N/mm 2 MIN.

Tensile Stress

 N/mm 2 MIN.

Proof Stress

 Elongation MIN. HRB MAX. Hardness Bendability:Bending Angle Bendability:Inside Radius
SUS 201 520 275 40 100 No Require –
SUS 202 520 275 40 95 No Require –
SUS 304 520 205 40 90 No Require –
SUS 304L 480 175 40 90 No Require –
SUS 316L 480 175 40 90 No Require –
SUS 430 450 205 22 88 180° 1.0 time the thickness

SS WELDED TUBE PRESSURE RATING

 

OD inches Ave. Wall inches Min Yield Strength (PSI) Min Tensile Strength (PSI) Theoretical Burst Pressure * (PSI) Working Pressure (PSI) 25% of Burst Theoretical Yield Point ** (PSI) Collapse Pressure *** (PSI)
0.250 0.020 30,000 75,000 14,286 3,571 5,714 4,416
0.250 0.028 30,000 75,000 21,649 5,412 8,660 5,967
0.250 0.035 30,000 75,000 29,167 7,292 11,667 7,224
0.250 0.049 30,000 75,000 48,355 12,089 19,342 9,455
0.250 0.065 30,000 75,000 81,250 20,313 32,500 11,544
0.375 0.020 30,000 75,000 8,955 2,239 3,582 3,029
0.375 0.028 30,000 75,000 13,166 3,292 5,266 4,145
0.375 0.035 30,000 75,000 17,213 4,303 6,885 5,077
0.375 0.049 30,000 75,000 26,534 6,634 10,614 6,816
0.375 0.065 30,000 75,000 39,796 9,949 15,918 8,597
0.500 0.020 30,000 75,000 6,522 1,630 2,609 2,304L
0.500 0.028 30,000 75,000 9,459 2,365 3,784 3,172
0.500 0.035 30,000 75,000 12,209 3,052 4,884 3,906
0.500 0.049 30,000 75,000 18,284 4,571 7,313 5,304L
0.500 0.065 30,000 75,000 26,351 6,588 10,541 6,786
0.500 0.083 30,000 75,000 37,275 9,319 14,910 8,307
0.625 0.020 30,000 75,000 5,128 1,282 2,051 1,859
0.625 0.028 30,000 75,000 7,381 1,845 2,953 2,568
0.625 0.035 30,000 75,000 9,459 2,365 3,784 3,172
0.625 0.049 30,000 75,000 13,947 3,487 5,579 4,335
0.625 0.065 30,000 75,000 19,697 4,924 7,879 5,591
0.625 0.083 30,000 75,000 27,124 6,781 10,850 6,910
0.625 0.095 30,000 75,000 32,759 8,190 13,103 7,734
0.625 0.109 30,000 75,000 40,172 10,043 16,069 8,639
0.750 0.028 30,000 75,000 6,052 1,513 2,421 2,156
0.750 0.035 30,000 75,000 7,721 1,930 3,088 2,669
0.750 0.049 30,000 75,000 11,273 2,818 4,509 3,664
0.750 0.065 30,000 75,000 15,726 3,931 6,290 4,749
0.750 0.083 30,000 75,000 21,318 5,330 8,527 5,905
0.750 0.095 30,000 75,000 25,446 6,362 10,179 6,637
0.750 0.109 30,000 75,000 30,733 7,683 12,293 7,453
0.750 0.120 30,000 75,000 35,294 8,824 14,118 8,064
0.875 0.020 30,000 75,000 3,593 898 1,437 1,340
0.875 0.028 30,000 75,000 5,128 1,282 2,051 1,859
0.875 0.035 30,000 75,000 6,522 1,630 2,609 2,304L
0.875 0.049 30,000 75,000 9,459 2,365 3,784 3,172
0.875 0.065 30,000 75,000 13,087 3,272 5,235 4,126
0.875 0.083 30,000 75,000 17,560 4,390 7,024 5,152
0.875 0.095 30,000 75,000 20,803 5,201 8,321 5,807
0.875 0.109 30,000 75,000 24,886 6,221 9,954 6,543
0.875 0.120 30,000 75,000 28,346 7,087 11,339 7,100
1.000 0.028 30,000 75,000 4,449 1,112 1,780 1,633
1.000 0.035 30,000 75,000 5,645 1,411 2,258 2,027
1.000 0.049 30,000 75,000 8,149 2,037 3,259 2,796
1.000 0.065 30,000 75,000 11,207 2,802 4,483 3,647
1.000 0.083 30,000 75,000 14,928 3,732 5,971 4,567
1.000 0.095 30,000 75,000 17,593 4,398 7,037 5,159
1.000 0.109 30,000 75,000 20,908 5,227 8,363 5,827
1.000 0.120 30,000 75,000 23,684 5,921 9,474 6,336
1.000 0.134 30,000 75,000 27,459 6,865 10,984 6,963
1.250 0.035 30,000 75,000 4,449 1,112 1,780 1,633
1.250 0.049 30,000 75,000 6,380 1,595 2,552 2,260
1.250 0.065 30,000 75,000 8,705 2,176 3,482 2,958
1.250 0.083 30,000 75,000 11,485 2,871 4,594 3,719
1.250 0.095 30,000 75,000 13,443 3,361 5,377 4,213
1.250 0.109 30,000 75,000 15,843 3,961 6,337 4,776
1.250 0.120 30,000 75,000 17,822 4,455 7,129 5,207
1.250 0.134 30,000 75,000 20,468 5,117 8,187 5,742
1.500 0.035 30,000 75,000 3,671 918 1,469 1,367
1.500 0.049 30,000 75,000 5,243 1,311 2,097 1,896
1.500 0.065 30,000 75,000 7,117 1,779 2,847 2,487
1.500 0.083 30,000 75,000 9,333 2,333 3,733 3,136
1.500 0.095 30,000 75,000 10,878 2,719 4,351 3,559
1.500 0.109 30,000 75,000 12,754 3,188 5,101 4,043
1.500 0.120 30,000 75,000 14,286 3,571 5,714 4,416
1.500 0.134 30,000 75,000 16,315 4,079 6,526 4,881
1.500 0.148 30,000 75,000 18,439 4,610 7,375 5,336
1.750 0.035 30,000 75,000 3,125 781 1,250 1,176
1.750 0.049 30,000 75,000 3,864 966 1,546 1,434
1.750 0.065 30,000 75,000 6,019 1,505 2,407 2,146
1.750 0.083 30,000 75,000 7,860 1,965 3,144 2,711
1.750 0.095 30,000 75,000 9,135 2,284 3,654 3,080
1.750 0.109 30,000 75,000 10,672 2,668 4,213 3,504
1.750 0.120 30,000 75,000 11,921 2,980 4,768 3,832
1.750 0.134 30,000 75,000 13,563 3,391 5,425 4,242
1.750 0.148 30,000 75,000 15,268 3,817 6,107 4,645
1.750 0.165 30,000 75,000 17,430 4,357 6,972 5,124
2.000 0.035 30,000 75,000 2,720 680 1,088 1,032
2.000 0.049 30,000 75,000 3,864 966 1,546 1,434
2.000 0.065 30,000 75,000 5,214 1,303 2,086 1,887
2.000 0.083 30,000 75,000 6,788 1,697 2,715 2,387
2.000 0.095 30,000 75,000 7,873 1,968 3,149 2,715
2.000 0.109 30,000 75,000 9,175 2,294 3,670 3,092
2.000 0.120 30,000 75,000 10,227 2,557 4,091 3,384
2.000 0.134 30,000 75,000 11,605 2,901 4,642 3,751
2.000 0.148 30,000 75,000 13,028 3,257 5,211 4,111
2.000 0.165 30,000 75,000 14,820 3,705 5,928 4,542

 

 

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