Longtaidi Welded steel pipe products are : Spiral steel pipe, ERW pipe, SSAW pipe ,DSAW pipe ,LASW steel pipe.
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Welded pipe

Welded pipe

ERW WELDED PIPE

API 5L, API 5CT, ASTM A53 Grade A/B, BS1387, FROM 11/2" TO 10" ERW STEEL PIPES
Features: 1) Type: API 5L, API 5CT, ASTM A53 Grade A/B, BS1387pipes
2) Outer diameter: 33.4 - 273mm
3) Wall thickness: 2~12mm
4) Length: 6M~12M
LSAW pipe

1.Product description: LSAW steel pipe
Product range: 114-1524mm×4.5-52mm

Main Standard: API 5L, API 5CT, ASTM A53, GB/T 3091, BS&JIS&DIN

Material: X70, X65, X60, X42,GR.B, J55, K55, Q345, Q235, Q195, 20#, 10#, S235JRH, S275JOH, S355JOH
Certificate: API 5L & 5CT, ISO 9001

DSAW pipe

2.Product description: SSAW steel pipe
Product range: 219mm -2540mm×5.5-25.4mm

Main Standard: API 5L, API 5CT, ASTM A53, GB/T 3091, BS&JIS&DIN

Material: X70, X65, X60, X42,GR.B, J55, K55, Q345, Q235, Q195, 20#, 10#, S235JRH, S275JOH, S355JOH
Certificate: API 5L & 5CT, ISO 9001

 spiral welded coating pipe

 3.Specification description:

Length: 5.8m / 6m / 11.8m / 12 or as per customer’s requirement

Coating: Black painting / Vanish painting / 1PE/ 3PE/ FBE coated

Marking: According to standard or according the client's requirement

Packing: In bundles or Loose

Shipping:15days for stock and 30-60days for new products

Main Market: South America / North America / Europe / Middle East / East-south Asia

 

welded pipe

OD 219mm--2032mm
WT 6mm--18mm
LENGTH 6M   12M
PACKING  AS PER CUSTOMER REQUIRE

Steel Grade CHEMICAL COMPOSITION
C Mn P S V Nb Ti
max max min max max max max max
 
Weld Pipe
L175 or A25 0.21 0.6   0.03 0.03      
L175P or A25P 0.21 0.6 0.045 0.08 0.03      
L210 or A 0.22 0.9   0.03 0.03      
L245 or B 0.26 1.2   0.03 0.03 c.d c,d d
L290 or X42 0.26 1.3   0.03 0.03 d d d
L320 or X46 0.26 1.4   0.03 0.03 d d d
L360 or X52 0.26 1.4   0.03 0.03 d d d
L390 or X56 0.26 1.4   0.03 0.03 d d d
L415 or X60 0.26 1.4   0.03 0.03 f f f
L450 or X65 0.26 1.45   0.03 0.03 f f f
L485 or X70 0.26 1.65   0.03 0.03 f f f
                 
Steel Grade MECHANICAL    
YIELD STRENGTH TENSILE STRENGTH ELONGATION    
Mpa  Min Mpa  Min % Min    
L175 or A25 175(25400) 310(45000) C    
L175P or A25P 175(25401) 310(45000) C    
L210 or A 210(30500) 335(48600) C    
L245 or B 245(35500) 415(60200) C    
L290 or X42 290(42100) 415(60200) C    
L320 or X46 320(46400) 435(63100) C    
L360 or X52 360(52200) 460(66700) C    
L390 or X56 390(56600) 490(71100) C    
L415 or X60 415(60200) 520(75400) C    
L450 or X65 450(65300) 535(77600) C    
L485 or X70 485(70300) 570(82700) C

 

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