Gold Member Since 2011
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Tianjin Xuboyuan Iron & Steel Trading Co., Ltd.

Welded Black Steel Pipe, Black Steel Pipe, Black Steel Tube manufacturer / supplier in China, offering Welded ERW Round Hollow Section, Dx51d Color Coated Roofing Steel Sheet and Sheet in Coils, Steel Beam in I Section and so on.

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Welded ERW Round Hollow Section

Purchase Qty.:
(Tons)
10-24 25+
FOB Unit Price: US $600 US $850
Purchase Qty. (Tons) FOB Unit Price
10-24 US $600
25+ US $850
Get Latest Price
Production Capacity: 5, 000 Metric Tons Per Month
Transport Package: Standard Export Sea-Worthy Packing
Payment Terms: L/C, T/T, Western Union, Cash
Basic Info
  • Model NO.: Q195, Q215, Q235, Q345, #10, #20, #45
  • Technique: Hot Rolled
  • Usage: Pipeline Transport
  • Thickness: 0.6-38mm
  • Trademark: XBY
  • Origin: Tianjin, China
  • Type: Welded
  • Surface Treatment: Non Galvanized
  • Section Shape: Round
  • Outer Diameter: 12.73 - 727 Mm
  • Specification: DIN, GB, ASTM, BS, GB, JIS, AISI
Product Description
Standard: BS 1387, BS EN 10297, JIS G3461-2005, GB/T 8162-1999, GB/T 9711.1-1997, GB/T 17396-1998, GB/T 13793-1992
Grade: 10#-45#, A53-A369, ST35-ST52, Q195-Q345
Thickness: 1.0 - 34 mm
Section Shape: Round
Outer Diameter: 12.73 - 727 mm
Place of Origin: Tianjin, China (Mainland)
Secondary Or Not: Non-secondary
Application: Fluid Pipe
Technique: ERW
Surface Treatment: Oiled
Alloy Or Not: Non-alloy
Length: 6m or as your requirement


Contact personLinda
Tel0086-18322363126
GRADE Machinery Properties Chemical Composition
Yield Strength Tensile Strength Rate Elongation C Si Mn S P
Mpa kg/mm2 Mpa kg/mm min  
Q215A 215 22 335-410 34-42 31 0.09-0.15 0.03 0.25-0.55 0.05 0.045
Q215B 0.045
Q235A 235 24 375-460 38-47 26 0.14-0.22 0.3 0.30-0.65 0.5 0.045
Q235B 0.12-0.2 0.30-0.70 0.45 0.045
Q235C ≤0.18 0.35-0.80 0.4 0.04
Q235D ≤0.17 0.35-0.80 0.035 0.035
16Mn(Q345B) 345 35 510-600 51.6 22 0.12-0.2 0.2-0.55 1.2-1.6 0.045 0.045
X42 289 29.5 413 42.1   0.28   1.25 0.03 0.03
X52 358 36.5 455 46.4   0.3   1.35 0.045 0.03
X56 386 39.4 489 49.9   0.26   1.35 0.03 0.03
X60 413 42.1 517 52.7   0.26   1.35 0.03 0.03
X65 448 45.7 530 54   0.26   1.4 0.03 0.03
X70 482 49.2 563 57.6   0.26   1.4 0.03 0.03
L245 245 415   21 0.26   1.15 0.03 0.03
L290 290 415   21 0.28   1.25 0.03 0.03
L360 360 460   19 0.3   1.25 0.03 0.03

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