Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

Structural Steel Pipe

 

Structural steel pipe
Grade: 20#, Q195, Q235, A, B, X, 42, X46. etc
Cerificate: ISO 9001
Structural Steel Pipe
Thick.: 1mm up to 20mm
OD: 21.3 to 610mm (1/2-24 inch)
Executive Standard: API 5L, API 5CT, ASTM A53, ASTM A500, BS1387
Grade: Q195, Q235, Q345, A, B, X42, X46, PSL1
Packing: In hexagonal unitized bundles
Pipe treatment: Black paint, beveled or plain end with plastic cap, as your indication.
Application: Line pipe in oil and sewage transportation, in low pressure liquid and gassy transportation, for buildings and bridges.
 

1)We manufacture structure steel pipe 
2)Usage:greatly applied in building, machinery, transportation, airline, oil

We manufacture Structural Steel Pipe
Standards :GB/T8162-1999, ISO2937, ASTM A53, ASTM A106,JIS G 3441,BS EN 10210-1
composition (%):
Standard   Steel grade  C Si Mn P≤ S≤ Cu≤ Ni≤ Cr≤
GB/T 8162 10 0.07-0.14  0.17-0.37  0.35-0.65 0.035 0.035 0.25 0.25 0.15
20 0.17-0.24  0.17-0.37  0.35-0.65 0.035 0.035 0.25 0.25 0.25
35 0.32-0.39  0.17-0.37  0.50-0.80  0.035 0.035 0.25 0.25 0.25
45 0.42-0.50  0.17-0.37  0.50-0.80  0.035 0.035 0.25 0.3 0.25
16Mn 0.12-0.20  0.20-0.55  1.20-1.60  0.045 0.045 0.25 0.25 0.25
DIN 1629 St35 ≤0.18 0.15-0.35  0.35-0.65  0.035 0.035 0.25 0.25 0.25
St45 ≤0.25 0.15-0.35 0.50-0.80  0.035 0.035 0.25 0.25 0.25
St55 0.33-0.41  0.15-0.35 0.50-0.80  0.035 0.035 0.25 0.25 0.25
St52 ≤0.20 ≤0.55 ≤1.50 0.035 0.035 0.25 0.25 0.25
  CK45 0.42-0.50  0.17-0.37  0.50-0.80  0.035 0.035 0.25 0.25 0.25
ASTM A53 A ≤0.25 / ≤0.95 0.05 0.045 0.4 0.4 0.4
B ≤0.30 / ≤1.20, 0.05 0.045 0.4 0.4 0.4
/
ASTM A106 A ≤0.25 ≥0.10 0.27-0.93  0.035 0.035 0.4 0.4 0.4
B ≤0.30 ≥0.10 0.29-1.06  0.035 0.035 0.4 0.4 0.4
C ≤0.35 ≥0.10 0.29-1.06  0.035 0.035 0.4 0.4 0.4

Structure Steel Pipe