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


SMLS Carbon Mo-Alloy Steel Tube

 Product Description

Art No: Seamless Carbon-Molybdenum Alloy-Steel Boiler and 
Superheater Tubes 
Thchnique: Cold-drawn | Carbon steel pipe |
Size: OD- 1/2-5" WT: 0.035-0.500in. 12.7-127*0.9*12.7mm 
Type: Cold-Drawn Seamless 
Delivery Condition: Anti-oxidation 
Application: Boiler and Superheater Tubes 
Standard: ASTM A450/A450M seamless carbon steel pipe
Grade of Steel: T1, Tla, Tlb 
Chemical Requiryments are as below:Oil pipeline | 

Element Composition, %
Grade T1 Grade Tla Grade T1b
C 0.10-0.20 0.15-0.25 0.14max
Mn 0.30-0.80 0.30-0.80 0.30-0.80
P(max) Welded steel Pipe | 0.025 0.025 0.025
S(max) 0.10-0.50 0.10-0.50 0.10-0.50
Mo 0.44-0.55 0.44-0.55 0.44-0.55







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