L80-9Cr

1. Standard

API Standard:API 5CT

2. Chemical Composition

Elements C Mn P S Si Cr Mo Ni Cu
Min 0 0.30       8.00 0.90    
Max 0.15 0.60 0.020 0.010 1.00 10.0 1.10 0.50 0.25
Actual value 0.10 0.45 0.008 0.0020 0.45 8.7 0.98 0.096 0.028

3. Mechanical Properties

Mechanical Properties Tensile Strength
MPa
Yield Strength
MPa
Hardness
HBW/HRC
0℃,Transverse Impact
J 10×10×55
Elongation
%
Min 655 552 18 27 17
Max   655 22    
Actual value 705 604 18.4 102 26

4. Typical Size

Size Outside Diameter
mm
Permissible Variations
in Outside Diameter
mm
Wall Thicknessmm Average Wall Permissible
Variations in Wall Thickness
116.84*27.94 116.84 -0.5%,+1.0%OD 27.94 ±8%S
 
Note:Standard requirements range:OD:±1.0%OD,WT:±8%S

5. Typical Application Environment

This metal material is used in the petroleum and natural gas industry, such as tubing, casing, couplings, etc.


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