seamless steel pipe

Product Name: Seamless carbon steel pipe;



Material: 20# 45# Q345B;



Standard: ASTM A106/A53 Gr.B, API 5L Gr.B;



Technique: Cold drawn/Hot rolled;



Surface: Varnished and marked;



Ends: With caps and bevelled as required.



Chemical Component of Material 20# %

C: 0.17-0.24 Si: 0.17-0.37 Mn: 0.35-0.65 S: max 0.035

P: max 0.035 Cr: max 0.25 Ni: max 0.30 Cu: max 0.25



Chemical Component of Material 45# %

C: 0.42-0.50 Si: 0.17-0.37 Mn: 0.50-0.80 S: max 0.035

P: max 0.035 Cr: max 0.25 Ni: max 0.30 Cu: max 0.25




Chemical Component of Material Q345B %

C: max 0.20 Si: max 0.55 Mn: max 1.00-1.60 S: max 0.040

P: max 0.040 V: 0.02-0.15 Nb: 0.015-0.060 Ti: 0.02-0.20