1.Standard: API 5L,GB/T9711
2.Grade: B,X42,X52,X60,X65,X70,L245,L290,320,L360,L390,L450,L485
3.Specification: 60-630*1.5-40mm
4.Description Chemical Composition
Grade | C | Si | Mn | P | S | V | Nb | Ti |
B | ≤0.16 | ≤0.40 | ≤1.10 | ≤0.020 | ≤0.010 | - | - | - |
X42 | ≤0.17 | ≤0.40 | ≤1.20 | ≤0.020 | ≤0.010 | ≤0.05 | ≤0.05 | ≤0.04 |
X52 | ≤0.20 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.10 | ≤0.05 | ≤0.04 |
X60 | ≤0.21 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.15 | ≤0.05 | ≤0.04 |
X65 | ≤0.16 | ≤0.45 | ≤1.60 | ≤0.020 | ≤0.010 | ≤0.06 | ≤0.05 | ≤0.06 |
X70 | ≤0.16 | ≤0.45 | ≤1.70 | ≤0.020 | ≤0.010 | ≤0.06 | ≤0.05 | ≤0.06 |
Mechanical Properties
Grade | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation (%) |
B | ≥415 | 245~440 | ≤0.80 |
X42 | ≥415 | 290~440 | ≤0.80 |
X52 | ≥460 | 360~510 | ≤0.85 |
X60 | ≥520 | 415~565 | ≤0.85 |
X65 | ≥535 | 450~570 | ≤0.90 |
X70 | ≥570 | 485~605 | ≤0.90 |
5.Application: Seamless steel tube used for transportation of petroleum, gas, water and oil
6.Package: export standard packing or as per the requirements of buyers
7.Terms of Payment:30% T/T in advance and the balance against B/L copy
8.Delivery Time: within 20 days after your down payment.
