API 5L Seamless Steel Pipes X52 X50 X65
1. Product Introduction
API 5L steel pipe is a specification defined by the American Petroleum Institute (API) for seamless and welded steel line pipes used in the transportation of gas, water, and oil in the petroleum and natural gas industries. It is one of the most widely used standards in the oil and gas sector, ensuring high-quality pipes that meet stringent requirements for strength, durability, and performance. Contact us, and get more details!
2.Features of API Seamless Steel Pipe
Superior Strength and Durability: Manufactured using high-quality steel and advanced seamless manufacturing processes, API Seamless Steel Pipe exhibits exceptional strength and durability, making it ideal for withstanding high pressures and extreme conditions encountered in oil and gas exploration and transportation.
Excellent Resistance to Corrosion and Cracking: API Seamless Steel Pipe is designed to resist corrosion and cracking, ensuring long-lasting performance even in challenging environments with exposure to corrosive elements and high stresses.
Precise Dimensions and Tolerances: API Seamless Steel Pipe adheres to strict dimensional tolerances, ensuring compatibility with other components and facilitating seamless integration into pipelines and other systems.
Wide Range of Grades and Specifications: API Seamless Steel Pipe is available in various grades and specifications, including API 5L (Line Pipe), API 5CT (Casing and Tubing), and API 5DP (Drill Pipe), catering to diverse application requirements within the oil and gas industry.
4. Packaging and Shipping
Standard export packing. The modes of transportation include containerized sea freight, bulk sea freight, air freight, land transportation, and multi-modal transportation.
5. Q&A
Q: Are you a manufacturer?
Answer: Yes, we are an integrated industrial and trading company.
Q: What is your minimum order quantity?
A: The minimum order quantity varies according to the size and quantity of the products.
Q: Do you provide samples?
A: Yes, we provide samples and the shipping cost is borne by the customer.
Q: How do you ensure quality control?
A: We provide factory testing certification for each batch of goods and provide third-party inspection. In addition, we have ISO, CE, SGS, TUV and other certifications.
Q: What are the advantages of your company?
Answer: Our company has a team of skilled professionals and technical experts, providing more competitive prices and quality after-sales services compared to other steel companies.
Q: How many countries have you exported to?
Answer: We have exported to more than 50 countries, including the United States, Canada, Germany, the United Kingdom, Ireland, Sweden, Saudi Arabia, Cameroon, Tanzania, Singapore, South Korea, Mexico, etc.
Tolerances of carbon seamless steel pipe
|
Pipe types |
Pipe sizes(mm) |
Tolerances |
|
Hot rolled |
OD<50 |
±0.50mm |
|
|
OD≥50 |
±1% |
|
|
WT<4 |
±12.5% |
|
|
WT 4～20 |
+15%, -12.5% |
|
|
WT>20 |
±12.5% |
|
Cold drawn |
OD 6～10 |
±0.20mm |
|
|
OD 10～30 |
±0.40mm |
|
|
OD 30～50 |
±0.45 |
|
|
OD>50 |
±1% |
|
|
WT≤1 |
±0.15mm |
|
|
WT 1～3 |
+15%, -10% |
|
|
WT >3 |
+12.5%, -10% |
|
NOMINAL PIPE SIZE |
OD(mm) |
||||||||||||||
|
DN |
NB(inch) |
ASME |
SCH10 |
SCH20 |
SCH30 |
STD |
SCH40 |
SCH60 |
XS |
SCH80 |
SCH100 |
SCH120 |
SCH140 |
SCH160 |
XXS |
|
15 |
1/2" |
21.3 |
2.11 |
|
2.41 |
2.77 |
2.77 |
|
3.73 |
3.73 |
|
|
|
4.78 |
7.47 |
|
20 |
3/4" |
26.7 |
2.11 |
|
2.41 |
2.87 |
2.87 |
|
3.91 |
3.91 |
|
|
|
5.56 |
7.82 |
|
25 |
1" |
33.4 |
2.77 |
|
2.9 |
3.38 |
3.38 |
|
4.55 |
4.55 |
|
|
|
6.35 |
9.09 |
|
32 |
1.1/4" |
42.2 |
2.77 |
|
2.97 |
3.56 |
3.56 |
|
4.85 |
4.85 |
|
|
|
6.35 |
9.7 |
|
40 |
1.1/2" |
48.3 |
2.77 |
|
3.18 |
3.68 |
3.68 |
|
5.08 |
5.08 |
|
|
|
7.14 |
10.15 |
|
50 |
2" |
60.3 |
2.77 |
|
3.18 |
3.91 |
3.91 |
|
5.54 |
5.54 |
|
|
|
8.74 |
11.07 |
|
65 |
2.1/2" |
73 |
3.05 |
|
4.78 |
5.16 |
5.16 |
|
7.01 |
7.01 |
|
|
|
9.53 |
14.02 |
|
80 |
3" |
88.9 |
3.05 |
|
4.78 |
5.49 |
5.49 |
|
7.62 |
7.62 |
|
|
|
11.13 |
15.25 |
|
90 |
3.1/2" |
101.6 |
3.05 |
|
4.78 |
5.74 |
5.74 |
|
8.08 |
8.08 |
|
|
|
|
|
|
100 |
4" |
114.3 |
3.05 |
|
4.78 |
6.02 |
6.02 |
|
8.56 |
8.56 |
|
11.13 |
|
13.49 |
17.12 |
|
125 |
5" |
141.3 |
3.4 |
|
|
6.55 |
6.55 |
|
9.53 |
9.53 |
|
12.7 |
|
15.88 |
19.05 |
|
150 |
6" |
168.3 |
3.4 |
|
|
7.11 |
7.11 |
|
10.97 |
10.97 |
|
14.27 |
|
18.26 |
21.95 |
|
200 |
8" |
219.1 |
3.76 |
6.35 |
7.04 |
8.18 |
8.18 |
10.31 |
12.7 |
12.7 |
15.09 |
18.26 |
20.62 |
23.01 |
22.23 |
|
250 |
10" |
273 |
4.19 |
6.35 |
7.8 |
9.27 |
9.27 |
12.7 |
12.7 |
15.09 |
18.26 |
21.44 |
25.4 |
28.58 |
25.4 |
|
300 |
12" |
323.8 |
4.57 |
6.35 |
8.38 |
9.53 |
10.31 |
14.27 |
12.7 |
17.48 |
21.44 |
25.4 |
28.58 |
33.32 |
25.4 |
|
350 |
14" |
355.6 |
6.35 |
7.92 |
9.53 |
9.53 |
11.13 |
15.09 |
12.7 |
19.05 |
23.83 |
27.79 |
31.75 |
35.71 |
|
|
400 |
16" |
406.4 |
6.35 |
7.92 |
9.53 |
9.53 |
12.7 |
16.66 |
12.7 |
21.44 |
26.19 |
30.96 |
36.53 |
40.19 |
|
|
450 |
18" |
457.2 |
6.35 |
7.92 |
11.13 |
9.53 |
14.27 |
19.05 |
12.7 |
23.83 |
39.36 |
34.93 |
39.67 |
45.24 |
|
|
500 |
20" |
508 |
6.35 |
9.53 |
12.7 |
9.53 |
15.09 |
20.62 |
12.7 |
26.19 |
32.54 |
38.1 |
44.45 |
50.01 |
|
|
550 |
22" |
558.8 |
6.35 |
9.53 |
12.7 |
9.53 |
|
22.23 |
12.7 |
28.58 |
34.93 |
41.28 |
47.63 |
53.98 |
|
|
600 |
24" |
609.6 |
6.35 |
9.53 |
14.27 |
9.53 |
17.48 |
24.61 |
12.7 |
30.96 |
38.89 |
46.02 |
52.37 |
59.54 |
|
|
650 |
26" |
660.4 |
7.92 |
12.7 |
|
9.53 |
|
|
12.7 |
|
|
|
|
|
|
|
700 |
28" |
711.2 |
7.92 |
12.7 |
15.88 |
9.53 |
|
|
12.7 |
|
|
|
|
|
|
|
750 |
30" |
762 |
7.92 |
12.7 |
15.88 |
9.53 |
|
|
12.7 |
|
|
|
|
|
|
|
800 |
32" |
812.8 |
7.92 |
12.7 |
15.88 |
9.53 |
17.48 |
|
12.7 |
|
|
|
|
|
|
|
850 |
34" |
863.6 |
7.92 |
12.7 |
15.88 |
9.53 |
17.48 |
|
12.7 |
|
|
|
|
|
|
|
900 |
36" |
914.4 |
7.92 |
12.7 |
15.88 |
9.53 |
19.05 |
|
12.7 |
|
|
|
|
|
|
Chemical Composition and Mechanical Properties
|
Standard |
Grade |
Chemical Components (%) |
Mechanical Properties |
|||||
|
|
|
C |
Si |
Mn |
P |
S |
Tensile STrength(Mpa) |
Yield STrength(Mpa) |
|
ASTM A53 |
A |
≤0.25 |
- |
≤0.95 |
≤0.05 |
≤0.06 |
≥330 |
≥205 |
|
|
B |
≤0.30 |
- |
≤1.2 |
≤0.05 |
≤0.06 |
≥415 |
≥240 |
|
ASTM A106 |
A |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≥415 |
≥240 |
|
|
B |
≤0.35 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≥485 |
≥275 |
|
ASTM A500 |
A |
≤0.26 |
- |
≤1.35 |
≤0.035 |
≤0.035 |
≥310 |
≥230 |
|
|
B |
≤0.30 |
- |
≤1.40 |
≤0.045 |
≤0.045 |
≥400 |
≥290 |
|
|
C |
≤0.23 |
- |
≤1.35 |
≤0.035 |
≤0.035 |
≥425 |
≥315 |
|
|
D |
≤0.27 |
- |
≤1.40 |
≤0.045 |
≤0.045 |
≥400 |
≥250 |
Katherine A. Fogg
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