|
Standard |
Grade |
Chemical Composition(%) (%) | ||||
|
C |
Mn |
Ti |
P |
S | ||
|
API 5L |
A25,C1 Ⅰ |
≤ 0.21 |
≤ 0.60 |
/ |
≤ 0.030 |
≤ 0.030 |
|
A25,C1 Ⅱ |
≤ 0.21 |
≤ 0.60 |
/ |
0.045 ～ 0.080 |
≤ 0.030 | |
|
A |
≤ 0.22 |
≤ 0.90 |
/ |
≤ 0.030 |
≤ 0.030 | |
|
B |
≤ 0.28 |
≤ 1.20 |
≤ 0.04 |
≤ 0.030 |
≤ 0.030 | |
|
X42 |
≤ 0.28 |
≤ 1.30 |
≤ 0.04 |
≤ 0.030 |
≤ 0.030 | |
|
X46,X52,X56 |
≤ 0.28 |
≤ 1.40 |
≤ 0.04 |
≤ 0.030 |
≤ 0.030 | |
|
X60 |
≤ 0.28 |
≤ 1.40 |
≤ 0.04 |
≤ 0.030 |
≤ 0.030 | |
|
X65,X70 |
≤ 0.28 |
≤ 1.40 |
≤ 0.06 |
≤ 0.030 |
≤ 0.030 | |
PSL2 Chemical Requirements for Meltiing and Product Analysis
|
Standard |
Grade |
Chemical Composition(%) (%) | ||||
|
C |
Mn |
Ti |
P |
S | ||
|
API 5L |
B |
≤ 0.24 |
≤ 1.20 |
≤ 0.04 |
≤ 0.025 |
≤ 0.015 |
|
X42 |
≤ 0.24 |
≤ 1.30 |
≤ 0.04 |
≤ 0.025 |
≤ 0.015 | |
|
X46,X52,X56,X60 |
≤ 0.24 |
≤ 1.40 |
≤ 0.04 |
≤ 0.025 |
≤ 0.015 | |
|
X65,X70,X80 |
≤ 0.24 |
≤ 1.40 |
≤ 0.06 |
≤ 0.025 |
≤ 0.015 | |
Mechanical Propertise
|
Standard |
Grade |
Yield Strength(Mpa) |
Tensile Strength( MPa ) |
Elongation(%) |
Impact Energy (J) | |||
|
API SPEC 5L |
PSL1 |
| ||||||
|
≥ | ||||||||
|
|
psi |
MPa |
psi |
MPa |
Min(%) | |||
|
A25 |
25,000 |
172 |
45,000 |
310 |
28～35 | |||
|
A |
30,000 |
207 |
48,000 |
331 |
26～33 | |||
|
B |
35,000 |
241 |
60,000 |
414 |
21～27 | |||
|
X42 |
42,000 |
290 |
60,000 |
414 |
21～27 | |||
|
X46 |
46,000 |
317 |
63,000 |
434 |
20～26 | |||
|
X52 |
52,000 |
359 |
66,000 |
455 |
20～24 | |||
|
X56 |
56,000 |
386 |
71,000 |
490 |
18～23 | |||
|
X60 |
60,000 |
414 |
75,000 |
517 |
18～22 | |||
|
X65 |
65,000 |
448 |
77,000 |
531 |
17～21 | |||
|
X70 |
70,000 |
483 |
82,000 |
565 |
16～20 | |||
Our enterprise professional manufacture steel tube in China. The annual outputs steel tube are about 200,000 Tons. The maximum length of the finished tubes is 25 Metre and the size range is OD (6-406) mm,WT (0.89-35)mm. The precision of part of the tubes can meet the level of (OD-0/+0.05)mm