api steel ppe: api 5l .api 5ct .

API PIPE - LINE

api pipe

 

I. API SPEC 5L

Specifications Ranges:
OD: 1/2"-48" (21.3mm-1219mm)
WT: SCH10-SCH80 (0.5mm-40mm)

Material Standard:
PSL 1: A25, A, B, X42, X46, X52, X56, X60, X65, X70
PSL 2: B, X42, X46, X52, X56, X60, X65, X70, X80

Applications:
For the purpose of transportation of gas,water,oill in oil&gas industry.


API 5CT OCTG
II. API SPEC 5CT (OCTG)

Specifications Ranges:
OD: 1.05"- 20" (26.67mm-508mm)
WT: (2.87mm-23mm)

Material Standard:
J55, K55, N80, L80, P110, Q125, ect
LTC, STC, BTC, VAM, EUE, NUE, ect

Applications:
Tubing is used in extracting petroleum & natural gas.
Casing pipe serves as wall of well.
 

 

Destructive & Non-Destructive Testing
Hydrostatic Testing-----  100% of pipe shall be tested at a pressure specified in above specification.
PSL-1 (NDT)  -----  Weld seam of each pipe shall be tested by online Eddy Current Test.
PSL-2 (NDT)  ------  Steel skelp and weld seam shall be tested by Ultrasonic Test (after hydro test)
1.Flattentig 1. Flatten upto 1/2 of OD (no crack in weld)
2.Flalten upto 1/3 of OD (no crack or breaks other than in weld)
3. Full Flattening (No Lamination or Burnt Metal)

Chemical composition of our API 5L line pipeee
 

Standard Product Specification Level Steel grade Chemical composition, %
C Mn P S Si V Nb Ti CEpcm
API 5L PSL 1 L210 or A ≤ 0.22 ≤ 0.90 ≤ 0.030 ≤ 0.030 - - - - ≤ 0.25
L245 or B ≤ 0.28 ≤ 1.20 ≤ 0.030 ≤ 0.030 - - - - ≤ 0.25
L290 or x42 ≤ 0.28 ≤ 1.30 ≤ 0.030 ≤ 0.030 - - - - ≤ 0.25
L320 or X46 ≤ 0.28 ≤ 1.40 ≤ 0.030 ≤ 0.030 - - - - ≤ 0.25
L360 or X52 ≤ 0.28 ≤ 1.40 ≤ 0.030 ≤ 0.030 - - - - ≤ 0.25
L390 or X56 ≤ 0.28 ≤ 1.40 ≤ 0.030 ≤ 0.030 - - - - ≤ 0.25
L415 or X60 ≤ 0.28 ≤ 1.40 ≤ 0.030 ≤ 0.030 - - - - ≤ 0.25
PSL 2 L245Ror BR ≤ 0.24 ≤ 1.20 ≤ 0.025 ≤ 0.015 ≤ 0.40 c c ≤ 0.04 ≤ 0.25
L290R or X42R ≤ 0.24 ≤ 1.20 ≤ 0.025 ≤ 0.015 ≤ 0.40 ≤ 0.06 ≤ 0.05 ≤ 0.04 ≤ 0.25
L245N or BN ≤ 0.24 ≤ 1.20 ≤ 0.025 ≤ 0.015 ≤ 0.40 c c ≤ 0.04 ≤ 0.25
L290N or X42N ≤ 0.24 ≤ 1.20 ≤ 0.025 ≤ 0.015 ≤ 0.40 ≤ 0.06 ≤ 0.05 ≤ 0.04 ≤ 0.25
L320N or X46N ≤ 0.24 ≤ 1.40 ≤ 0.025 ≤ 0.015 ≤ 0.40 ≤ 0.07 ≤ 0.05 ≤ 0.04 ≤ 0.25
L360N or X52N ≤ 0.24 ≤ 1.40 ≤0.025 ≤ 0.015 ≤ 0.45 ≤ 0.10 ≤ 0.05 ≤0.04 ≤0.25
L390N or X56N ≤ 0.24 ≤ 1.40 ≤ 0.025 ≤ 0.015 ≤ 0.45 ≤ 0.10 ≤ 0.05 ≤0.04 ≤ 0.25
L415N or X60N ≤ 0.24 ≤ 1.40 ≤ 0.025 ≤ 0.015 ≤ 0.45 ≤ 0.10 ≤ 0.05 ≤ 0.04 Negotiation
Note: The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06%. An alternative maximum may be established by mutual agreement between the purchaser and the manufacturer.

 

Yield strength and tensile strength of API 5L line pipe

 

Standard Product Specification Level Steel grade Yield Strength (min), Mpa Tensile Strength(min), Mpa
API 5L PSL 1 L210 or A 210 335
L245 or B 245 415
L290 or x42 290 415
L320 or X46 320 435
L360 or X52 360 460
L390 or X56 390 490
L415 or X60 415 520
PSL 2 L245Ror BR 245~450 415~760
L290R or X42R 290~495 415~760
L245N or BN 245~450 415~760
L290N or X42N 290~495 415~760
L320N or X46N 320~525 435~760
L360N or X52N 360~530 460~760
L390N or X56N 390~545 490~760
L415N or X60N 415~565 520~760
 

 


API PIPE

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