BRISK STEEL FOCUS ON PRODUCE AND SUPPLY HOLLOW SECTION AND STEEL PIPE
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About UsBrisk Steel Group is a leading manufacturer and distributor of steel structures, steel tubes and pipes in diverse fields such as infrastructure and construction industry, machinery industry, new energy projects ect.
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ProductsIt is a large steel structural company from design, manufacturing to erection with the certificate of First Grade Qualification of Professional Contracting of Steel Structure.we are dedicated to manufacturing square, rectangular, circular hollow sections,weld steel pipe,GI pipe and LSAW Pipe for bridge and steel structural products like warehouse, automated parking system, electricity tower and ect. to satisfy customers' needs for different products.
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BLOGCustomers choose and trust us not only because of our stable quality but also pre-sales service and post-sales service along with the products. Each of our employee dealing with clients is a product expert, who will answer clients' questions professionally with great patience and provide clients with excellent customized solutions based on each client's requirement.
Add：Daqiuzhuang Industrial Area,Jinghai County,Tianjin,China
Tel：08618322290777
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API 5L Seamless Carbon Steel Pipe
- Commodity name： API 5L Seamless Carbon Steel Pipe
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Details
- 产品描述
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Product Introduction
- Product name: API 5L Seamless Carbon Steel Pipe / API 5L SMLS Carbon Steel Pipe / API 5L Seamless Steel Pipes
- Types: Covers both seamless (SMLS) and welded (ERW, SAW) pipes.
- OD: Seamless from 2 NPS to 36″
- Applications: Used for onshore, offshore, and sour service (containing H2S), with specific annexes in the standard addressing these.
- Port of loading:Tianjin xingang port of China.
- Purpose: Specifies steel line pipe for petroleum and natural gas pipelines.
- Brand:Tianjin Brisk Metalwork Co.,Ltd
PRODUCTION
Brisk Metalwork Co.,Ltd focus on produce and supply hollow section and steel pipe
Delivery Condition
PSL Delivery Condition Pipe grade PSL1 As-rolled, normalized, normalizing formed A As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, n
ormalized, normalized and tempered or if agreed Q&T SMLS onlyB As-rolled, normalizing rolled, thermomechanical rolled, thermo-mechanical formed, normalizing formed, normalized, normalized and tempered X42, X46, X52, X56, X60, X65, X70 PSL 2 As-rolled BR, X42R Normalizing rolled, normalizing formed, normalized or normalized and tempered BN, X42N, X46N, X52N, X56N, X60N Quenched and tempered BQ, X42Q, X46Q, X56Q, X60Q, X65Q, X70Q, X80Q, X90Q, X100Q Thermomechanical rolled or thermomechanical formed BM, X42M, X46M, X56M, X60M, X65M, X70M, X80M Thermomechanical rolled X90M, X100M, X120M The suffice (R, N, Q or M) for PSL2 grades, belongs to the steel grade chemical composition
Chemical Composition for PSL 1 pipe with t ≤ 0.984” Steel Grade Mass fraction, % based on heat and product analyses a,g C Mn P S V Nb Ti max b max b max max max max max Seamless Pipe
A 0.22 0.9 0.03 0.03 – – – B 0.28 1.2 0.03 0.03 c,d c,d d X42 0.28 1.3 0.03 0.03 d d d X46 0.28 1.4 0.03 0.03 d d d X52 0.28 1.4 0.03 0.03 d d d X56 0.28 1.4 0.03 0.03 d d d X60 0.28 e 1.40 e 0.03 0.03 f f f X65 0.28 e 1.40 e 0.03 0.03 f f f X70 0.28 e 1.40 e 0.03 0.03 f f f a. Cu ≤ = 0.50% Ni; ≤ 0.50%; Cr ≤ 0.50%; and Mo ≤ 0.15%, b. For each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for Mn is permissible, up to a maximum of 1.65% for grades ≥ L245 or B, but ≤ L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70., c. Unless otherwise agreed NB + V ≤ 0.06%, d. Nb + V + TI ≤ 0.15%, e. Unless otherwise agreed., f. Unless otherwise agreed, NB + V = Ti ≤ 0.15%, g. No deliberate addition of B is permitted and the residual B ≤ 0.001% Chemical Composition for PSL 2 pipe with t ≤ 0.984” Steel Grade Mass fraction, % based on heat and product analyses Carbon Equiv a C Si Mn P S V Nb Ti Other CE IIW CE Pcm max b max max b max max max max max max max Seamless and Welded Pipe
BR 0.24 0.4 1.2 0.025 0.015 c c 0.04 e,l 0.43 0.25 X42R 0.24 0.4 1.2 0.025 0.015 0.06 0.05 0.04 e,l 0.43 0.25 BN 0.24 0.4 1.2 0.025 0.015 c c 0.04 e,l 0.43 0.25 X42N 0.24 0.4 1.2 0.025 0.015 0.06 0.05 0.04 e,l 0.43 0.25 X46N 0.24 0.4 1.4 0.025 0.015 0.07 0.05 0.04 d,e,l 0.43 0.25 X52N 0.24 0.45 1.4 0.025 0.015 0.1 0.05 0.04 d,e,l 0.43 0.25 X56N 0.24 0.45 1.4 0.025 0.015 0.10f 0.05 0.04 d,e,l 0.43 0.25 X60N 0.24f 0.45f 1.40f 0.025 0.015 0.10f 0.05f 0.04f g,h,l As agreed BQ 0.18 0.45 1.4 0.025 0.015 0.05 0.05 0.04 e,l 0.43 0.25 X42Q 0.18 0.45 1.4 0.025 0.015 0.05 0.05 0.04 e,l 0.43 0.25 X46Q 0.18 0.45 1.4 0.025 0.015 0.05 0.05 0.04 e,l 0.43 0.25 X52Q 0.18 0.45 1.5 0.025 0.015 0.05 0.05 0.04 e,l 0.43 0.25 X56Q 0.18 0.45f 1.5 0.025 0.015 0.07 0.05 0.04 e,l 0.43 0.25 X60Q 0.18f 0.45f 1.70f 0.025 0.015 g g g h,l 0.43 0.25 X65Q 0.18f 0.45f 1.70f 0.025 0.015 g g g h,l 0.43 0.25 X70Q 0.18f 0.45f 1.80f 0.025 0.015 g g g h,l 0.43 0.25 X80Q 0.18f 0.45f 1.90f 0.025 0.015 g g g i,j As agreed X90Q 0.16f 0.45f 1.9 0.02 0.01 g g g j,k As agreed X100Q 0.16f 0.45f 1.9 0.02 0.01 g g g j,k As agreed a. SMLS t>0.787”, CE limits shall be as agreed. The CEIIW limits applied fi C > 0.12% and the CEPcm limits apply if C ≤ 0.12%, b. For each reduction of 0.01% below the specified maximum for C, an increase of 0.05% above the specified maximum for Mn is permissible, up to a maximum of 1.65% for grades ≥ L245 or B, but ≤ L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; up to a maximum of 2.00% for grades ≥ L485 or X70, but ≤ L555 or X80; and up to a maximum of 2.20% for grades > L555 or X80., c. Unless otherwise agreed Nb = V ≤ 0.06%, d. Nb = V = Ti ≤ 0.15%, e. Unless otherwise agreed, Cu ≤ 0.50%; Ni ≤ 0.30% Cr ≤ 0.30% and Mo ≤ 0.15%, f. Unless otherwise agreed, g. Unless otherwise agreed, Nb + V + Ti ≤ 0.15%, h. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 0.50% Cr ≤ 0.50% and MO ≤ 0.50%, i. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.50% and MO ≤ 0.50%, j. B ≤ 0.004%, k. Unless otherwise agreed, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.55% and MO ≤ 0.80%, l. For all PSL 2 pipe grades except those grades with footnotes j noted, the following applies. Unless otherwise agreed no intentional addition of B is permitted and residual B ≤ 0.001%. Mechanical Properties
Pipe Grade Tensile Properties – Pipe Body of SMLS and Welded Pipes PSL 1
Seam of Welded Pipe Yield Strength a
Tensile Strength a
Elongation
Tensile Strength b
Rt0,5 PSI Min
Rm PSI Min
(in 2in Af % min)
Rm PSI Min
A 30,500
48,600
c
48,600
B 35,500
60,200
c
60,200
X42 42,100
60,200
c
60,200
X46 46,400
63,100
c
63,100
X52 52,200
66,700
c
66,700
X56 56,600
71,100
c
71,100
X60 60,200
75,400
c
75,400
X65 65,300
77,500
c
77,500
X70 70,300
82,700
c
82,700
a. For intermediate grade, the difference between the specified minimum tensile strength and the specified minimum yield for the pipe body shall be as given for the next higher grade. b. For the intermediate grades, the specified minimum tensile strength for the weld seam shall be the same as determined for the body using foot note a. c. The specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be determined using the following equation:
Where C is 1 940 for calculation using Si units and 625 000 for calculation using USC units Axc is the applicable tensile test piece cross-sectional area, expressed in square millimeters (square inches) , as follows – For circular cross-section test pieces, 130mm2 (0.20 in2) for 12.7 mm (0.500 in) and 8.9 mm (.350 in) diameter test pieces; and 65 mm2 (0.10 in2) for 6.4 mm (0.250in) diameter test pieces. – For full-section test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified outside diameter and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2) – For strip test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified width of the test piece and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2) U is the specified minimum tensile strength, expressed in megapascals (pounds per square inch) Pipe Grade Tensile Properties – Pipe Body of SMLS and Welded Pipes PSL 2
Seam of Welded Pipe Yield Strength a
Tensile Strength a
Ratio a,c
Elongation
Tensile Strength d
Rt0,5 PSI Min
Rm PSI Min
R10,5IRm
(in 2in)
Rm (psi)
Af %
Min
Max
Min
Max
Max
Min
Minimum
BR, BN,BQ,BM 35,500
65,300
60,200
95,000
0.93
f
60,200
X42,X42R,X2Q,X42M 42,100
71,800
60,200
95,000
0.93
f
60,200
X46N,X46Q,X46M 46,400
76,100
63,100
95,000
0.93
f
63,100
X52N,X52Q,X52M 52,200
76,900
66,700
110,200
0.93
f
66,700
X56N,X56Q,X56M 56,600
79,000
71,100
110,200
0.93
f
71,100
X60N,X60Q,S60M 60,200
81,900
75,400
110,200
0.93
f
75,400
X65Q,X65M 65,300
87,000
77,600
110,200
0.93
f
76,600
X70Q,X65M 70,300
92,100
82,700
110,200
0.93
f
82,700
X80Q,X80M 80,.500
102,300
90,600
119,700
0.93
f
90,600
a. For intermediate grade, refer to the full API 5L specification. b. for grades > X90 refer to the full API5L specification. c. This limit applies for pies with D> 12.750 in d. For intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determined for the pipe body using foot a. e. for pipe requiring longitudinal testing, the maximum yield strength shall be ≤ 71,800 psi f. The specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be determined using the following equation:
Where C is 1 940 for calculation using Si units and 625 000 for calculation using USC units Axc is the applicable tensile test piece cross-sectional area, expressed in square millimeters (square inches) , as follows – For circular cross-section test pieces, 130mm2 (0.20 in2) for 12.7 mm (0.500 in) and 8.9 mm (.350 in) diameter test pieces; and 65 mm2 (0.10 in2) for 6.4 mm (0.250in) diameter test pieces. – For full-section test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified outside diameter and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2) – For strip test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified width of the test piece and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2) U is the specified minimum tensile strength, expressed in megapascals (pounds per square inch g. Lower values fo R10,5IRm may be specified by agreement h. for grades > x90 refer to the full API 5L specification. 
Common Use:
- API 5L is the American Petroleum Institute standard specification for seamless and welded steel line pipes used in the oil and gas industry for transporting petroleum and natural gas
- Higher PSL levels and grades (e.g., X70 vs. Grade B) provide greater strength and toughness for demanding pipelines.
- When ordering API 5L pipe, specifying the Grade, PSL level, manufacturing type, and service requirements (e.g., sour service) is crucial for ensuring the correct pipe is supplied for the application.
Product Specification Levels (PSL):
- PSL1: Basic level, suitable for conventional low-pressure, onshore pipelines; low cost and compatible with general engineering applications;
- PSL2: Advanced level, with more stringent requirements for low-temperature impact toughness, welding performance, compositional uniformity, and non-destructive testing; suitable for critical applications such as high-pressure, low-temperature (e.g., cold regions/deep sea), highly corrosive, and long-distance main pipelines;
- Grade B: A common, lower-strength grade, sometimes known as L245.
X52 (L360): A medium-strength grade, indicating a minimum yield strength of 360 MPa.
X70 (L485): A higher-strength, premium grade with a minimum yield strength of 485 MPa
Core Advantage
Brisk Steel Group is rooted in a culture of "technology as the backbone, quality as the soul, and customers as the heart." Through relentless innovation, global expansion, and a commitment to responsibility, we strive to become a trusted global partner and a technological benchmark in the steel manufacturing industry.
Craftsmanship with Precision
We adhere to a rigorous quality control system that spans the entire production process—from raw material procurement and manufacturing to product delivery—ensuring the highest standards of excellence.
Innovation-Driven Technological Leadership
We prioritize R&D and technological advancement, integrating cutting-edge production lines (e.g., JCOE large-diameter LSAW pipe production) and expert teams from countries like Germany and the Netherlands to maintain our position at the forefront of the industry.
Globalization and Open Collaboration
Actively engaging in the global supply chain, we have obtained international certifications such as CE marking, enabling our products and services to reach worldwide markets.
Professional Team and Talent Empowerment
We value the recruitment and development of technical talent, building an international and professional team that drives continuous growth.
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