What API 5L X42 Seamless Pipe Actually Means for Your Pipeline
Product at a Glance
API 5L X42 seamless carbon steel pipe – grade X42 means minimum yield strength of 42,000 psi (290 MPa). Used for oil, gas, water transmission, and industrial piping systems where a welded seam isn't an option.
Seamless = no weld line = less risk of hidden defects. Straight from our mill to your project.
Who We Are – Jiangsu Cunrui Metal Products Co., Ltd.
We're a manufacturing mill, not a trading desk. Founded in 2013 in Jiangsu, China.
Numbers you can verify:
- Plant area: 90,000 m² (22,000 m² production floor)
- Registered capital: RMB 80 million
- Total investment: > RMB 200 million
- Annual output: 200,000 tons of seamless and welded line pipe
Key equipment: 6600T full-CNC press brake, 3200T double-side pre-bending, German milling machines, Lincoln welding systems.
Why that matters to your price:
You pay mill-direct. No trader markup. No "we'll check with the factory" delays.
Why This X42 Works in Real Life
why choose us
'lt is awesome to work with Creative. amazingy organized,easy to communicate with. responsive with next iterations,and beautiful work.
Weldable without drama
moderate carbon equivalent means field welding goes smoothly.
Seamless consistency
no weld seam to inspect or worry about over time.
Pressure-rated simply
built for pipeline codes, not generic stock.
Third-party ready
you bring SGS, BV, or your own inspector. We open the yard.
Key Features & Core Advantages
Superior Seamless Integrity: Produced via hot piercing and rolling, eliminating welded seams to deliver unmatched pressure resistance and structural stability.
Controlled Metallurgical Composition: Strict micro-alloying ensures balanced strength, toughness, and weldability, with low S/P content for enhanced corrosion resistance.
Dimensional Precision: Tight tolerances for outer diameter (±0.75%) and wall thickness (+15%/-12.5%) ensure perfect fit and easy installation.
Dual Quality Grades: Available in PSL1 (standard) and PSL2 (premium) to align with diverse project pressure and temperature requirements.
Cost-Effective Durability: High strength-to-weight ratio reduces material costs while extending service life in challenging operating conditions.
Chemical Composition & Mechanical Properties
Chemical Composition
(API 5L Standard, Weight %)
Element
Carbon (C)
Manganese (Mn)
Silicon (Si)
Phosphorus (P)
Sulfur (S)
Chromium (Cr)
Nickel (Ni)
Carbon Equivalent (CE)
Specification (PSL1/PSL2)
≤0.26
0.80–1.40
0.15–0.40
≤0.025
≤0.015
≤0.30
≤0.30
≤0.43 (IIW)
Typical Value
0.22
1.10
0.25
0.018
0.010
0.15
0.10
0.40
Purpose
Ensures base strength and hardenability
Enhances strength and low-temperature toughness
Improves deoxidation and surface quality
Minimizes cold brittleness
Reduces hydrogen-induced cracking (HIC) risk
Optional: Boosts corrosion resistance
Optional: Enhances low-temperature impact toughness
Controls weld cold cracking susceptibility
Mechanical Properties
(API 5L X42, Room Temperature)
Parameter
Minimum Yield Strength
Tensile Strength
Elongation (Min)
Charpy Impact Toughness
Hardness
PSL1
290 MPa (42,000 psi)
415–585 MPa
23%
Optional
≤250 HV
PSL2
290 MPa (42,000 psi)
415–585 MPa
23%
≥27 J @ -20°C
≤250 HV
Test Standard
ASTM A370
ASTM A370
ASTM A370
ASTM E23
Vickers Test
Packaging & Shipping – Built for Ports, Not Warehouses
Standard export packaging (included):
Hexagonal bundles, steel strapped
Plastic end caps on both ends
Anti-rust film + waterproof paper wrap
Wooden crates (ISPM-15 certified) for heavy walls or odd diameters
Shipping methods we actually use:
20' / 40' / 40'HQ containers (FCL preferred)
Break bulk / flat racks for large OD (over 24 inches)
RORO for pipes up to 12m single length
China-Europe rail for landlocked destinations
Documents attached to each bundle:
Packing list, commercial invoice, and Mill Test Certificate sealed in a waterproof pouch – fixed to the outside. No "lost papers" at your customs.
Company & Factory Strength
Jiangsu Cunrui Metal Products Co., Ltd.-a leading Chinese manufacturer founded in 2006, headquartered in Wuxi, Jiangsu (China's steel industry hub). With 19+ years of metal production experience, total investment of 180 million CNY, and annual sales exceeding 2 billion CNY, we integrate R&D, manufacturing, and global trade to deliver premium steel products.
Factory Scale: 2 modern production bases spanning 30,000㎡, 100+ professionals (including 18 dedicated R&D/QC engineers), annual production capacity of 50,000 tons for seamless pipes.
Core Advantages:
Why choose API 5L X42 pipeline?
- Balanced performance and reliability: Moderate yield strength, excellent weldability and toughness, suitable for most medium and low-pressure fluid transportation conditions.
- Outstanding cost-effectiveness: Compared to higher strength grade pipeline steel, X42 material has lower cost, less construction difficulty, and better overall life cycle cost.
- Comprehensive standard system: The API 5L standard is widely recognized by the global oil and gas industry. The product quality, inspection and acceptance procedures are clear, reducing project compliance risks.
- Stable and mature supply chain: There are numerous API-certified suppliers worldwide, and the supply of regular specifications of API 5L X42 PIPE is sufficient, with controllable delivery time.
If you are looking for an API 5L X42 pipeline supplier for oil and gas transportation or fluid pipeline projects, we can offer you customized specification quotations, complete quality certification documents and professional technical support. Would you like me to provide you with a list of common specifications and selection options for API 5L X42 pipelines?
