The product has an outer diameter range of 21.3–1067 mm and a wall thickness of 2–150 mm, with derived variants including multiple grade sub-types such as X42N and X42Q.
The API 5LX standard, first issued in 1947, incorporated the X42 steel grade into its specifications, defining its minimum yield strength as 289 MPa. Available in PSL1/PSL2 grades, it can be supplied as stock or customized products, suitable for both coupling connections and welding applications. With advancements in welded pipe technology, X42 line pipe has become dominant in large-diameter transmission applications.
Specification
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Product Name |
API 5L PSL1 ASTM A106 Gr.B ERW/HFI /EFW/ LSAW/DSAW Line Pipes for oil or gas transport |
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Specification |
Out diameter |
377-508mm |
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Wall thickness |
4-10mm |
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Length |
4-12m or at customers' option |
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Standard |
ASTMA53--2007 GB/T3091 |
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Material |
Q195 Q235 Q345 |
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Brand |
CSPG steel pipe |
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Surface treatment |
Oiled or black painted or as clients' requirement |
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Application |
structure , low pressure fluid transmission(water pipes),machine manufacture, architecture industry, the metallurgical industry,the furniture, as well as the steel domain and so on. |
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Packaging |
In bundle/ in seaworthy packing /according to the requirement of customers |
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MOQ |
10 metric tons / can be negotiated |
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Port |
Tianjin |
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Delivery time |
15-45 working days after receving your deposit |
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Payment terms |
T/T or L/C |
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Trade terms |
FOB |
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Supply ability |
10,000 metric tons/month |
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Product manufacturing process

Packaging & Delivery
Packaging Details:
1. Bundle packing.
2. Bevelled end or plain end or vainished as buyer's required.
3. Marking: as per customer's requests.
4. Painting varnish coating on the pipe.
5. Plastic caps at ends.
Delivery Detail: Shipped in 25 days after payment






