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Carbon Steel Pipes
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    Carbon Steel Pipe Carbon Steel Pipe sch 40 pipe steel 40 pipe steel and tube

    The steel grade of our products have carbon structural steel, carbon tool steel, carbon spring steel, stainless steel, heat-resistant steel, wear-resistant steel, alloy spring steel, alloy structural steel, bearing steel, alloy tool steel, high alloy tool steel, high-speed tool steel, high temperature alloys, electrical alloy, precision alloy, low temperature steel, electrical steel, ductile iron, grey cast iron, etc.We can provide professional steel, such as bridge steel, ship steel, boiler steel, pressure vessel steel, agricultural machinery steel, etc

    Product Details(Feature/Advantages)


  • Delong Metal is group company in the steel manufacture & Trading, founded in the 2000s, 800+ staff, 25, 000+ m2 non-dust workshop, 40+ great large mills and cooperation partners in China, 4000, 000+ MT production per year under ISO management, 40, 000+customers in domestic and overseas market, 10 billion USD of annual turnover, 15+ subsidiary companies all over China, ranking the Top 100 private enterprises in China, 1 hour reach Shanghai/Tianjin /Guangzhou Port, we keep high quality, competitive price, thousands tons of stock, most efficient delivery and reliable cooperation for global valued customers. We have been engaging industry steel for over 20 years, best service and the most competitive price is one of our greatest advantages that make us today!

    We operate within the scope of ISO 9001: 2015 accredited management system and the raw materials are procured from suppliers in compliance with ASTM, BS EN and DIN standards.Our products are rigorously inspected to ensure they are within tolerance of our customer′s specifications, we work with accredited laboratories for specialised material testing and chemical analysis.In addition, we use X-ray fluorescence technology to meet our high inspection standards and to ensure that our customers get the best quality products.


  • In recent years, our company has always occupied the market with high-quality products. The products are exported to Southeast Asia, Central Asia, North Africa, South America and other regions. We always give the buyer high-quality products, low prices, good service, one-time cooperation for lifelong friends. Welcome domestic and international friends to inquire for a better future together!


  • Keywords: carbon steel pipe,Seamless Steel Pipe, Seamless Stainless Steel Pipe, Steel Piping,steel pipe
    Size: OD: 13.72-4064mm / WT: 1.65-40mm,Length: 0.5mtr-20mtr
    Standard & Grade : API5L,ASTM A106/A53, DIN2391, ASTM A179/A192, EN10210,EN10208
    Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
    Delivery: BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)
    Payment: TT, LC , OA , D/P
    Packing: Bundle or bulk , seaworthy packing or for the client’s requirement
    Usage: For conveying gas, water and oil either in the oil or natural gas industries



  • Standard Type of pipe Class Grade
    API SPEC 5L ISO 3183 SMLS PLS1 L245B, L290 X42, L320 X46 , L360 X52, L390 X56, L415X60, L450 X65, L485 X70
    PLS2 L245N 8N, L290N X42N, L320N X46N. L360N X52N, L390N X56N, L415N X60N, L360Q X52Q, L390Q X56Q. L415Q X60Q , L485Q X70Q
    PLS2 Sour Environment L245NS BNS, L290NSX42NS, L320NSX46NS L360NSX52NS, L390NSX56NS, L415NSX60NS, L360QSX52QS, L390QSX56QS, L415QSX60QS L485QS X70QS
    WELD PLS1 L245B, L290 X42, L320 X46, L360 X52 L390 X56, L415X60, L450 X65, L485 X70
    PLS2 L245M BM, L290M X42M, L320M X46M, L360M X52M, L390M X56M, L415M X60M, L450M X65M, L485M X70M, L555M X80M

  • Grade:
    Standard Grade
    ASTMA53M A.B
    ASTMA106M A, B, C
    JIS G 3454 STPG 370,STPG410
    JIS G 3455 STPG370, STPG410, STPG480
    JIS G 3456 STPG370, STPG410, STPG480

  • Chemical Composition (%):
    Standard Grade C Si Mn P S Ni Cr Cu Mo V
    ASTMA 53M A <0.25 <0.95 <0.05 <0.045 <0.40 <0.40 <0.40 <0.15 <0.08
    8 <0.30 <1.20 <0.05 <0.045 <0.40 <0.40 <0.40 <0.15 <0.08
    ASTMA106M A <0.25 >0.10 0.27-0.93 <0.035 <0.035 <0.40 <0.40 <0.40 <0.15 <0.08
    8 <0.30 >0.10 0.29-1.06 <0.035 <0.035 <0.40 <0.40 <0.40 <0.15 <0.08
    C <0.35 >0.10 0.29-1.06 <0.035 <0.035 <0.40 <0.40 <0.40 <0.15 <0.08
    JIS G 3454 STPG 370 <0.25 <0.35 0.30-0.90 <0.040 <0.040
    STPG 410 <0.30 <0.35 0.30-1.00 <0.040 <0.040
    JIS G 3455 STS 370 <0.25 0.10-0.35 0.30-1.10 <0.035 <0.035
    STS 410 <0.30 0.10-0.35 0.30-1.40 <0.035 <0.035
    STS 480 <0.33 0.10-0.35 0.30-1.50 <0.035 <0.035
    JIS G 3456 STPT 370 <0.25 0.10-0.35 0.30-0.90 <0.035 <0.035
    STPT410 <0.30 0.10-0.35 0.30-1.00 <0.035 <0.035
    STPT 480 <0.33 0.10-0.35 0.30-1.00 <0.035 <0.035

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  • Packing & Delivery:


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