Tel: +86-0731-88672086   E-mail: info@great-pipe.com
Home » News
Hot Product

News and Events

  • Galvanized Steel Surface Defect Inspection Points
    Galvanized Steel Surface Defect Inspection Points
    2023-06-06
    We see more hot dip galvanized steel craft on the market now, hot dip galvanized steel surfaces because of improper operation of the formation of surface defects, the need for strict process to produce better products.If the defect is due to the hot-dip galvanizing equipment dysfunctional or poor co
    Read More
  • Over-temperature Boiler Tubes Knowledge
    Over-temperature Boiler Tubes Knowledge
    2023-06-05
    Boiler tubes cooled in the heating surface tubes running time count or deterioration of the operating environment, dry, in a short time so that a sudden increase in the temperature of the steel pipe, the temperature reaches above the rated temperature, a tensile strength of steel sharp decline in st
    Read More
  • Cause Analysis of Straight Seam Steel Pipe Wrong Side
    Cause Analysis of Straight Seam Steel Pipe Wrong Side
    2023-06-02
    Straight seam steel pipe production, the wrong side have occurred, many influencing factors. In practice, often by a dry wrong side super differential leaving the steel pipe downgrade. Cause analysis thus produces the wrong side of straight pipe joints and prevention measures are necessary.1, Strip
    Read More
  • Straight Seam Steel Billet Piercing
    Straight Seam Steel Billet Piercing
    2023-06-01
    Straight seam steel billet piercing temperature varies according to the raw material strange strange. Thermal expansion pipe but mostly in 1200 ℃, when the carbon content and other alloying elements more temperature slightly lower.The second key is to try to reduce the heating operation scale quanti
    Read More
  • Control of 304 Stainless Steel Thick-walled Tube Grain Size
    Control of 304 Stainless Steel Thick-walled Tube Grain Size
    2023-05-31
    304 stainless steel thick-walled tube parts to control grain size during heat treatment is necessary, its quality heat-treated 304 stainless steel thick-walled tube has a very important impact. Here's how to control the size of its grain size Method Summary as follows.(1) Choose a reasonable heating
    Read More
  • 304 Stainless Steel Seamless Pipe Wear
    304 Stainless Steel Seamless Pipe Wear
    2023-05-30
    304 stainless steel seamless pipe wear phenomenon is very common, many reasons for this phenomenon have physico-chemical and mechanical aspects, mainly by the abrasive wear, adhesive wear (glued), fatigue wear (pitting) corrosion and wear.304 stainless steel seamless pipe and wear almost all propert
    Read More
  • How to Weld for Large-diameter Welded Steel Pipe at Low Temperatures
    How to Weld for Large-diameter Welded Steel Pipe at Low Temperatures
    2023-05-29
    Under cold conditions a low-carbon steel welding, the cooling rate of the welded joint, which has made cracking tendency to increase, especially in the first weld Heavy structures susceptible to cracking, it is necessary to take the following process steps:1) Do not possible under conditions of low
    Read More
  • Derusting Work Process of Thick Wall Straight Seam Welded Pipe
    Derusting Work Process of Thick Wall Straight Seam Welded Pipe
    2023-05-26
    To walled Longitudinal rust oil treatment, we must first understand the characteristics and type of anti-rust oil, as well as their respective roles. So when buying such products can not be thrown off balance, indirectly save time.1. Quick-dryingIts biggest advantage is that dry fast, hard shell, us
    Read More
  • Total 107 pages  Go to Page
  • Go
Hunan Great Steel Pipe Co.,Ltd
Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline & Gas Pipeline Science Research Institute.

PRODUCT CATEGORY

QUICK LINKS

CONTACT US
 Tel: +86-0731-88672086 
 E-mail: info@great-pipe.com
 Address: Hunan Steel Industrial Zone,No.9 Xiangfu Road, Yuhua District, Changsha,    Hunan, China
LEAVE YOUR MESSAGE
Copyright © Hunan Great Steel Pipe Co.,Ltd. All Rights Reserved. Sitemap