Specifications and Grades about Seamless steel pipe

October 20th, 2017|

1/8" through 24" O.D. Specifications and Grades: •ASTM/ASME A/SA106 B/C •ASTM/ASME A/SA 53B •ASTM/ASME A/SA 333 Grade 6 •API 5L B, X42, X52, X60, X65 •NACE MR-0175 •EN 10204 3.1.B Steel Capabilities: •Industry Leader in [...]

Cold-rolled steel surface quality

October 18th, 2017|

Cold drawn steel hot rolled coils as raw materials for cold rolling after pickling descaling, the finished product is rolling hard volumes, due to continuous cold work hardening caused by deformation of the strength of [...]

Carbon steel seamless pipe manufacturing annular parts

October 17th, 2017|

Carbon steel seamless pipe manufacturing annular parts, can improve material utilization, simplify the manufacturing process, saving time and material processing stations, such as bearing rings, jack sets, is currently widely used to make steel. Carbon [...]

Hot-rolled and cold drawn seamless steel tubes Process Overview

October 16th, 2017|

Cold drawn (rolled) seamless steel pipe: round tube perforation → heating → → → annealing → pickling → Heading oiled (copper) → multi-pass cold drawn (cold) → blank tube → heat treatment → straightening → [...]

High-pressure boiler seamless pipe

October 13th, 2017|

High-pressure boiler seamless pipe is a kind of Boiler Tube. It belongs to the category of seamless steel tubes. The method of manufacturing the same and seamless, but the manufacture of steel pipe used, there [...]

40Cr seamless steel pipe brief introduction normalizing and tempering process

October 12th, 2017|

Cr can increase the hardenability 40Cr seamless steel pipe, improve the strength and stability of tempered steel, with excellent mechanical properties. Large cross-sectional dimension or critical quenching 40Cr seamless, Cr steel should be used. But [...]

20 seamless steel pipe production process technology need to pay attention

October 11th, 2017|

Sample Preparation: Sample processing tools to prevent pollution caused by the sample, the sample processing to avoid overheating so that the surface oxidation. Intact specimen surface finish should not have cracks, inclusions, blisters and other [...]

How to control 16mn seamless hot-dip galvanizing time and temperature

October 10th, 2017|

From the historical test and production practices can be sure, 16mn seamless steel pipe hot-dip galvanized zinc liquid temperature to control the optimum temperature in the range of 450 ℃ ~ 460 ℃. When the [...]

Overview of seamless carbon steel pipe

October 9th, 2017|

Carbon steel seamless pipe is a hollow cross-section, no seams around the long bar of steel. Steel hollow section is used as a large number of pipes conveying fluids, such as transportation of oil, natural [...]