1.
The materials of semicircle seamless steel tube can fall into carbon steel (20#) and stainless steel (321).
半圆无缝管材质有碳钢（20#钢）和不锈钢（321钢）。
2.
Research on New Manufacturing Process for Large-medium Sized Hi-alloy Steel Seamless Tubes
中大口径高合金钢无缝管材生产新工艺研究
3.
Raising production yield of CPE seamless pipe hot rolling mill
提高CPE机组无缝钢管成材率的研究
4.
STAINLESS STEEL SEAMLESS TUBE/ PIPE IS A KIND OF LONG ROLLED STEEL PRODUCTS， WHICH HAVE HOLLOW SECTION， AND THE PERIPHERAL HAVE NO SEAM.
无缝钢管即是一种具有中空截面、边没有接缝的长条钢材。
5.
Practice of Process for Improving Yield of Seamless Pipe Hot-Rolled by 114CPE Mill
提高114CPE机组热轧无缝钢管成材率的工艺实践
6.
Niobium seamless tubes
GB/T8183-1987铌无缝管
7.
seamless fuel clad tube
无缝燃料元件包壳管
8.
Tubing: usually round in cross-section, and also shaped in section. By the way of making, tubes can be classified into seamless tube, and welded tube.
管材--一般横断面为圆形+也有异形。按制造方法，可分为无缝钢管和焊接钢管。
9.
Wrought copper and copper alloy seamless round tubes for general purposes-Dimensions and tolerances
GB/T16866-1997一般用途的加工铜及铜合金无缝圆形管材外形尺寸及允许偏差
10.
caulking of lead fibres, for pipe joints
堵缝材料,铅丝制,用于管道连接
11.
A metallic bellows is made from a thin seamless tube.
金属波纹管是由薄壁无缝管制成的。
12.
Seamless steel tubes and pipes for high pressure boiler
GB5310-1995高压锅炉用无缝钢管
13.
Seamless hot--Rolled steel tubes for hydraulic pillar service
GB/T17396-1998液压支柱用热轧无缝钢管
14.
Tantalum and tantalum alloy seamless tubes
GB/T8182-1987钽及钽合金无缝管
15.
Carbon steel seamless steel tubes for ship
GB/T5312-1985船舶用碳钢无缝钢管
16.
Seamless steel tubes for petroleum cracking
GB9948-1988石油裂化用无缝钢管
17.
All gas line joints shall be orbital welded except those connecting to valves.
所有气体管路的连接采用无缝焊接。
18.
Zirconium and zirconium alloy seamless tubes for nuclear application
GB/T8768-1988核工业用锆及锆合金无缝管