DIN 17175, DIN17175 ST35.8,DIN17175 ST45.8

DIN 17175 alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes.

DIN 17175 steel tube

DIN 17175 steel tube is called seamless alloy steel pipe and tube

DIN 17175 steel pipes are used in boiler installations, high-pressure pipelines and tank construction and special machinery for both high (градусов 600) temperature and high-pressure devices. This alloy steel pipe is just a big class,and it has many classifivations.
We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes.

Steel grade:

  • DIN17175 St35.8, DIN17175 St45.8, 15Mo3, 13CrMo44, 10CrMo910

Chemical Compositions of DIN 17175 steel pipes (%)

Grade C Si Mn P S Cr Mo
St35.8 ≤0.17 0.10-0.35 0.40-0.80 ≤0.040 ≤0.040 / /
St45.8 ≤0.21 0.10-0.35 0.40-1.20 ≤0.040 ≤0.040 / /
15Mo3 0.12-0.20 0.10-0.35 0.40-0.80 ≤0.035 ≤0.035 / 0.25-0.35
13CrMo44 0.10-0.18 0.10-0.35 0.40-0.70 ≤0.035 ≤0.035 0.70-1.10 0.46-0.65
10CrMo910 0.08-0.15 ≤0.50 0.40-0.70 ≤0.035 ≤0.035 0.20-0.25 0.90-1.20

Mechanical Properties of DIN17175 steel pipe

Grade Yield Strength (Mpa) Tensile Strength (Mpa) Elongation(%)
St35.8 ≥235 360-480 25
St45.8 ≥255 410-530 21
15Mo3 ≥275 450-600 20
13CrMo44 ≥290 440-590 20
10CrMo910 ≥280 450-600 18

Packing:

  • Inner packing:Caps on two ends of every pipe
  • Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .
  • Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
  • Marking: as per customer’s requirement

Read more:

DIN: Deutsche Industrie Normen (=German Industry Standard) 德国工业标准

DIN标准与欧洲标准EN和国际标准ISO的关系

德国是欧洲标准化委员会CEN(European Committee for Standardixation)的18个成员国之DIN在CEN中起着重要的作用,CEN中有三个之一的技术委员会秘书国由德国担任。DIN在制、修订标准时不断考虑到国际上和欧洲的动向,所以其经营的标准化项目数量也是逐年变化。在1984年DIN的标准化项目中有5%是国际标准化项目,12%是欧洲标准化项目,83%纯粹是本国国家标准,到1994年国际标准化和纯德国标准化部分各占25%,而欧洲标准化部分则为50%。随着时间推移越来越多的欧洲标准ENS(Europaeische Norms)已被德国采用作为新的DIN EN标准而取代了原来的DIN标准,如德国现有200多个钢铁产品标准中有近一半采用了欧洲标准,预计再过5-6年欧洲标准ENS将达到20,000个,这意味着23000个DIN标准中有20,000个是经过欧洲协调好的。

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