Detailed Product Description
We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.
Material: Carbon Steel And Alloy Steel Steel Grade: St 30SI, St 30 Al, St35,St45, St52, Other Materials Upon Agreement With Customers.
Shape: Round Standard: DIN2391
Manufacture Techinique: Seamless+cold Drawn Surface Treatment: Anti-Rust Oil Protection
Application: In Auto Parts Industry Characteristic: High Accuracy
DIN2391 ST35 BK, BKW, BKS, GBK , NBK Cold Drawn Precision Seamless Steel Pipes
DIN2391 Precision Steel Pipes for Hydraulic system
OD:4-80 (mm) WT0.5-10 (mm) Length 12000mm
1. Standard:
DIN2391 Precision Seamless Steel tubes for precision hydraulic systems
DIN2393 Precision Welded Steel tubes for precision hydraulic systems
2. Steel Grade:
St 30SI, St 30 Al, St35,St45, St52, other materials upon agreement with customers.
3. Production method:
Cold drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance
4.Size range:
O.D.:20-350mm W.T.:1-15mm L:max12000mm
5. Packing:
In Hexagonal Bundles, wth anti-rust oil protection, with seaworthy packing
6.Deliver condition:
1). BK Cold finished (hard)
2). BKW Cold finished (soft)
3). BKS Cold finished and stress relieved
4). GBK Annealed
5). NBK Normalized
Standard and documents reffered to:
DIN 1629 Seamless, circular, unalloyed steel pipes subject to special requirements; technical
delivery conditions
DIN1630 High Performance seamless, circular, unalloyed steel tubes; technical delivery conditions
DIN1651 Free cutting steel, technical delivery conditions
DIN2391 Part 1 Seamless Precision Steel Tubes; dimensions
DIN2445 Part 2 Seamless precision steel tubes subject to fatigue loading, rated for a pressure of 64 to
400 bar
DIN4768 Determination of surface rougjhness parameters R3, R2 and Rmax, using elactric styles
instruments; concepts and measuring conditions
DIN8528 Part 1 Weldability of metallic materials; concpets
DIN17121 Seamless circular steel tubes for structural steel work; technical delivery conditions
DIN17124 Seamless circular fine grain steel tubes for sturctural steelwork; technical delivery
Conditions
DIN17172 Steel pipes for conveying ccombustible liquids and gases; technical delivery conditions
DIN17173 Seamless circular tubes made from steel with low temperature toughness; technical
delivery conditions.
DIN17175 Seamless tubes with elevated temperature properties; technical delivery conditions
DIN17179 Seamless circular fine grain steel tubes subject to special requirements; technical
delivery conditions
DIN17204 Seamless circular tubes made from steels for quenching and tempering; technical
delivery conditiosn
DIN17210 Case hardening stel; technical delivery conditions
DIN17458 Seamless circular austenitic Stainless Steel Tubes subject to special requirements,
technical delivery conditions.
DIN50049 Inspection documents for the delivery of metallic products
DIN50960 Part 1 Electroplated and chemically applied coatings; designation and information in technical
documentations
DIN EN10002 Part1 Tensile testing of metallic materials; method of test at ambient temperture ( including
Amendment AC 1:1990)
DIN EN10025 Hot rolled unalloyed structurall steel products; technical delivery conditions ( including
Amentment A1:1993)
DIN EN10027 Part1 Designation systems for steel; steel names and principal symbols
DIN EN10027 Part2 Designation ystmes for steel; numerical systems
DIN EN10083 Part1 Quenched and tempered steels; technical delivery conditions for special steels
DIN EN10083 Part2 Quenched and tempered steels; technical delivery conditions for unalloyed quality steels
DIN EN10233 Metallic materials; tube; flattening test
DIN EN10234 Metallic materials; tube; drift expanding test
DIN EN10021 General technical delivery conditions for steel and iron products
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