DIN 2393 ASTM A513 Grade ST37-2 ST52.3

DIN 2393 | ASTM A513 (ST37-2, ST52-3)
High-Precision CDW Steel tubes for Hydraulic, Automotive & Industrial Applications
Suao Metallum commeatus premium Frigidum Tractum (CDW) Ferro Tubes DIN 2393a et ASTM A513 signa fabricata, in gradibus ST37-2 et ST52-3 praesto sunt. Nostrae fistulae praecisione machinatae vires superiores, arta tolerantias, et optimae superficiei optimae rationes ad applicationes industriales poscendas, perficit..

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Key Features & Beneficia

· Frigus extracta praecisione – Auget mechanicas proprietates (fortis superior distrahens, melior duritia).
· Obsequium stricte – Meets DIN 2393 (Germania) & ASTM A513 (USA) specificationes.
· Smooth Superficiem Conclusio – Burr-liber, ad machinationem, vestituram, vel glutino parata.
· Lata Material dolor - ST37-2 (S235JR aequivalens) pro weldability & ST52-3 (S355JR aequivalens) pro summo onere applicationes.
· Custom Sizes - In variis OD, muri crassitudines, ac longitudines ad requisita tua aptare.

Communia Applications

· Systemata Hydraulica & Pneumatica (tubae Cylindri, partium actuatorum)
· Automotiva Partes (Chassis, transmissio, cibus linearum)
· Machinery & gestus (Conveyor scutulis, bushings, spicula)
· Construction & Engineering Structural (Scaffolding, support frames)

Signa & Equivalent Graduss

Standard	Grade	Key Properties	Aequivalent Grades
DIN 2393	ST37-2	Humilis carbonis, bona formabilitas	S235JR (EN), Q235B (GB)
DIN 2393	ST52-3	Vires altae, onera portantes	S355JR (EN), Q355B (GB)
ASTM A513	Typus 5 (ERW)	Electric resistentia iuncta	AISI 1018, 1026

Summus Subtilitas CDW Tubuli ad 299mm OD - Custom Sizes Available

Complete Location dolor

Diameter exterior (OD)	Murus Crassitudo	Latin Longitudo	tolerantia	Gradus Available
8mm - 30mm	0.8mm - 3.0mm	2m - 12m	h9 (DIN 2393)	ST37-2, ST52-3
32mm - 60mm	1.2mm - 5.0mm	2m - 12m	h10	ST37-2, ST52-3
63mm - 120mm	1.5mm - 8.0mm	2m - 12m	h11	ST37-2, ST52-3
121mm - 180mm	2.0mm - 12.0mm	2m - 12m	h11	ST52-3
182mm - 299mm	3.0mm - 20.0mm	2m - 12m	h12	ST52-3

Clavis Praecipua:

· Omnes fistulae pareant cum DIN 2393 Pars 1/2 et ASTM A513 Type 5
· Praecipuae magnitudinis praesto cum OD 300-450mm (MOQ applicat)
· Consuetudo longitudinum usque ad 12 metra ad applicationes structurales
· Asperitas superficies: Ra ≤ 1.6μm (reliqua processus secundarii)

Processus Provectus Productio

Praeparatio materialis

· Ferrum frigus revolvit (DIN EN 10139)
· Compositio chemica verificatur per spectrometrum

Summus Frequency Welding

· ERW processum ad 400kHz frequency
· Weld commissura annealed pro microstructure uniformis

Frigus tractus

· Multi scaena trahens cum carbide tungsten perit
· 15-30% crucem-sectionem reductionem per pass
· Furnum (650-750°C) inter trahit
Final Processing

· Gyratorius erectio (± 0.1mm/m rectitudo)
· Ultrasonic probatio (100% coverage)
· Phosphating / oleum ad praesidium corrosio

Technical Comparison: ST37-2 vs ST52-3

Property	ST37-2 (DIN 2393)	ST52-3 (DIN 2393)	ASTM A513 Equivalent
cede virtus	≥235 MPa	≥355 MPa	Typus 5 (1018)
distrahentes Fortitudo	340-470 MPa	490-630 MPa	Typus 5 (1026)
Prolongatio (A₅)	≥23%	≥20%	-
Impact Test	20°C	-20°C	-
Carbon Content	≤0.17%	≤0.20%	-

Typical Applications

· ST37-2; Vasa supellex, TRADUCTOR scutulis, componentium structurarum lumen
· ST52-3: Cylindri hydraulici, salsissimus chassis, grus remugit
· Speciales usus: Systemata pneumatica (ISO 7180), partes securitatis automotivae

Cur Elige nostrum CDW Tubes?

· Dual Certification: Prosequitur signa DIN et ASTM
· Mega Inventarium: 8,000 talenta in horreis

Praecipua Services:

1. ID/OD stridor (± 0.01mm subtilitas)
2. Zinc plating (usque ad 20μm coating)
3. Laser sectionem pro universa geometrica

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