E215 E235 E355 Grade Precision Seamless Steel Tubes with Cold Drawn and Stress Relieved

Delivery Time:20~30 days after order
Certification:ISO9001, ISO14001, PED

EN10305-1 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS

Part 1: Seamless cold drawn tubes

Specifications:

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: BE/PE, ends caps

Marking: as per requirement

Delivery Condition: Cold Drawn-hard (+C) / Cold Drawn-Soft (+LC) / Cold Drawn and stress relieved (+SR) / Annealed (+A) / Normalized (+N)

Size:(mm)
      OD: 4 – 260mm          WT: 0.5 – 25mm

   or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length

Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement

CHEMICAL COMPOSITION (%):

CHEMICAL COMPOSITION (CAST ANALYSIS) IN%
Grade	C≤	Si≤	Mn≤	P≤	S≤
E215	1.0212	0.10	0.05	0.70	0.025	0.025
E235	1.0308	0.17	0.35	1.20	0.025	0.025
E355	1.0580	0.22	0.55	1.60	0.025	0.025
⋮	⋮	⋮	⋮	⋮	⋮	⋮

E215 with Al≥0.025

MECHNICAL PROPERTIES (Minimum Values) :

Grade	Cold finished (Hard)	Cold finished (Soft)	Cold finished and stress-relieved	Annealed	Normalized
+C (BK)	+LC (BKW)	+SR (BKS)	+A (GBK)	+N (NBK)
Rm (Mpa)	A (%)	Rm (Mpa)	A (%)	Rm (Mpa)	ReH (Mpa)	A (%)	Rm (Mpa)	A (%)	Rm (Mpa)	ReH	A (%)
E215	430	8	380	12	380	280	16	280	30	290~430	215	30
E235	480	6	420	10	420	350	16	315	25	340~480	235	25
E355	640	4	580	7	580	450	10	450	22	490~630	355	22
⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮

DELIVERY CONDITION: