Name: Round EN 10305-1 A369 Bright Annealed Tube
Brand: YUHONG SPECIAL STEEL
SKU: EN 10305-1 Steel tubes for precision E355+N Steel Tube
Price: 1.00 USD
Availability: InStock
Rating: 4.7 (151 reviews)

Yuhong Holding Group Co.,Ltd
Zhejiang Yuhongwell Steel Co.,Ltd
Zhejiang Zhongwu Tube Manufacturing Co.,Ltd

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Round EN 10305-1 A369 Bright Annealed Tube

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG SPECIAL STEEL
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008.
Model Number:	EN 10305-1 Steel tubes for precision E355+N Steel Tube

Payment & Shipping Terms:

Minimum Order Quantity:	100KGS
Price:	NEGOTIABLE
Packaging Details:	Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time:	20-80
Payment Terms:	L/C, T/T

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Detailed Product Description

Specification:	EN 10305-1 Steel Tubes For Precision E355+N Steel Tube	Keywords:	Precision Steel Tube, EN 10305-1, Precision Steel Pipe, High Precision, HPL Tube
Application:	Hydraulic Systems	Package:	Standard Seaworthy Package
Shape:	Round Pipe	Surface:	Bright
Grade:	A53-A369, 16mn, 10#-45#, Cr-Mo Alloy, ST35-ST52, Q195-Q34	Technique:	Cold Drawn
High Light:	EN 10305-1 Bright Annealed Tube , A369 Bright Annealed Tube , A369 precision steel tube

EN 10305-1 Steel tubes for precision E355+N Steel Tube

We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.

Standard: EN 10305-1
Equivalent Standards: NF 699, DIN 2391, ASTM A519, GOST 9567-75, NBR 8476, BS 6323 Part 4, NF A 49-330-85, BS 6323-4, NF A 49-310, UNI 6403

Material: E355, 1.0580

Equivalent Materials: St52, St52.4, CFS 5, TU 52-b, Q345B, S355GT, TU 526, FE 510

Tubes according to EN 10305 standard are characterised by having precisely defined tolerances on dimensions and a specified surface roughness.

EN 10305 seamless precision steel tube shall be manufactured from hot finished seamless tubes by cold drawning. Other suitable methods of cold working are permitted. The tubes shall be delivered in the delivery condition +N which means that after the final cold drawing operation the tubes are normalized in a controlled atmosphere.

Specification

Name	E355+N Black Phosphated Steel Tube with High Precision
Specification	DIN2391-94/C, EN10305-1, EN10305-4, SAE J524, GB/T3639-2009
Steel Grade	St35, St37.4, St45, St52.4, E235, E255, E355
Size	OD:3-76mm, wall thickness: 0.5-6mm
Length	4m,6m or customized
Delivery Conditions	NBK(+N), BK(+C), GBK(+A), BKW(+LC), BKS(+SR)
Features	High cleanness inside wall, No deformation after cold bending, no crack after flaring and flattening, complicated geometrical forming and machining can be realized
Applications	Used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required

Chemical Compositions

Steel Gr.	Steel No.	Chemical Compositions(%by mass)
Steel Gr.	Steel No.	C(max)	Si(max)	Mn	P(max)	S(max)	Al(min)Total
St35, St37.4(E235)	1.0305	0.17	0.35	≥0.40	0.025	0.025	0.015
St45(E255)	1.0408	0.21	0.35	≥0.40	0.025	0.025	0.015
St52, St52.4(E355)	1.0508	0.22	0.55	≤1.60	0.025	0.025	0.02

Mechanical Properties

Steel Gr.	Steel	BK		BKW		BKS			GBK		NBK
	No.	Rm	A	Rm	A	Rm	ReH	A	Rm	A	Rm	ReH	A
		MPa	%	MPa	%	MPa	MPa	%	MPa	%	MPa	MPa	%
		Min	Min	Min	Min	Min	Min	Min	Min	Min		Min	Min
St35(E235)	1.0305	480	6	420	10	420	315	14	315	25	340-470	235	25
St45(E255)	1.0408	580	5	520	8	520	375	12	390	21	440-570	255	21
St52(E355)	1.0508	640	4	580	7	580	420	10	490	22	490-630	355	22

EN 10305-1 Delivery Condition

Term	Symbol	Explanation
Cold-finished/hard	+C	No heat treatment after the final cold drawing process
Cold-finished/soft	+LC	After the final heat treatment there is a suitable drawing pass.
Cold Drawn and Stress Relieved	+SR	After the final cold-forming process there is Stress relief heat treatment in a controlled atmosphere.
Annealed	+A	After the final cold drawing process the tubes are annealed in a controlled atmosphere.
Normalized	+N	After the final cold drawing process the tubes are Normalized in a controlled atmosphere.