Precision ST52 , E355 seamless honed steel tube EN10305-1 Standard manufacturer from China Wuxi Jinlifang Seiko Technology Co., Ltd.

Precision ST52 , E355 seamless honed steel tube EN10305-1 Standard

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Precision Steel Mechanical Honed Tube,ST52,E355 seamless honed steel tube

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Precision Steel Mechanical Honed Tube,ST52,E355 seamless honed steel tube

Specifications

Standard: EN10305-1,DIN2391-2
Material:ST52,E355
Delivery condition:BKS,+SR
Manufacture:cold drawn+honed
Size:40*30-325*300

Product Description

Commodity: ST52 E355 honed seamless steel tube
Standard specification&material: EN10305-1 E355 and equivalent standard and material like DIN2391-2 ST52.
Size range:40mm*30mm - 480mm*450mm
Manufacture method: cold rolled, hydraulic cold drawn
Delivery condition:

BK	BKW	BKS	GBK	NBK
+C	+LC	+SR	+A	+N

Internal surface treatment method: honing or skiving and roller burnishing
OD tolerance: as per EN10305-1
ID tolerance: H7,H8,H9,H10 or given by customer.
W.T tolerance(eccentricity): +/-5%
Bore roughness(Ra): 0.35um max.

Chemical composition requirement of E355 material:

Element	C	Si	Mn	P	S
Content (%)	0.22% max	0.55% max	1.60% max	0.025% max	0.025% max

Mechanical properties of E355 tubes:

	BK	BKW	BKS	GBK	NBK
Tensile strength:	640 Mpa min	580 Mpa min	580 Mpa min	450 Mpa min	490Mpa-630Mpa
Yield strength	-	-	450 Mpa min	-	355 Mpa min
Elongation	4% min	7% min	10% min	22% min	22% min

Our Services
Based on the manufacturing facilities,the following services are available:
1. Machining
2. Skiving&roller burnishing
3. Drilling
4. Grinding
5. threading