Excellent quality Honed Bore Steel Tube - Made in China Seamless Honed Tubes – Jute

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Excellent quality Honed Bore Steel Tube - Made in China Seamless Honed Tubes – Jute Detail:

Chinese high-quality honing tube manufacturers, honing tubes of various specifications and materials, oil cylinder tubes. Support processing customization and provide you with all-round customized production. It can be cut for retail and sold as a whole. Customized production according to your different needs.

Products Description

Name	Honed tube
Standard	DIN2391, EN10305, ASTM A519, GB/T 3639-200 etc
Material	Q355B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C
Heat treatment	BK+S
Specification	Outer diameter(mm)	Inner diameter(mm)
	40-480mm	30-400mm
I.D Tolerance	H8-H9
Length	Fixed Length, Random Length(3–9m)or as requests of customers
Straightness	0.5-1/1000
ID roughness	RA 0.1-0.8micron(max)
Technology	Honed & SRB(SKIVED AND ROLLER BURNISHED )
Scope	Honed tube for hydraulic cylinder, swivel crane, injection machine

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TECHNICAL SPECIFICATIONS:

Steel Grade	C	SI	Mn	P	S	Cr	Ni	Cu
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250	0.250	/
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	0.250	0.300	/
Q345B	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.300	0.250	0.08
Q345D	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.250	0.250	0.15
25Mn	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035	/	/	/
27SiMn	0.22-0.32	1.10-1.40	1.10-1.40	0.035	0.035	0.300	0.300	/
E355	≤0.2	≤0.55	≤1.6	0.025	0.025	0.250	0.250	/
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.040	0.050	/	/	/

Steel Grade	Rm Mpa	ReH Mpa	Elonggation	cold finished Rm Mpa	cold finished Elonggation
20#	≥520	≥375	≥15	≥550	≥8
45#	≥600	≥520	≥10	≥640	≥5
16Mn(Q345B /D)	≥600	≥520	≥14	≥640	≥5
25Mn	≥600	≥510	≥15	≥640	≥5
27SiMn	≥760	≥610	≥10	≥800	≥5
St45	≥520	≥375	≥15	≥550	≥5
E355(st52)	≥600	≥520	≥14	≥640	≥5
SAE1026	≥600	≥510	≥15	≥640	≥5

Working method	range	ID	H8	H9	H10
cold drawn	25-250	30-50	+0.0390	+0.0620	+0.1000
cold rolling	25-150	50-80	+0.0460	+0.0740	+0.1200
cold drawn-honed	40-250	80-120	+0.0540	+0.0870	+0.1400
cold drawn-SRB	50-250	120-180	+0.0630	+0.1000	+0.1600
cold drawn -polished	40-250	180-250	+0.0720	+0.1150	+0.1850
cold drawn-polish-SRB	50-250	as required	as required	as required	as required

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We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with the good quality at the reasonable price for Excellent quality Honed Bore Steel Tube - Made in China Seamless Honed Tubes – Jute , The product will supply to all over the world, such as: Kuwait, Malta, Canberra, Customer satisfaction is our goal. We are looking forward to cooperating with you and providing our best services to suit your needs. We warmly welcome you to contact us and make sure you feel free to contact us. Browse our online showroom to see what we can do for you. And then E-mail us your specs or inquiries today.

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