Honed Tube

Product Type: Carbon Seamless Honed Steel Tube,Cold Drawn Carbon Steel Seamless Honed Tube,Honed Tube Carbon Seamless Saw Steel Pipe Tube

Material: ST52,CK45,4140,SCM440,16Mn,42CrMo,E355,Stainless Steel 304/316,Duplex 2205,etc.

Delivery Condition: BK, BK+S, GBK, NBK

ID Size : 20mm – 1500mm

Length: max 16m

Type: Seamless, Hot Rolled, Cold Rolled, Cold Drawn

Straightness: ≤ 0.5/1000

Roughness: 0.2-0.4 u

Tolerance EXT: DIN2391, EN10305, GB/T 1619

Tolerance INT: H7,H8,H9

Protection: Anti-rust oil on inside and outside surface, plastic caps in both ends.

Packing: Bundle with steel strip and PE sheet or wooden case

Chemical Composition:
Steel grade	Chemical composition,%
	C	Si	Mn	P	S	Cr
				P	S	Cr	≤
				20#		0.17-0.24		0.17-0.37	0.35-0.65
16Mn	≤0.2	≤0.5	1.00-1.60	0.03	0/03	0.25
ST52(E355)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.25
SAE1026(25Mn)	0.22-0.28	0.15-0.35	0.6-0.9	0.04	0.05	/
45#	0.42-0.5	0.17-0.37	0.5-0.8	0.025	0.02	0.25
Mechanical Property:
Delivery	cold finished(hard)(BK)			Cold drawn and stress-relieved(BK+S)
condition	cold finished(hard)(BK)			Cold drawn and stress-relieved(BK+S)
Steel grade	Rm MPa		Elongation	Rm MPa	ReH MPa	Elonggation
Steel grade	Rm MPa		A5(%)	Rm MPa	ReH MPa	A5(%)
20#	≥550		≥8	≥520	≥375	≥15
16Mn	≥640		≥5	≥600	≥520	≥14
ST52(E355)	≥640		≥5	≥600	≥520	≥14
SAE1026	≥640		≥5	≥600	≥510	≥12
45#	≥650		≥5	≥600	≥510	≥12

产品概述