black carbon steel seamless pipe 18" sch40 astm a106

black carbon steel Seamless Pipe 18" sch40 Astm A106      OD : 21.3mm - 168.3mm   Thickness :  2.77mm -25.4mm (Schedule 40 to schedule 160)   Material : ASTM A 53B/C, ASTM A106B/C , A519, SAE1045, ST37/52 etc .    Section Shape : Round    Length :  4000mm to 12000mm random length generally . Also could produce as  per your request .   Type : Seamless pipe    Ends : plain ends or beveled ends   Surface finished : chroming for beauty and feel good to use ,you also chroming in your side .    Technique process :  Cold drawn    Price : USD700/,Mt to USD850/Mt per ton FOB Qingdao or Tianjin Port China .   

Sales : Ms Grace : steelpipegz at gmail.com or grace at zhongxingsteelpipe.com                                 Tel  : 86-635-8245816 Fax : 86-635-8245817                                 Mobile : 86-13963509487

  

Process	mostly by cold drawn for those small size seamless pipes
Delivery Condition	BK : Generally used for motorcycle parts like Shock absorber sliding column
	BKW : Generally used for manufacturing automobile parts
	BKS : Generally used for manufacturing All kinds of mechanical parts
	GBK : Most commonly state which have a widely application scope
	NBK : Oil well pipe is in this condition
Calculation of Theoretic Weight	? kg/m = {(OD – W.T) * W.T} * 0.02466

Foreign Material Pipe Comparison

ASTM	GB	JIS	DIN
A106 Gr.B	20#	G3461	St45.8

ASTM A106 Gr.B  chemical constitution : 

chemical composition;	GradeB
Carbon, max	0.30
Manganes	0.29–1.06
Phosphorus,max	0.035
Sulfur,max	0.035
Silicon,min	0.10
Chrome,max	0.4
Copper,max	0.4
Molybdenum,max	0.15
Nickel,max	0.40
Vanadium,max	0.08

 ASTM A106Gr.B  Mechinical Properties :

	tensile strength MPa	yield point MPa	elongation (%)
A106B	410~550	245	24

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