Product Details

Specifications

carbon steel pipe with high precision
A:tolerance:0-0.02mm
roughness:0.2-0.8um
C:straightness:0.5mm/1000mm
D:cold rolled

Our avantage:

1) Our company is located in Changzhou, near Shanghai. The convenient transportation makes us effect the shipment during the shortest time.

2) The seamless steel pipe is provided by Bao steel enterprise, Zhongtian steel enterprise and other main manufacturers in this field.

3) The steel pipes are of high quality, various materials/sizes, and lowest price.

4) Some specified specification can be provided as per customers requirement as well.

Please do not hesitate to contact us for more information

1)Outer Diameter:	5mm-120mm
2Wall Thickness:	0.5mm-20mm
3)Length:	2m-8m
4)Standard:	EN 10297-1, EN 10305-1, EN 10277, DIN 2391-2, DIN 1629, ASTM A572, ASTM A53, ASTM A519, JIS G3445, JIS G3444, JIS G3441, etc
5)Usage	machinery,damper, automobile fitting, metal products, refrigeration facilities, fasteners, machinery manufacture, ironware and so on,
6 Characters:	High precision, no oxide layer, fine finish outside and inside.and the internal bore can be shaped in a circle, square, plum-blossom etc.
7) Technology:	cold drawn or cold rolled

Technology Specification -----The Machanical Property Of Steel Tubes

The Main Product:Cold Drawn or Cold Rolled Refined Bright Steel Tubes; Production Range:OD:4.0-60mm WT:0.5-8mm
Availability Status		Brand	Performance Indicator			Executive Standard
			Tensile Strength	Yield Strength	Elongation	Executive Standard
			σb	σs	δs	Enterprise Standard QQTB- 2005
			Mpa	Mpa	%
StressReliefAnnealing	BKS (+Sr@)	St35(10#)	420	315	14
		St45(20#)	520		12
		St52(16Mn)	580	420	10
Annealing	GBK (+A)	St35(10#)	315		35
		St45(20#)	390		32
		St52(16Mn)	490		30
Normalizing	NBK (+N)	St35(10#)	340-470	235	32
		St45(20#)	440-570	255	30
		St52(16Mn)	490-630	355	28