Zhangjiagang Tubes China Co., Ltd.

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Cold-rolled Steel Tube

Product Details:

Surface	Smooth
Hardness	ST45 165-200 CK45 207-240
Standard	DIN 2391, EN 10305, GB/T 3639 etc.
Dimensions	OD 41.28 mm to OD 123.95 mm
Application	Transmission use
Material	ST45 (20#), CK45 (45#) etc.
Shape	Round
Place of Origin	Jiangsu, China (Mainland)
Brand Name	Tubes China

Payment & Shipping Terms:

Packaging Details:	Shipment in bundles Package: plastic bag inside, hexagon steel strip bundle outside 20-23 metric ton in 20' container, 23-25 metric ton in 40' container
Payment Terms:	L/C,T/T

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Detailed Product Description

Cold-rolled Steel Tube

Widely used in float glass processing line, equipments of woodworking, textile, and dyeing, transmission shaft of heavy automobile, as well as the transmission tubes in other fields

Material: ST45 (20#)
CK45(45#)

Hardness: HB ST45 165-200
CK45 207-240

Length: ≤11m

Roughness of inner hole: Ra≤1.6um

Hardness	Diameter	Outer diameter	Inner diameter	Inner diameter warp		Inner diameter warp
				roundness≤80m	chrome plate≥8m
Chrome plate	28	41.28	28.58	+0.03 -0.05	-0.05 -0.15	0.03
	32	44.45	31.75
		47.75
	38	50.80	38.10
		54.10
	44	57.10	44.45
		60.45
	57	69.85	57.15
		73.15
	70	82.55	69.85	-0.03 -0.15		0.05
		85.85
	83	95.25	82.55		-0.15 -0.25
		98.55
	95	111.25	95.25
	108	123.95	107.95
Penetration	32	44.45	31.75	-0.15 -0.25		0.05
	38	50.80	38.10
	44	57.15	44.45
	57	69.85	57.15
	70	82.55	69.85