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Being the largest stockist of tube and hollow sections in the UK,
NTS hold a complete range of the following products.

Selecting the section will take you to specific details.

Hydraulic Products

NTS is probably the UK's leading stockists of Hydraulic Products.

Being able to offer one of the country's largest stocks of Hydraulic Products means we can supply your order requirements and deliver, using our own fleet of vehicles, to the right place anywhere in the UK, at the right time but most importantly at the right price.

Honed Bore Tube

Metric 25mm - 250mm Bore
Imperial 1½" - 12" Bore
Hot rolled up to 600mm Bore

Suitable for Honing or Skiving

Metric 25mm - 250mm Bore

Smooth Bore

Metric 20mm - 110mm Bore
Imperial 1" - 4¼" Bore

Chromed Bar

Metric 4mm - 250mm Diameter
Imperial ½" - 10" Diameter

Cast Iron Bar

Metric 25mm - 500mm

Hard Chrome Plated Stainless Steel Bar

Metric 4mm - 250mm
Imperial ½" - 10"

Ni-Cromax Chrome Bar

Metric 16mm - 160mm

TECHNICAL INFORMATION & CHEMICAL ANALYSIS
	HONED	SUITABLE FOR HONING	SMOOTH BORE	HOT ROLLED HONED	CHROMED BAR
SPECIFICATION	DIN 2391/2393/ASTM A513 (BS EN 10305/1&2)	DIN 2391/ASTM/A513 (BS EN 10305/1)	DIN 2393 (BS EN 10305/2)	DIN 2448/17121 (BS EN 10297)	CK45	20MnV6
STEEL GRADE	ST52 (E355)	ST52 (E355)	ST52.3 (E355)	ST52.0/ST52-3 (E355)	CK45	20MnV6
CONDITION	BK + S	BK + S	BK	AS Rolled / Normalized	Untreated	Untreated
YIELD (MIN)	520N/mm2	520N/mm2	580N/mm2	340N/mm2	340N/mm2	440N/mm2
TENSILE (MIN)	580N/mm2	580N/mm2	620N/mm2	500-600N/mm2	600-750 N/mm2	500-700 N/mm2
ELONGATION (MIN)	14%	14%	5%	21%	17%	18%
BORE TOLERANCE	H8 / H10	Honing/Skiving Allowance	H9/10	H8-H10	OD Tolerance f8/f7 Surface Finish Ra 0.2um Chrome Deposit 20um min. (14um on sizes up to 20mm dia.)
BORE SURFACE	Ra max 0.4um (16 micro inch CLA)	Honing/Skiving Allowance	Ra max 0.8um (32 micro inch CLA)	Ra max 0.4um (16 micro inch CLA)
Many honed bore sizes are available impact tested at -20°C = 27J min. (based on 10x10mm sample)
For sizes over 230mm OD with wall thickness greater than 16mm the yield will be 490N/mm2 minimum

	C%	Mn%	Si%	P%	S%	V%
ST 52	0.22 Max	1.60 Max	0.55 Max	0.04 Max	0.04 Max
CK45 (EN8 Similar)	0.42 / 0.50	0.50 / 0.80	0.40 Max	0.035 Max	0.035 Max
20MnV6 (EN14 Similar)	0.22 Max	1.30 / 1.70	0.10 / 0.50	0.035 Max	0.035 Max	0.010 / 0.020

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