jis g4804 alloy steel pipe

Specifications



1 jis g4804 Alloy Steel Pipe

2:OD:10-203mm WT:2-20mm

3.material:ST37.4/E235; ST52.4/E355









ST52.4/E355 carbon steel precision pipe


DIN 2391- Seamless Precision Steel pipes for mechanical and automotive engineering.


EN 10305-1/4 Seamless Steel Tubes for precision applications


tubes astm a335 grade p11

DIN 2391/EN 10305/A519 Precision Steel Pipe

1. OD 10mm-203mm

2 wall thicknessm:2mm to 20mm

3. Dimensional accuracy: 0.08mm

4. Bore roughness: Ra 0.4-1.6

5. Widely used in Mechanical, Chemical, Oil, Automobile industries.

6. Main Material: ST37.4/E235; ST52.4/E355

7. Delivery State: BK/NBK/BKS/GBK

1. MATERIAL SPECIFICATION


ST 52,BK+S,DIN 2391 OR Equivalent


2. CHEMICAL COMPOSITION (%)


C (Max) Mn(Max) Si(Max) S(Max) P(Max)


0.22 1.6 0.5 0.035 0.035


3. MECHANICAL PROPERTIES


Elongation(Min) Y.S (Min.) UTS (Min.)


≥15 470 N/MM2 580 N/MM2


4. SUPPLY CONDITION


Cold drawn seamless Steel Tube, stress relieved and honed or skived roller burnished


5. SURFACE ROUGHNESS


Ra = 0.4~0.8Micron


6. TOLERANCES ON INNER DIA


ISO H8


7. STRAIGHTNESS: ≤1 mm/M


8. OD TOLERANCE


≤ Dia 40 +/-0.2 mm


≥ Dia 40 ≤ Dia 100 +/-0.3mm


≥ Dia 100 +/-0.5mm


9. LENGTH AND CUT TOLERANCE


Length ≤ 500mm , +2mm


> 500mm ≤ 2000mm, +3mm


> 2000mm ≤ 5000mm, +5mm


> 2000mm ≤ 7000mm, +10mm


10. TUBE ENDS


Tube ends shall be cut nominally square to the axis and free from burs


11. APPEARANCE


Tube shall have a smooth internal and external surface consistent with cold working


process, tube inner surface should be free from rust, scratches and other surface


irregularities.


12. CERTIFICATION


Material certificates will be send to u if want.


13. PACKAGE


Anti rust oil to be applied on material and both ends closed by plastic cap and


bundled by steel strips,braiding parcel.


14. SCOPE


Hydraulic cylinder tube for swivel crane, injection machine and construction


machine application.






Grade and Chemical Composition(%):

Grade	Chemical Composition(%):
	C max	Si max	Mn	P max	S max
St 35	0.17	0.35	≥0.40	0.025	0.025
St 45	0.21	0.35	≥0.40	0.025	0.025
St 52	0.22	0.55	≤1.60	0.025	0.025
E215	0.10	0.05	0.70	0.025	0.025
E235	0.17	0.35	1.2	0.025	0.025
E355	0.22	0.55	1.6	0.025	0.025

Mechanical Properties(Mpa):

Steel grade	BK(+C)		BKW(+LC)		BKS(+SR)			GBK(+A)		NBK(+N)
	RmN/mm min	min	RmN/mm min	min	N/mm min	ReH N/mm min	min	N/mm min	min	N/mm min	ReH N/mm min	min
St35	480	6	420	10	420	315	14	315	25	340-470	235	25
St45	580	5	520	8	520	375	12	390	21	440-570	235	21
St52	640	4	580	7	580	420	10	490	22	490-630	355	22
E215	430	8	380	12	380	280	16	280	30	290-430	215	30
E235	480	6	420	10	420	350	16	315	25	340-480	235	25
E355	640	4	580	7	580	450	10	450	22	490-630	355

Contact us if you need more details on Jis G4804 Alloy Steel Pipe. We are ready to answer your questions on packaging, logistics, certification or any other aspects about A355 P11 Alloy Steel Pipe、12x1mf Seamless Alloy Steel Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Precision Steel Pipe