Product Details

Product Description

1. Commodity: SAE4130 honed cylinder barrel

2. Size range: ID of 300mm max, Length of 2800mm max.

3. Grade: ST52, E355,E410,E470,25CrMo4,42CrMo4,C45E,SAE1020,SAE1026,SAE1045,SAE4130,SAE4140,etc.

4. Manufacture method: Cold drawn+honed+machined, Hot rolled+machined+deep hole bored+honed

5. Delivery condition: Annealed for stress relieving,normalized,Quenched+Tempered.

6. ID tolerance: H8

7.Machining as per drawing.

Material chemical composition of cylinder barrel:

Material	Chemical composition
	C (%)	Si (%)	Mn (%)	P (%)	S (%)	Cr (%)	Mo (%)
SAE1020/AISI1020	0.17-0.24	0.17-0.37	0.4-0.7	0.030 max	0.025 max	-	-
SAE1026/25Mn	0.22-0.28	0.15-0.35	0.6-0.9	0.030 max	0.030 max	-	-
SA1045/S45C,CK45,C45E	0.42-0.50	0.17-0.37	0.5-0.8	0.030 max	0.025 max	-	-
ST52/ST52.3/ST52.4/E355	0.22 max	0.55 max	1.60 max	0.025 max	0.025 max	-	-
27SiMn (Chinese steel grade)	0.24-0.32	1.1-1.4	1.1-1.4	0.035 max	0.035 max	-	-
SAE4130/34CrMo4	0.28-0.33	0.15-0.35	0.4-0.6	0.035 max	0.035 max	0.9-1.2	0.15-0.30
SAE4140/42CrMo4	0.38-0.45	0.4 max	0.6-0.9	0.035 max	0.035 max	0.9-1.2	0.15-0.30

Mechanical properties of cylinder barrel:

Material	Requirement of mechanical properties
Material	BK		BKW		BKS			Normalized
A106 B/SAE1020	580 Min	5 Min	520 Min	8 Min	As per requirement			As per requirement
SA1045/S45C,CK45	645 Min	4 Min	630 Min	5 Min	As per requirement			As per requirement
ST52/ST52.3/E355	640 Min	4 Min	580 Min	7 Min	580 Min	420 Min	10 Min	As per requirement
SAE4130/34CrMo4	-	-	-	-	720 Min	580 Min	10 Min	As per requirement
SAE4140/42CrMo4	-	-	-	-	855 Min	689 Min	10 Min	As per requirement

Packaging & Shipping

Packing: each piece of hydraulic cylinder barrel will be well packed and put into wooden boxes.

Our Services

Most of the time, drawing is necessary to produce the hydraulic cylinder barrels. If drawing is not available, we can provide drawings according to your detailed technical requirements.

Company Information

We are ISO9001-2008 certified manufacturer and we provide OEM service for hydraulic cylinder manufacturers from all over the world.

FAQ

Payment method: 30% deposit,balance before shipment or copy of B/L or L/C at sight.

MOQ: 1 piece for each design.

Trade term: FOB,CFR,CIF,DAP.

Warranty: 1 year after shipment of cylinder barrels.

Customer's inspection or third party inspection is accpetable.