SAE 4140 Alloy Steel Hollow Bar

SAE 4140 Alloy Steel Hollow Bar

Portion I: Merchandise INTRODUCTION
one. Description: 
Hollow bar is a variety of thick wall seamless tube or pipe. In Xihu (West Lake) Dis.n, we can source cold drawn hollor bars, very hot rolled+deep hole bored hollow bars, and very hot rolled or forged+deep gap drilled hollow bars for our clients, and machining&turning provider as for every drawing is CZPT.   
two. Commodity: SAE 4140 alloy metal hollow bar 
three. Available metal gardes:

ASTM A519: SAE1571,SAE1026,SAE1045,SAE1518,SAE1524,SAE1541, SAE4130,SAE4140,SAE4145,SAE4340,SAE8620
DIN 2391-two: ST45,ST52
EN 10305-one: E235,E355,C35E,C45E,25CrMo4,34CrMo4,42CrMo4,

5. Size selection: 

OD:  80mm- 325mm
W.T: not constrained
Size: 2200mm max

six. Manufacture strategy: CZPT cold drawn, hot rolled+deep gap boring, hot rolled+deep hole drilling
seven. Shipping Problem:

BKW BKS GBK NBK Q+T
+LC +SR +A +N
Cold drawn Stress relieved Annealed Normalized Quenched+tempered

8. Turning&machining: as for every drawing
9. CZPT export packing: sea-worthy export packing.
10. CZPTized packing or marking are CZPT on request.

DEEP Gap BORED HOLLOW BAR:

MACHINED&TURNED HOLLOW BAR:

Chilly DRAWN HOLLOW BAR:

Component II: Regularly Requested Queries
one. MOQ: 
5 tons/dimension based on the dimensions.
two. Supply Time: thirty-forty five times regular.
3. Warranty&Assure: Guarantee&assure period is 6 months since we produce the tubes, and we are not responsible for high quality issue induced by mistaken unloading or storage right after cargo. We welcome customer’s inspection before shipment. 
4. Payment Method: We take payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to consider the credit history of customers from all in excess of the entire world, and time and quantity of D/P we can launch is determined by the evaluation. 
five. Quality Management: We obtain raw content from steady suppliers who are top steel mills, and we inspect the uncooked material as for every the requirements. For the duration of our manufacturing treatment, there is inspection and good quality manage in every single phase.

Component III: Business INTRODUCTION
We are a manufacturer of chilly drawn, chilly rolled, and hydraulic cold drawn steel tubes with OD upto 356mm considering that 2002. Masking an spot of about 32000M2, we have 12 regular workshops with  two hydraulic cold drawing benches, 4 chain chilly drawing benches, and 2 ERW mills. Our services covers all the production methods from pickling, chilly drawing,heat treating,noticed chopping, straightening,inspection,packing to more machining &turning, cold drawing die fabrication, and equipment repairation&maintenance.

Manufacturing unit Visual appeal:

HYDRAULIC Chilly DRAWING BENCH:

DEEP Gap Dull/DRILLING Machine:

LATHES:

SKIVING&ROLLER BURNISHING:

HONING:

 

SAE 4140 Alloy Steel Hollow Bar