Hard Chrome Plated and Honed Seamless Carbon Steel Tube AISI 1045 Ck45 S45c St52 E355

• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Usage: Hydraulic/Automobile Pipe, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Transport Package: Seaworthy Export Packing
• Model NO.: CXHT-1
• Specification: 60mm-325mm
• Trademark: Chengxin, OEM
• Origin: Jiangsu, China
• HS Code: 84129090
• Production Capacity: 50000 Pieces/Year

Product Description

PART I: PRODUCT INTRODUCTION
1. Description: Hard chrome plated and honed seamless carbon steel tube
2. Size range: ID of 60mm-325mm
3. Available steel grade:

SAE/AISI	1045, 1518,1524
DIN	ST52
EN	E355, C45E, CK45,S45C

4. Manufacture procedure: External surface machining, deep hole boring+internal honing+hard chrome plating+polising to roughness of Ra0.25um max.
5. External surface machining and turning as per drawing or requirement.
6. Thickness of hard chrome plating: as per requirement. 
7. Hardness of chrome plating: HV850 min at the option of the buyer.
8. Bore roughness after hard chrome plating: Ra0.25um max.
9. ID tolernace: +0/+0.1mm
10. Standard export packing: by plywood boxes.
11. Customized packing and marking can be provided upon request. 

CONCRETE DELIVERY CYLINDER: MADE FROM COLD DRAWN TUBES AND PAINTED


CONCRETE DELIVERY CYLINDER: MADE FROM HOT ROLLED SEAMLESS PIPES


CONCRETE DELIVERY CYLINDER: EXTERNALLY MACHINED SURFACE


CONCRETE DELIVERY CYLINDER: WELDING,TURNING AS PER DRAWING 


CONCRETE DELIVERY CYLINDER: PACKING


PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: Generally Min Order Quantity can be 1 piece/size. 
2. Delivery Time: Generally, delivery time is around 40-60 days depending on availability of raw material.
3. Warranty&Guarantee: Warranty&guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment. 
4. Payment Method: We accept payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and time and amount of D/P we can release is determined by the evaluation. 
5. Quality Control: 90% of the tubes are made from hot rolled seamless pipes. So, quality of raw material determined quality of finished tubes. We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage.