Factory Direct Sales Carbon Steel Pipe Honing Seamless Steel Tubes 1" Sch 40 St37 St52 1020 1045 A106b Fluid Seamless Cylinder Tube Cylinder Tube

Basic Info

Model NO.	Sch 40 St37 St52 1020 1045 A106b
Usage	Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape	Round
Keyword	DIN2391 St52.3 St52 H8 Honed Pipe Honing Tube
Thickness	3-30mm
Length	1-10m
Internal Diameter	40-200mm
Transport Package	Seaworthing Packing
Specification	As customer demands
Trademark	Guangbo
Origin	China
HS Code	72169900
Production Capacity	5000000tons /Year

Product Description

Product Parameters

1. Hydraulic Cylinder Tube------Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.
2. Honed tube ----- used in Elevator buffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube,ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.
3. Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11M.

OD	GB/T3639		DIN2391(EN10305)	Our Tolerance	Best Quality
31-40mm	±0.15mm		±0.15mm	±0.05mm	±0.03mm
41-50mm	±0.20mm		±0.20mm	±0.05mm	±0.03mm
51-60mm	±0.25mm		±0.25mm	±0.08mm	±0.03mm
61-70mm	±0.30mm		±0.30mm	±0.10mm	±0.05mm
71-160mm	±0.30mm		±0.30mm	±0.10mm	±0.05mm
160mm-230mm	±0.50mm		±0.50mm	±0.40mm
Tolerance in WT	±0.12mm		±0.10mm	±0.05mm	±0.03mm
PROCESS
Process	Diameter		Length
Cold Rolled	30-100mm		≤10 m
Cold Draw	30-250mm		≤10 m
Honing	40-500mm		≤10 m
Skived burnished	40-400mm		≤76m
HONED OR SRB TUBE TOLERANCE
Inner Diameter	H8	H9		H10
30mm	±0.033	±0.052		±0.084	5-30mm
30-50mm	±0.039	±0.062		±0.100	±0.080
50-80mm	±0.046	±0.074		±0.120
80-120mm	±0.054	±0.087		±0.140
120-180mm	±0.063	±0.100		±0.160
180-250mm	±0.072	±0.115		±0.185
250-315mm	±0.081	±0.130		±0.210

Detailed Photos

Our Advantages

FAQ

Q: Can you send samples?

A: Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.

Q: What product information do I need to provide?

A: Quality grade, width, thickness, coating, and the number of tons you need to purchase.

Q: What are the shipping ports?

A: Under normal circumstances, we ship from Shanghai, Tianjin, and Qingdao ports, you can choose other ports according to your needs.

Q: About product prices?

A: Prices vary from period to period due to cyclical changes in the price of raw materials.

Q: How long does your delivery time take?

A: In general, our delivery time is within 7-15 days, and may be delayed if the demand is extremely large or special circumstances occur.

Q: Can I go to your factory to visit?

A: Of course, we welcome customers from all over the world to visit our factory. However, some of the plants are not open to the public.

Q: Does the product have a quality inspection before loading?

A: Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.

Q: How to pack the products?

A: The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.