The scope of use of structural seamless steel pipes includes general building structures and mechanical structures, such as steel structure workshops, automobile chassis, plastic machinery, etc. At present, structural seamless steel pipes have been widely used in construction, machinery, transportation, aviation, oil exploration and other industries
Product specification
|
Commodity |
Seamless Carbon Steel Black Pipe |
|
Size |
OD:20mm-300mm WT:2mm-30mm |
|
honed tube ID tolerance |
H8,H9 |
|
honed tube or SRB Surface roughness |
Ra 0.02— 0.4μm |
|
Length |
According to the request of the clients |
|
Grade |
20#(aisi1020,ck20),45#(aisi1045,ck45),st52(16Mn,Q345D), 25Mn(stkm13c-t), 27SiMn, SAE1026,E355 |
|
Standard |
GB/T8713,GB/T3639,DIN2391 EN10305,ASTMA519 |
|
Delivery condition |
BK,BKW,GBK,NBK,BKS |
|
Place of Origin |
Wuxi,China |
|
MOQ |
5MT |
|
Payment |
L/C or T/T (30% in advance and 70% before delivery) |
|
Technique |
Cold drawing, cold rolling, hot rolling or hot expanding,honed,srb |
|
Usage |
Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building, liquid service , petroleum cracking, chemical fertilizer equipment ,drawing-oil-equipment and structure purposes. |
Testing equipment
Feature
High precision, excellent brightness, no oxidation on the outer and inner walls after heat treatment, and high cleanliness of the inner wall. Steel pipes can withstand high pressures. It does not deform after cold bending, and it is flat and crack-free after flaring. Complex geometry formation and machining can be achieved.
Production equipment
Application
Used in hydraulic systems, automotive applications where high precision, high brightness, cleanliness and mechanical properties are required.
Packing And Shipping
FAQ
Q1: Are You Manufacturer or Trade Company?
A1: We are manufacturer,we have more than 20 years experience for supply Metal material and products domestic.
Q2: How can we guarantee quality?
A2: Always a pre-production sample before mass production; Always final Inspection before shipment;
Q3: What is your terms of payment ?
A3: 1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation
Q4: Can you provide Certificates for materials ?
A4:Yes,we can supply Material Test Certificate.
Q5: Can you provide sample?
A5: Yes, we can provide you sample, but you need to pay for the sample and freight firstly. We will return the sample fee after you make an order.
Hot Tags: seamless carbon steel black pipe, China seamless carbon steel black pipe manufacturers, suppliers, factory, Steel Tube, Galvanized Seamless Steel Tube, CK45 Seamless Steel Tube, ST52 Honed Seamless Steel Tube, Seamless Carbon Steel Pipes, High Precision Seamless Steel Tube
