Product Details
Place of Origin: China
Brand Name: Hongbao
Certification: TS16949, ISO9001, OHSAS18001 etc.
Model Number: HBPST-1
Payment & Shipping Terms
Minimum Order Quantity: 1 ton
Price: Negotiable
Packaging Details: Seaworthy Wooden box, customized Packing
Delivery Time: 30 Days
Supply Ability: 60000 MT per Year
Shape: |
Round |
Application: |
Automotive Part, Hydraulic System, High-precsion Machining. Etc. |
Delivery Condition: |
+C,+LC，+SR，+N，+A |
Standard: |
DIN2391, DIN2445 |
Certificate:: |
TS16949,DNV,PED,ISO |
Type:: |
Welded Or Seamless |
Shape: |
Round |
Application: |
Automotive Part, Hydraulic System, High-precsion Machining. Etc. |
Delivery Condition: |
+C,+LC，+SR，+N，+A |
Standard: |
DIN2391, DIN2445 |
Certificate:: |
TS16949,DNV,PED,ISO |
Type:: |
Welded Or Seamless |
Round Steel Pipe DIN2391 DIN2445 St37.4 High Precision Seamless Steel Tubes
Chemical Component
C: ≤0.17%;
Si: ≤0.35%;
Mn: ≤1.2%;
S: ≤0.025%;
P: ≤0.025%;
Mechanical properties:
Tensile strength: 340-480mpa;
Yield strength: ≥235Mpa;
Elongation: ＞25%;
Main Date
| Standard | DIN2391,DIN2445 |
| Material | St37.4 |
| Outer Diameter Range: | 4-120mm |
| Wall Thickness Range: | 0.5-15mm |
NBK(+N): After the final cold drawing operation the tubes are normalized in a controlled atmosphere.
GBK(+A): After the final cold drawing process the tubes are annealed in a controlled atmosphere.
BK(+C): No heat treatment after the final cold drawig process.
BKW(+LC): After the final heat treatment there is a suitable drawing pass.
BKS(+SR): After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
Surface treatment:
Oil-dip;
Varnish;
Shot Blasting;
As customer's requirements.
lab:
We have our own lab to control the material and the product meet the international standard.
