Features of Pipe Series of high-precision bright Steel Tube
Special Steel Tube Hydraulic System of Construction Machinery:
(1)The Main Standard
EN10305 DIN2391
DIN1629 GB/T3639
(2)The Features Of Product
1.Steel wall without oxide layer
2. No cracks wide mouth squash
3.To withstand high pressure without cracking
4. Cold is not deformed
5. High-precision high-quality finish high cleanliness
(3)The Main Material
10#(St37.4,St35,E235), 20#(St45,E255), 35#(St-55), 45#(ck45)
Q195 Q235 Q345
