Seamless Steel Tubes for Hydraulic Prop (GB/T 17396 30MnNbR
Product Categary:
Cold Drawn Seamless Tubes (Mec
Main Feature:
Jiangsu Haohua Industry Group as one of the leading suppliers in China to supply Seamless Steel Tubes for Hydraulic Prop for petroleum industry and Heat Exchanger industry and Machining Industry etc.
product description
Seamless Steel Tubes for Hydraulic Prop (GB/T 17396 30MnNbRe)
Commdity name: Seamless Steel Tubes for Hydraulic Prop
Standard:
China National Standard
Uses:
For manufacturing cylinder and piston of hydraulic props for coal mine or other purposes
Size: As agreement
Package type: In bundle with Plastic protective film
Chemical Composition and Mechanical Properties pls check our excell as below,
| Standard | Grade | C | SI | MN | P | S | CR | NI | CU |
| GB/T 17396 | 30MnNbRe | 0.27-0.36 | 0.50~0.80 | 1.10~1.40 | ≤0.035 | ≤0.035 | ≤0.030 | ≤0.030 | ≤0.030 |
| Mechanical Properties | |||||||||
| Grade | Test piece with heat treatment | Yield strength | Tensile strength | Elongation | Impact energy | HBW | |||
| /not less than | |||||||||
| 30MnNbRe | 880 centigrade±20 centigrade/Water quench | 850 | 725 | 13 | 49 | - | |||
| 450 centigrade±50 centigrade/Temper | |||||||||
| /Cooling: air | |||||||||
