Drill String Cross-over Sub uses AISI4145H chromium-molybdenum steel, execute API specification.We can produce the same-dia type, reducers type and L-type three types, the screw can be cold thread rolling, copper or phosphate treatment.
KUNFENG is the famous steel plate supplier. EN10025-3 S460NL carbon and low alloy steel plate is one of their main steel plate products. EN10025-3 S460NL carbon and low alloy steel plate can be supplied by many suppliers.
The KR AH32 shipbuilding steel plate have yield strength of 45,500 psi (315 MPa), and ultimate tensile strength of 64,000 - 85,000 psi (440-590 MPa).KR AH32 steel plate is a kind of hot rolled high tensile strength steel.
The material 35SiMn is a kind of structural alloy steel under the standard GB/T 3077-1988.any need in 35SiMn steel bar, contact us! we supplier you more information about 35SiMn steel bar.