ATERIAL CATEGORY: Ni - Cr - Mo alloy steel
MATERIAL SPECIFICATIONS - PD970 -2005
MAIN FEATURES: EN 30B is a 4.0% Ni-Cr-Mo high hardenability, high tensile strength steel.
CHEMICAL COMPOSITIONS (mass weight %)
Carbon, C (%): 0.28 ~ 0.34
Silicon, Si (%): 0.10 ~ 0.35
Manganese, Mn (%): 0.45 ~ 0.60
Phosphorus, P (%)≤: 0.025
Sulfur, S (%)≤: 0.015
Chromium, Cr (%): 1.10 ~ 1.25
Nickel, Ni (%): 4.00 ~ 4.30
Molybdenum, Mo (%): 0.20 ~ 0.35
TYPICAL MECHANICAL PROPERTIES
Tensile strength,σb/≥ MPa: 1050
Yield strength, σ0.2/≥ MPa: 897
Elongation, δ ≥(%): 13.0
Reduction of area, (%): 50.0
Annealed hardness, HB ≤: 321 ~ 363
MELTING PROCESS
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, LF + Electroslag remelting (ESR).
For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
PRODUCT PROFILE AND DIMENSIONS
Round bar (Diameter): 5.5 to 500mm
Square bar / Flat bar: T3 to 500mm X W3 ~ 1200mm
Wire rod (Diameter): 0.30 to 13mm
Steel strip: THK0.15 ~ 2.50 X Width 8.0 ~ 185mm
Length: Fixed length, random length or based on the customer's special requirement.
Other different shapes based on OEM.
ADVANTAGE & SUPERIOR SERVICE
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
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