735A51 / EN47
2018-05-11 16:42:02   Origin：   Remark：0 Click：

RAW MATERIAL SPECIFICATIONS - Grade 735A51 & EN 47

Material Cateory: Alloy Spring steel
Material Specifications - BS 970-2 -1988
Special Melting process: Consumable electrode remelted
H S Code for Customs: 7228 4000 / 7228 5000 / 7228 6000
Official Test Report: issued by TUV - SGS -  BV
Chemical Elements - (mass weight - %)
Carbon, C (％): 0.48 ~ 0.54
Silicon, Si (%): 0.20 ~ 0.35
Manganese, Mn (％): 0.70 ~ 1.00
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.035
Chromium, Cr (%): 0.90 ~ 1.20
Molybdenum, Mo (%): -
Vanadium, V (%): 0.10 ~ 0.20

TYPICAL MECHANICAL PROPERTIES
Tensile strength,σb/≥ MPa: 1275
Yield strength, σ0.2/≥ MPa: 1125
Elongation, δ ≥(％): 10.0
Reduction of area, (%): -
Condition of delviery: hot rolled
Annealed hardness, HB ≤: 321

MELTING PROCESS
This alloy is generally air melted of Non-VIM + ESR, Electric Arc Furnace (EAF), EAF+LF+VD, EF + Electroslag remelting ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.

FORMS AND DIMENSIONS
Round bar & Disc (diameter): 5.5mm to 850mm
Square bar / Flat bar: THK1.0 to 200mm X Width 3 ~ 450mm
Length: Fixed length or random length or based on the customer's special requirement.
Other different shapes based on OEM.

TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. - Email: sales@ccsteels.com.