GTD 450 / C450 / B50A789 Blade Steel Flat bar - Speciality - Special Steel Stockist
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GTD 450 / C450 / B50A789 Blade Steel Flat bar
2023-05-31 08:35:43   Origin:   Remark:0 Click:

Martensitic Steel GTD 450, a 15% Chromium - 6.0% Nickel C-450 Round bar, flat bar, forgings, Steelmaking, ESR melting, Hot forging / rolling, Heat treatment.
RAW MATERIAL SPECIFICIATONS - Grade GTD 450 & C-450 & B50A789

OFFICIAL TEST CERTIFICATE: issued by TUV - SGSBV
MATERIAL CATEGORY: High temperature alloy steel
MATERIAL SPECIFICATIONS: Cr-Ni-Cu-Nb Fe Alloy per Specification B50A789
Stock on hand: Diameter 20 ~ 180mm, Flat bar 57 X 95mm / 102 X 203mm (4 " X 8" X Lmm)
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (%):  0.03 ~ 0.05
Silicon, Si (%):  0.20 ~ 0.50
Manganese, Mn (%):  0.30 ~ 0.80
Phosphorus, P (%)≤:  0.020
Sulfur, S (%)≤:  0.005
Chromium, Cr (%):  14.0 ~ 16.0
Nickel, Ni (%):  6.20 ~ 6.80
Molybdenum, Mo (%):  0.60 ~ 1.00
Copper, Cu (%):  1.35 ~ 1.75
Niobium, Nb (%):  8 X C ~ 15 X C
Vanadium, V (%):  ≤ 0.10
Nitrogen, N (%):  ≤ 0.030
Other (%): Al ≤ 0.030, Ag ≤ 0.005, Pb ≤ 0.005, Sn ≤ 0.10
MECHANICAL PROPERTIES UNDER ROOM TEMP.  
Condition of heat treatment: Solution and aged
Tensile strength, σb ≥/MPa: 1010 ~ 1220
Yield strength, σ0.2 ≥/MPa: 917
Elontation, δ ≥(%): 15.0
Reduction of area, ф ≥(%): 50.0
Hardness | HBW: 302 ~ 363
Impact, Charpy V: 68J min. 
TECHNICAL SALES ASSISTANCE & SERVICE
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.
If you meet further on any technical inquiry, pleased to EMAIL our resident team of qualified production engineers, Email us: sales@ccsteels.com.

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