SNB21-4 Stockist, SNB21-4 Equivalent Steel

SNB21-4
2024-06-13 09:09:14   Origin:   Remark:0 Click:

JIS G4108 Material Specifications Bolting Materials for high temperature service SNB21-4 Round bar, Flat bar, SNB21-4 Stock available

MATERIAL TECHNICAL DATA SHEET - JIS SNB21-4

MATERIAL CATEGORY: Alloy steel bolting materials for high temperature service  

MATERIAL SPECIFICATIONS: JIS G4108 -2007

STOCK AVAILABLE - Round bar Diam. 18 ~ 220mm

HEMICAL COMPOSITION (mass weight - %)
Carbon, C (%): 0.36 ~ 0.44
Silicon, Si (%): 0.20 ~ 0.35
Manganese, Mn (%): 0.45 ~  0.70
Phosphorus, P (%) ≤: 0.025
Sulfur, S (%) ≤: 0.025
Chromium, Cr (%):  0.80 ~ 1.15
Nickel, Ni (%):  -
Molybdenum, Mo (%): 0.50 ~ 0.65
Vanadium, V (%): 0.25 ~ 0.35

MECHANICAL PROPERTIES UNDER ROOM TEMP.
Diameter.: 75mm Max.
Tensile strength, Rm ≥ MPa: 930
Yield strength, Rp0.2 ≥ MPa: 825
Elongation, A5≥ (%): 13.0
Reduction of area, Z ≥ (%): 45.0
Hardness | HBW ≤: 269 ~ 331
Diameter.: 75 ~ 150mm Max.
Tensile strength, Rm ≥ MPa: 930
Yield strength, Rp0.2 ≥ MPa: 825
Elongation, A5≥ (%): 13.0
Reduction of area, Z ≥ (%): 45.0
Hardness | HBW ≤: 277 ~ 352

MELTING PROCESS AND FEATURES
The 
steels shall be manufactured by melting process EF + ESR, EAF+ LF + VD, EAF+ LF + VD + ESR, IFF + ESR Melted or by agreement.

PRODUCT PROFILE & DIMENSIONS
Round bar & Disc (diameter): 5.50mm to 350mm
Square bar / Flat bar (Width X Thickness): 10mm to 600mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 300mm X Coil
Steel sheet / plate: T0.50 ~ 50mm X W10 ~ 1200mm X Lmm.

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

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