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BS S151 Round bar, S151D Flat bar Available

Product parameters
Material Category:: Martensitic Stainless Steel Series
Material Technical Standards:: ASTM A565 / A565M
Terms of Price:: Ex works, CIF, CFR
Stocklist & Inventory Available:: Diameter 50 ~ 230mm
Min. order quantity Per Batch:: 200 KG
Certification:: Commercial Invoice, Packing list, CO, Bill of lading, Origin of Certificate, Form E
Production Lead Time:: Within 25 days after 30% deposit prepayable
Company ISO Register No:: UQ211218R0
INQUIRY
Description
AEROSPACE MATERIAL SPECIFICATION - Grade BS S151 & S151D & M-152

TECHNICAL SPECIFICATIONS - ASTM A565
OFFICIAL TEST CERTIFICATE - issued by TUV - SGS -  BV

CHEMICAL COMPOSITION (mass weight - %)

C (%):     0.08 ~ 0.15
Si (%):     ≤ 0.35
Mn (%):   0.50 ~ 0.90
P (%)≤:   0.025
S (%)≤:   0.015
Cr (%):    11.0 ~ 12.5
Mo (%):   1.50 ~ 2.00

Ni (%):     2.00 ~ 3.00
V (%):     0.25 ~ 0.40
N (%):      0.01 ~ 0.05
TYPICAL MECHANICAL PROPERTIES
Tensile strength, σb≥ /MPa: 1100
Yield strength, σs≥ /Mpa: 860
Elongation, δ5 ≥(%): 12.0
Hardness HBW: 341 ~ 375

Hardness HBS: 310 max in annealed condition
HEAT TREATMENT PRACTICE
Annealed: 691° C (+/-11) for 6 hours min followed by air cool
Hardened:1052° C (+/-) for 30 mins followed by oil quench
1st Tempered: 560-590° C for 1 hour min followed by air cool
2nd Tempered: 538-560° C for 3 hours min followed by air cool

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