Call us on +44 (0) 1709 570212
  • Language

B7

Alias

B7
ASTM A193
UNS S30400

Chemistry

Alloy Steel/Stainless Steel
Base Element Fe(Iron)

Element Min Max
C (Carbon) 0.37% 0.49%
Cr(Chromium) 0.75% 1.2%
Mn (Manganese) 0.65% 1.1%
Mo (Molybdenum) 0.15% 0.25%
P (Phosphorus) 0.035%
S (Sulphur) 0.04%
Si (Silicon) 0.15% 0.35%
Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 860 MPa
0.2% Proof Stress 720 MPa
Elongation 16%
Gauge Length A4D
Hardness (Brinell) 321 HB
Hardness (Rockwell C) 35 HRC

Uses

Bolting for pressure vessels, valves, flanges and fittings for high temperature or high pressure services.

Disclaimer:
Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
This page is protected by copyright but may be freely distributed but not reproduced without permission.

error: Content is Copyright Tachart Bolt & Nut Manufacturing !!