ASTM A453 Gr.660 A/B/C/D high temperature alloy bar
Tianjin Huaan International Trade Co., Ltd(former Tianjin
Huaanxuyang Steel Trade Co., Ltd) is a professional supplier of
stainless steel, anti-corrosion alloy, high temperature alloy and
ASTM A453 Gr.660 A/B/C/D high temperature alloy bars supplied by
Huaan International were exported to Korea, Iran, Italy and other
counties all over the world.
ASTM A453 specification covers standards for Grade 660 (Class A, B,
C, and D) , Grade 651 (Class A and B), Grade 662 (Class A and B),
and Grade 665 (Class A and B) of bolting materials,with ten classes
of yield strength ranging from 50 to 120 ksi [345 to 827 MPa], for
use in high-temperature service such as fasteners, for pressure
vessels and valve flanges. Bolting materials in ASTM A453 are
covered rolled, forged, or hot-extruded bars, and also bolts, nuts,
screws, washers, studs, and stud bolts.
Materials shall adhere to specified contents of carbon, manganese,
phosphorus, sulfur, silicon, nickel, chromium, molybdenum,
tungsten, titanium, columbium, aluminum, vanadium, boron, and
copper.According to ASTM A453 materials shall be subjected to
tension, stress-rupture, and hardness tests. Materials shall
conform to yield strength, tensile strength, elongation, reduction
of area, Brinell hardness, and Rockwell hardness requirements.
Hardening and solution treatment requirements for each material
class are also given.
Please feel free to contact Allen Sun for more details of the
product and the order.