catalogue >> Steel Castings for Low Temperature and High Pressure Service

Steel Type	Standard	Country Code	C(%)	V(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)
SCPL1	7149	CNS	<0.3		<0.6	<1.0	<0.04	<0.04	<0.25
SCPL1	G5152	JIS	<0.3		<0.6	<1.0	<0.04	<0.04	<0.25
Gr.LCB	A352	ASTM	<0.3	<0.03	<0.6	<1.0	<0.04	<0.045	<0.5
SCP11	7149	CNS	<0.25		<0.6	0.5-0.8	<0.04	<0.04	<0.35
SCP11	G5152	JIS	<0.25		<0.6	0.5-0.8	<0.04	<0.04	<0.35
Gr.LC1	A352	ASTM	<0.25		<0.6	0.5-0.8	<0.04	<0.045	0.45-0.65
SCPL21	7149	CNS	<0.25		<0.6	0.5-0.8	<0.04	<0.04	<0.35
SCPL21	G5152	JIS	<0.25		<0.6	0.5-0.8	<0.04	<0.05	<0.35
Gr.LC2	A352	ASTM	<0.25		<0.6	0.5-0.8	<0.04	<0.045
SCPL31	7149	CNS	<0.15		<0.6	0.5-0.8	<0.04	<0.04	<0.35
SCPL31	G5152	JIS	<0.15		<0.6	0.5-0.8	<0.04	<0.04	<0.35

Steel castings for low temperature and high pressure service refer to castings made from steel alloys specifically designed to maintain their mechanical properties and functionality under extreme conditions of low temperature and high pressure.

Low temperature and high pressure conditions are often encountered in industries such as oil and gas, chemical processing, and power generation. These environments can lead to material embrittlement, decreased strength, and reduced performance of regular steel castings.

To overcome these challenges, steel castings for low temperature and high-pressure service are manufactured using special alloys with enhanced properties. These alloys are typically designed to provide improved resistance against brittle fracture, increased toughness, and high strength even at sub-zero temperatures.

Some commonly used steel alloys for low temperature and high-pressure service include low alloy steels such as ASTM A352 LCC (Low Carbon Steel Casting) and ASTM A217 WC6 (Chromium-Molybdenum Steel Casting). These alloys have been specifically developed to withstand the combination of low temperatures and high pressures.

Steel castings for low temperature and high-pressure service are fabricated using advanced casting techniques such as investment casting or sand casting. They undergo rigorous testing and quality control procedures to ensure they meet the required standards for pressure containment and low-temperature performance.

These castings are primarily used in critical components of pressure vessels, valves, and pumps that are exposed to extreme operating conditions. By using castings made from alloys specifically designed for low temperature and high-pressure service, industries can ensure the reliable and safe performance of their equipment in challenging environments.