ASTM A352 LCC — Chemical Composition & Mechanical Properties
ASTM A352 LCC is a low-temperature carbon steel (ltcs) grade for low-temperature steel castings (UNS J02505). This sheet summarises its chemical composition limits, minimum mechanical properties, heat treatment and typical service. Teshi Group manufactures valves with bodies in this grade.
ASTM A352 LCC at a glance
| Specification | ASTM A352 LCC |
|---|---|
| Material family | Low-temperature carbon steel (LTCS) |
| Product form | Low-temperature steel castings |
| UNS number | J02505 |
| Also known as | LCC |
| Document | TG-MG-103 · Rev. 1 · October 2026 |
Typical service
Higher-strength valve bodies for −46 °C service
Heat treatment
Normalised and tempered, or quenched and tempered
Chemical composition of ASTM A352 LCC (weight %)
Single values are maximums unless shown as a range or “min”.
Mechanical properties
| Tensile strength, min | 485 MPa |
|---|---|
| Yield strength (0.2 % offset), min | 275 MPa |
| Elongation, min | 22 % |
| Charpy V-notch test temperature | −46 °C (20 J avg) |
| Hardness | Not specified |
About low-temperature carbon steel (ltcs)
Low-temperature carbon steel (LTCS) is carbon–manganese steel with fine-grain practice and heat treatment chosen to keep its toughness in cold service. Every heat is Charpy impact-tested at the minimum design temperature, which is what separates LTCS from ordinary carbon steel.
Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.
International equivalents of ASTM A352 LCC
All equivalents| Standard system | Nearest equivalent grade |
|---|---|
| USA — ASTM / ASME | ASTM A352 LCC · ASME SA-352 LCC |
| USA — UNS | J02505 |
| Europe — EN designation | G20Mn5 (EN 10213) |
| Europe — W.Nr | 1.6220 |
| China — GB / NB | LCC (GB/T 12229) |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
Other low-temperature carbon steel (ltcs) grades
Low-temperature carbon steel (LTCS) overviewStandards for ASTM A352 LCC
All material standardsFAQ
ASTM A352 LCC: common questions
What is the minimum yield strength of ASTM A352 LCC?
275 MPa, with a minimum tensile strength of 485 MPa.
What is the carbon content of ASTM A352 LCC?
0.25 max %.
How is ASTM A352 LCC heat treated?
Normalised and tempered, or quenched and tempered.
What is the Chinese (GB) equivalent of ASTM A352 LCC?
The nearest Chinese equivalent is LCC (GB/T 12229). Equivalents are close but not identical — compare chemistry and properties before substituting.
Does Teshi Group supply ASTM A352 LCC?
Teshi Group manufactures valves with bodies in this grade. Send your size, rating and quantity to info@teshigroup.com for a quotation with EN 10204 3.1 certificates.
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