Designation Cross-Reference

SCPH 2 — ASTM Equivalent

Holding a datasheet that specifies SCPH 2 (JIS)? The valve-grade equivalent, its properties, and certified supply of the matching ASTM grade.

What is the ASTM equivalent of SCPH 2?

SCPH 2 is a JIS designation corresponding to ASTM A216 WCC (Carbon Steel WCC) for industrial valve service. The full grade data is below - equivalence is by nominal chemistry and mechanical class, so confirm composition and heat-treat condition against the governing standard before substituting in critical service.

A216 WCC

Carbon Steel

Carbon Steel WCC - cast form.

Service temperature-29°C to +538°C

Nominal compositionC ≤ 0.25%, Mn ≤ 1.20%, Si ≤ 0.60%, P ≤ 0.035%, S ≤ 0.035%. Carbon equivalent: Ceq ≤ 0.55%. Higher Mn than WCB gives elevated strength.

Typical service: High-pressure steam up to Class 900; Crude oil, refined products, and natural gas in high-pressure lines; Utility water and condensate at elevated pressure

Also designated:Group 1.1 (same as WCB) [ASME B16.34]GP240GH (1.0619) [EN]Grade 480 [BS]SCPH 2 [JIS]

Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials

A216 WCB Carbon Steel

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Engineering references

A216 WCC full grade pageCarbon Steel WCC Equivalence MatrixAll 43 grades across 7 systems Designation lookup directoryEvery foreign designation indexed