14Cr1MoR | Applications

14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate) is specified for industrial fabrications where the drawing or material list names this grade. This applications page explains where the grade is used, what service conditions drive selection, and which certificate details belong on the purchase order. Gangsteel supplies 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate) with EN 10204 mill test certificates.

Typical Applications and Service Conditions

14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate) plate is ordered for pressure equipment, process vessels, heat-exchanger related fabrications, structural members under the governing code, and project packages that call the grade by name. Match the mill test certificate grade mark to the calculation sheet; do not treat near-equivalents as automatic substitutes.

Service drivers include the design temperature and pressure of the governing code (ASME, EN/PED, class society, or project specification), weld procedure qualification needs, toughness or creep allowables where applicable, and inspection scope. Delivery condition Normalized and tempered (typical for 14Cr1MoR) should be stated explicitly on the purchase order.

Industry Use Cases

Pressure equipment and process: shells, heads, and related platework when drawings name 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate). Power and energy: boiler and heat-recovery fabrications under the ordered edition. Marine / offshore (when classed): only when the society material list names this exact grade stamp. Always keep heat-number traceability on cut pieces.

Chemical Composition - Supporting Data (14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate))

Heat analysis for 14Cr1MoR under GB 713 family. Newer GB/T 713.2 editions may tighten residuals - confirm ordered edition on the MTC.

Element / rule	Requirement
C, max	0.17
Si	0.50-0.80
Mn	0.40-0.65
P, max	0.020
S, max	0.010
Cr	1.15-1.50
Mo	0.45-0.65

Mechanical Properties - Supporting Data (14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate))

Confirm thickness, specimen orientation, and any supplementary impact, UT, or hardness requirements on the PO.

Property	Requirement
Tensile (6-100 mm typical)	520-680 MPa
Yield min (6-100 mm typical)	310 MPa
Tensile (>100-150 mm typical)	510-670 MPa
Yield min (>100-150 mm typical)	300 MPa
Elongation A, min	19%
Delivery	Normalized and tempered (typical)

Related / Near-Equivalent Grades

Near-equivalents are for cross-reference only. They are not automatic code substitutes. Substitution requires engineer approval and matching certificate scope.

System	Grade	Note
ASTM / ASME	A387 / SA387 Grade 11 Class 2	1.25Cr-0.5Mo twin family - confirm tensile class
EN 10028-2	13CrMoSi5-5 / 13CrMo4-5 (approx.)	Confirm edition
GB	15CrMoR	Related Cr-Mo; different C/Cr band

Frequently Asked Questions

Where is 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate) typically applied?

14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate) is applied where design documents, class material lists, or purchaser specs name this grade for pressure, process, structural, or marine fabrications as applicable. Match the MTC marking to the drawing.

What service conditions drive selection of 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate)?

Design temperature and pressure, toughness or creep allowables, weldability, corrosion or process media, and the governing code edition drive selection. Delivery condition Normalized and tempered (typical for 14Cr1MoR) must align with the ordered specification.

Can a near-equivalent replace 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate) on an applications drawing?

Not without redesign and written approval. Near-equivalents differ in chemistry, heat treatment, impact temperature, or product form. Commercial swaps create non-conformance when the dossier names 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate).

What fabrication notes matter for 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate)?

Use approved WPS/PQR packages for the thickness and filler, control heat input, and preserve heat-number traceability on cut pieces. State any supplementary UT, PMI, or impact tests on the purchase order.

What certificate and marking should an applications PO demand?

EN 10204 3.1 is standard; 3.2 when a purchaser-appointed inspector witnesses tests. The MTC should show heat analysis, tensile results, delivery condition, and heat number aligned with 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate).

How should I RFQ 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate) plate from Gangsteel for a project?

Send 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate), thickness x width x length (or nesting list), quantity, delivery condition, optional NDT/PMI, certificate type, destination, and any dual-mark needs. Note the end use when special flatness or cut-to-size packaging is required.

Ordering and Mill Certificates

State grade 14Cr1MoR (GB/T 713 Cr-Mo pressure-vessel plate), dimensions, quantity, delivery condition, optional NDT/PMI, and certificate (EN 10204 3.1 standard; 3.2 when third-party inspection is ordered). Gangsteel supplies export plate and related products with mill test certificates. Contact Gangsteel for stock and mill production RFQs.