ASTM A387 Grade 11 Class 2 Cr-Mo Alloy Pressure Vessel Steel Plate - SHH ST

ASTM A387 Grade 11 Class 2 Cr-Mo Alloy Pressure Vessel Steel Plate -
SHH STEEL

1. Product Introduction
SHH STEEL supplies ASTM A387 Grade 11 Class 2 / A387 Gr.11 Cl.2
1.25Cr-0.5Mo vessel plate worldwide, 515–690 MPa tensile, 310 MPa
yield. EN 10204 3.1/3.2 mill-direct supply. Applications: 1.25Cr-
0.5Mo boilers, Elevated-temp vessels, ASME Code dual-name. Equivalent
Grades: EN 10028-2 13CrMoSi5-5 / JIS SCMV2 Cl2 / GB 15CrMoR —
Material Specification: ASTM A387 / ASME SA-387 — Delivery:
Normalized + Tempered (N+T); max ~75 mm. ASTM A387 Grade 11 Class 2,
also searched as A387 Gr.11 Cl.2, A387GR11CL2, A387GR11 CL2,
A387GR.11 Class 2, A387-11 Cl.2 and SA387 Grade 11 Class 2, is the
higher-strength class of Grade 11 in ASTM A387/A387M. The book is
chromium-molybdenum plate for welded boilers and elevated-temperature
vessels. Nominal alloy is 1.25Cr-0.50Mo. This page is not Class 1.
Class 1 is 415–585 MPa. This page is not ASME SA387 Grade 12 Class
2. Grade 12 is 1Cr-0.5Mo. This page is not ASME SA387 Grade 22 Class
2. Grade 22 is 2.25Cr-1Mo. This page is not ASME SA204 Grade B. SA-
204 is Mo-only plate. Tensile is 75–100 ksi / 515–690 MPa. Yield
is 45 ksi / 310 MPa min. Class 2 values are not used on annealed
plate.

2. Standards We Can Supply
ASTM A387 / ASME SA-387 — Delivery: Normalized + Tempered (N+T);
max ~75 mm. Equivalents: EN 10028-2 13CrMoSi5-5 / JIS SCMV2 Cl2 / GB
15CrMoR — Material Specification: ASTM A387 / ASME SA-387 —
Delivery: Normalized + Tempered (N+T); max ~75 mm.

3. Grades We Can Supply
ASTM A36/SA36, A283 Gr.C, A285 Gr.C, A515 Gr.70, A516 Gr.60/70
(SA516), A537 Cl.1, A572 Gr.50/60, A387 Gr.11/22 Cl.2, A514 Gr.Q, EN
10025-2 S355J2.

4. Size Range
Sizes per order; contact us for available range.

5. Processing
Flame/plasma cutting to size or drawing, cut-to-length, bending and
forming, welding and CNC machining services.

6. Delivery Time
Stock: 5-6 days. Normal production: 30-40 days.

7. Payment Terms
T/T and L/C accepted; specific payment terms are negotiated per
order.

8. Trade Terms
FOB / CIF / CFR.

9. Delivery Condition
Normalized + Tempered (N+T); max ~75 mm.

10. Quality Assurance
Mill test certificate supplied to EN 10204 3.1/3.2 as stated for this
grade.

11. Company Capability
SHH STEEL (Shanghai Shenghonghe Import & Export Co., Ltd.) is a China
mill-direct steel exporter serving manufacturing, energy,
construction, marine, petrochemical and machinery industries, with
custom sizes and in-house cutting, forming, welding and machining.
Export seaworthy packing.

12. Contact
Email: admin@steelspecs.com
Website: https://www.steelspecs.com/

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