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Industries OverviewThe company's products are primarily used in industrial equipment sectors such as nuclear power, petroleum, petrochemicals, chemical engineering, power generation, automotive manufacturing, shipbuilding, fertilizer production, pharmaceuticals, papermaking, sugar refining, and machinery manufacturing. -
Products & SolutionsOur Products: Ferrous metal ore raw materials (nickel ore, ferronickel, ferrochrome, ferromanganese, ferrosilicon, etc.), seamless pipes, welded pipes, medium-thick plates, plate coils, bars, wire rods, wire coils, pipe fittings, flanges, castings, etc. -
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Process VisualizationThe company's products are primarily used in industrial equipment sectors such as nuclear power, petroleum, petrochemicals, chemical engineering, power generation, automotive, shipbuilding, fertilizer production, pharmaceuticals, papermaking, sugar refining, and machinery manufacturing. -
About UsTsisco Industrial Ltd. was established in 2010. Originating from the Tsingshan ecosystem’s Shanghai platform, the company now operates independently and focuses on global supply-chain integration, distribution, and import/export of steel and alloy materials. We achieved ISO 9001 certification from TÜV Rheinland in 2012, and ISO 9001, ISO 14001 and ISO 45001 certifications from LRQA in 2022. These accreditations underpin continuous improvement and stable performance in quality, environment, and occupational health & safety.
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Products & Solutions
Heavy Thickness Steel Plates
Heavy Thickness Steel Plates
Medium & Heavy Plates | Global Sourcing for Engineering & Procurement
1. Overview & Supply Scope
• Definition: Hot-rolled or heat-treated steel plates, typical thickness 6–300 mm, width 1,500–4,500 mm, length 6–24 m. Delivery conditions include TMCP, Normalized (N), Normalized Rolled (NR), Quenched & Tempered (Q+T), and Solution Annealed (for stainless).
• Families: C-Mn and HSLA, pressure-vessel/boiler, Cr-Mo creep-resistant, low-temperature Ni steels, offshore/shipbuilding, line-pipe skelp plates, bridge/building structural, weathering, abrasion-resistant, stainless and duplex.
• Sectors: Petrochem, pipelines & offshore, pressure equipment & boilers, power & energy storage, LNG/cryogenic, marine, bridges & buildings, wind and heavy structures, mining & machinery, food/pharma, environmental.
2. Quick Mapping: Application → Material → Standard → Size
1. Pressure vessels & boilers
• Materials: ASME SA-516 (Gr.60/65/70), SA-537 (Cl.1/Cl.2), SA-387 (Gr.11/12/22/5/9/91); EN 10028-2 (16Mo3, 13CrMo4-5, 10CrMo9-10), EN 10028-3 (P275N/P355N/P355NL1/NL2), EN 10028-5 (TMCP fine-grain), EN 10028-6 (Q+T fine-grain); China GB/T 713 (Q345R/Q370R/20R) and Cr-Mo vessel grades.
• Standards: ASME SA-20 (general requirements), EN 10028-1 (general), optional CE/PED compliance.
• Sizes/tests: 8–200 mm typical; UT per ASTM A578 (A/B/C) or EN 10160 (S/E classes); impact as per drawing.
2. Cryogenic & LNG
• Materials: A/SA-203 (Ni 3.5–8%), A/SA-353 (9%Ni DN+T), A/SA-553 (Type I/II 8–9%Ni), EN 10028-4 (X8Ni9), GB 3531 (3.5Ni/5Ni/9Ni).
• Notes: Impact at −196 °C; CTOD (ISO 15653 or BS 7448) if required.
• Sizes/tests: 6–80 mm typical; 100% UT; weldability controlled by Pcm/Ceq.
3. Line-pipe skelp plates (for LSAW/UOE pipe making)
• Materials: API 5L PSL2/PSL3 (X52–X80 and above), ISO 3183, GB/T 9711 (L360–L555).
• Notes: DWTT, HIC (NACE TM0284), SSC (NACE TM0177) as specified; through-thickness properties optional.
• Sizes/tests: 12–50 mm typical, width 2,000–4,300 mm; TMCP or Q+T; UT class and lamellar-tearing resistance per PO.
4. Offshore structures & wind towers
• Materials: EN 10225 (S355G8/G10 M/ML, S420G2 M/ML), API 2W/2H (Grade 50/60/65), DNV offshore grades; wind towers use EN 10025-3/-4 (S355M/ML, S420M/ML, S460M/ML) or GB/T 1591 (Q355D/E, Q420D/E, Q460D/E).
• Notes: EN 10164 Z15/Z25/Z35 or ASTM A770; impact down to −40 °C; coating and Sa 2.5 blasting as required.
5. Shipbuilding & marine
• Materials: A/SA-131 (A/B/AH36/DH36/EH36/EH40), GB 712; supply under ABS/LR/DNV/BV/CCS rules as needed.
• Sizes/tests: 8–80 mm typical; impact and Z-direction per class/drawings.
6. Bridges & buildings
• Materials: ASTM A36, A572 (Gr.50/55/65), A709 (Gr.50/50W/HPS 70W); EN 10025-2 (S235/S275/S355), EN 10025-6 (S690Q/S890Q/S960Q); GB/T 1591 (Q355/Q390/Q420/Q460).
• Weathering options: ASTM A588, EN 10025-5, GB/T 4171.
7. Abrasion-resistant & weathering
• AR: GB/T 24186 (NM360/400/450/500/600); international AR grades (AR400/450/500) supplied to mill specs.
• Weathering: ASTM A588/A242, EN 10025-5, GB/T 4171.
8. Stainless & duplex plates
• Materials: ASTM A240 (304/304L, 316/316L, 321, 347, 904L, N08904, S31254), duplex 2205 (S32205), super duplex 2507 (S32750/S32760); EN 10088-2; JIS G4304.
• Condition/surface: HRAP/No.1; passivation per ASTM A967 if required.
9. High-strength structural & Cr-Mo heat-resistant
• High-strength: ASTM A514 (Q+T), EN 10025-6 (S690Q/S890Q/S960Q), GB/T 16270 (Q690/Q890/Q960).
• Heat-resistant: SA-387 (Cr-Mo series) for hot-service pressure parts.
10. Nuclear & critical pressure equipment (project-specific)
• Materials: ASME SA-533 (Mn-Mo-Ni, Class 1/2), SA-537 (Cl.1/2); supply per RCC-M if specified.
• Notes: full traceability, stringent UT, specified impact and fracture properties.
3. Specs, Tolerances & Inspection
• Dimensions: thickness 6–300 mm (typical 6–150 mm), width 1,500–4,500 mm, length 6–24 m.
• Tolerances: ASTM A6/A6M, EN 10029 (thickness class A/B, flatness normal/special), ISO 7452.
• Surface & edges: EN 10163-2; optional shot-blast & shop-primer (Sa 2.5).
• UT: ASTM A578 (Levels A/B/C) or EN 10160 (S/E classes).
• Through-thickness: EN 10164 (Z15/Z25/Z35) or ASTM A770.
• Toughness & fracture: CVN per PO; DWTT/CTOD for pipeline/offshore as required.
• HIC/SSC: NACE TM0284/TM0177; chemistry limits (Pcm/Ceq) if required.
4. Manufacturing & QA
• Steelmaking: BOF/EAF + LF/VD/VOD/AOD; Ca-treatment and clean-steel control; controlled rolling/cooling or heat treatment to target microstructure.
• Delivery: TMCP, N, NR, Q+T, Solution Annealed (stainless).
• QA backbone: chemistry, tensile, impact, hardness, metallography; UT, Z-direction, HIC/SSC, DWTT/CTOD per spec; EN 10204 3.1/3.2; third-party witnessing on request.
5. RFQ Checklist (copy-ready)
1. Standard & edition (e.g., ASME SA-516-2023, EN 10028-3:2017, EN 10025-6:2019, API 5L PSL2).
2. Grade & delivery condition (e.g., SA-516 Gr.70 N, P355NL2, S460ML (TMCP), S690Q (Q+T), A240 316L (Solution Annealed)).
3. Size: thickness × width × length; exact or multiple length; mill-edge or trimmed.
4. Tolerance/flatness: per ASTM A6/EN 10029; flatness class (normal/special).
5. UT class: ASTM A578 Level B or EN 10160 S2/E2.
6. Z-direction: EN 10164 Z25/Z35 (if required).
7. Toughness & fracture: CVN temp/energy; DWTT/CTOD if required.
8. HIC/SSC & weldability: HIC/SSC tests; hardness and Pcm/Ceq caps (if required).
9. Surface/coating: blast grade, primer system and DFT (if required).
10. Documentation: EN 10204 3.1/3.2, TPI scope, CE/PED or class approvals as needed.
6. Packing & Delivery
• Protection & marking: corner guards, rust inhibitor or VCI, plate stencil (heat no., grade, size, weight, condition, PO).
• Logistics: dunnage and anti-slip spacers; marine moisture protection. CE/PED, class or DNV paperwork available on request.
7. Representative Spec Lines (ready to paste)
• PVQ plate: SA-516 Gr.70 N, 40 × 2,500 × 12,000 mm, ASTM A578 Level B, CVN −46 °C 27 J, MTC 3.1.
• Cr-Mo plate: SA-387 Gr.11 Cl.2, 30 × 2,500 × 10,000 mm, Q+T, EN 10160 S2/E2, MTC 3.1.
• 9%Ni plate: A553 Type I, 20 × 3,000 × 12,000 mm, 100% UT, CVN −196 °C, CTOD per drawing.
• Offshore plate: EN 10225 S355G10+M, 50 × 3,500 × 12,000 mm, EN 10164 Z25, UT S2/E2, CVN −40 °C, MTC 3.2 if required.
• Line-pipe skelp: API 5L PSL2 X70M (TMCP), 22 × 4,000 × 12,000 mm, DWTT pass, HIC/SSC pass, UT S3/E3.
• High-strength: EN 10025-6 S690Q, 60 × 2,500 × 8,000 mm, UT S2/E2, special flatness.
• Stainless plate: ASTM A240 316L (Solution Annealed + Pickled), 12 × 2,000 × 6,000 mm, ASTM A967 passivation, No.1 surface.
Medium & Heavy Plates (Carbon / Alloy / Stainless / Titanium)｜Technical Specifications
1) Scope
Hot-rolled medium & heavy plates (TMCP / N/NR / Q+T) plus stainless & titanium plates for structural/bridge, offshore, pressure vessel/boiler, shipbuilding, cryogenic, chemical/desalination and architectural weathering applications.
2) Standards Matrix
General requirements (must be referenced)
• Structural/alloy: ASTM A6/A6M or EN 10029 + EN 10163-2 + EN 10079
• Pressure vessel: ASTM A20/A20M
• Stainless: ASTM A480/A480M (with ASTM A240)
• UT: EN 10160 (S/E) or ASTM A578 (Level A/B/C)
• Z-properties: EN 10164 (Z15/Z25/Z35)
Structural & High-strength
• EN 10025-2/-3/-4/-6 (S235…S690QL/QL1)
• GB/T 1591 (Q355/Q460/Q690)
• ASTM A572 / A709 (bridges)
Offshore
• EN 10225 (S355Gx/S420Gx/S460Gx, +M/+Q)
• API 2W / 2H
Pressure vessel/boiler
• ASTM A516 (Gr.55/60/65/70, N), ASTM A537 (Cl.1/Cl.2, Q+T)
• EN 10028-2/-3/-5/-6
• GB 713 (Q245R/Q345R/15CrMoR…)
• (Boiler tubing steels noted for cross-reference; plates remain per A516/A537/EN 10028.)
Shipbuilding
• ASTM A131 (A/B/D/E, AH/DH/EH36) + ABS/LR/DNV/BV/CCS
• GB/T 712 (Ship & offshore structural steels)
Stainless (pressure)
• ASTM A240 + A480; EN 10028-7
Cryogenic
• ASTM A203 / A353 / A553-1, EN 10028-4
Titanium
• ASTM B265, GB/T 3621
3) Material Families & Typical Grades
• Structural/bridge: S355J2/M/N, S460M/ML, S690QL/QL1; Q355D/E, Q460D/E, Q690D/E
• Offshore: EN 10225 S355G8+M / S420G2+M / S460G2+M, API 2W Gr.50/60, 2H Gr.50
• Pressure vessel: A516 Gr.70N, A537 Cl.1/Cl.2, P275N/P355N (EN 10028-3), P355ML1/ML2 (-5), P460Q/QL/QL1 (-6), Q245R/Q345R/15CrMoR
• Cryogenic: A203 (Ni steel), A353/A553-1 (9%Ni)
• Ship plate: A/B/D/E, AH/DH/EH36
• Stainless: A240 304/316L/321/347/904L/254SMo, Duplex 2205/2507; EN 1.4301/1.4404/1.4462/1.4410
• Titanium: B265 Gr.1/2/5/7/9
4) Size Capability & Tolerances
• Thickness t: 4.5–150 mm (typical), up to 200+ mm depending on mill
• Width W: 1500–4800/5000 mm; Length L: 3000–20000 mm
• Edges: mill-edge / flame-cut / machined & beveled
• Tolerances/flatness: EN 10029 (flatness Class N/S) or ASTM A6/A480
• Levelness: hot-leveled or tension-leveled as ordered
5) Manufacturing Route
Steelmaking (BOF/EAF → LF/VD/VOD → Ca treatment/low-S) → slab/ingot → reheating → hot rolling (TMCP optional) → accelerated cooling → leveling → heat treatment (N/NR, Q+T, double-normalized & tempered for 9%Ni) → UT → cutting/edge-milling → shot-blast Sa2.5 + shop primer (Zn-rich 20–25 µm) → marking/packing.
Stainless/Ti: pickling/passivation; surface No.1/2B/AP; Ti per B265 (annealed/ML).
6) Properties & Application Mapping
• Bridges/heavy structures: S460M/ML, S690QL/QL1; CVN at −40 °C, EN 10160 S2/E2, Z25/Z35 at restraint zones.
• Offshore: EN 10225 or API 2W/2H; CVN ≤ −40 °C; CTOD as specified.
• General vessels: A516 Gr.70N + A20; UT Level B/C; consider HIC/SSC for sour.
• High-pressure/thick wall: A537 Cl.2 or EN 10028-6 (P460Q/QL).
• LNG/cryogenic: A553-1/A353; −196 °C CVN/DT, UT Level C.
• Shipbuilding: A131 AH/DH/EH36 with class cert; add UT/Z as needed.
• Chemical/desalination: A240 316L/2205/2507/254SMo or B265 Gr.2/7; consider clad plates.
• Weathering: EN 10025-5 / ASTM A588.
7) QA & Testing
• Chemistry/mechanics: OES/ICP, YS/UTS/El, CVN temperature & orientation (L/T)
• UT: EN 10160 S?/E? (S2/E2 typical; S3/E3 for critical) or ASTM A578 Level B/C; define full-plate vs edge-zone scan
• Z-direction: EN 10164 Z15/Z25/Z35; supplier statement on Ca-treatment/low-S/inclusion control
• HIC/SSC: NACE TM0284/TM0177 (if sour)
• CTOD/DWTT: per ISO 12135 / BS 7448 where required
• Surface/flatness: EN 10163-2 / EN 10029 or ASTM A6/A480
• Documentation: EN 10204 3.1/3.2, HT charts, UT/CVN/CTOD reports; class approvals for ship plates
8) Delivery & Packing
Plates, nested parts, beveled parts; steel strapping + edge protectors + wood/steel pallets; anti-slip & moisture protection for sea freight; stenciling with grade/size/heat/PO; surface Sa2.5 + primer or rust-preventive oil.
9) RFQ/PO Checklist
1. Application & standard family (e.g., EN 10025-4 bridge; EN 10225 offshore; A516/A537 vessel; A240 stainless; A353/A553-1 cryogenic; B265 Ti)
2. Grade & delivery condition (e.g., S460M, S690QL, A516 Gr.70N, A537 Cl.2, P355ML2, S355G8+M, A240 316L, B265 Gr.2)
3. Dimensions t × W × L and tolerance standard (EN 10029 Class N/S or ASTM A6/A480)
4. Impact temp/value (−20/−40/−60/−196 °C) & direction (L/T)
5. UT level/coverage (EN 10160 S?/E? or ASTM A578 Level B/C; full vs strip)
6. Z-properties (Z15/Z25/Z35) & cleanness/inclusion control
7. HIC/SSC/CTOD (as applicable)
8. Surface/corrosion protection (black / Sa2.5 + shop primer; edge-milling/bevel per ISO 9692-1)
9. Docs/witness (3.1/3.2, class, TPI points/ITP)
10) Risk Checklist
• Substituting structural for pressure vessel grades (A36/EN 10025 vs A516/EN 10028)
• Using withdrawn DIN instead of EN; missing year of standard
• Vague “UT A/B/C/D” without standard/coverage definition
• No Z-direction for thick restrained joints; no Ca-treatment/low-S requirements
• Impact temperature/orientation unspecified
• Cryogenic service without 9%Ni or equivalent metallurgy
• Offshore/arctic without CTOD
• Stainless/Ti pressure plates without A480/EN 10028-7/B265 general reqs
• Blasting/priming not aligned to ISO 12944/SSPC
11) Sample Spec Lines
• Pressure vessels:
"Plate, ASTM A516 Gr.70, Normalized, t=40mm × W=3000mm × L=12000mm; UT per ASTM A578 Level C (full scan); CVN 27J @ −40°C (L/T); EN 10204 3.2; Edges milled & bevel per ISO 9692-1; A20 requirements apply."
• Offshore:
“Plate, EN 10225 S420G2+M, t=50mm × W=3500mm × L=12000mm; UT EN 10160 S2/E2; CVN 47J @ −40°C; CTOD @ −10°C as specified; Z25; 3.2 by DNV.”
• LNG/Cryogenics:
“Plate, ASTM A553-1 (9%Ni) Q+T, t=30mm × W=2600mm × L=10000mm; UT Level C; CVN 27J @ −196°C; EN 10204 3.2; Heat-treatment charts attached.”
• High-strength bridge:
“Plate, S690QL (EN 10025-6), t=25mm × W=2500mm × L=12000mm; UT S2/E2; CVN 30J @ −40°C; Z25; Flatness per EN 10029 Class S.”
• Stainless steel/chemical corrosion resistant:
“Plate, ASTM A240 316L, t=12mm × W=2000mm × L=6000mm; A480 general requirements; Pickled & Passivated; PMI 100%; 3.1.”
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