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Gangsteel – China's Leading Mill-Direct Supplier & Exporter of S460M Equivalent China GB Grade Steel Plates
Gangsteel is the professional supplier you can trust for S460M equivalent China GB grade plate, with the largest permanent stock in Asia – over 5,000 tons always ready in thickness 6–200 mm, width 1500–4200 mm, length up to 18 meters. All plates are genuine TMCP (thermomechanical controlled process) produced by top mills (HBIS, Shougang) with full European approvals and third-party inspection (DNV-GL, ABS, LR, BV, CCS, KR, TÜV, SGS).
We supply S460M equivalent to China GB/T 1591 Q460C/D with full dual-certification, Z35 through-thickness quality in stock, 100 % UT EN 10160 S2/E2 standard, and full documentation.
Immediate delivery worldwide in 3–7 days. Full processing services available.
Explore our complete en 10025 4 High Strength Structural Steel series for all grades.
S460M equivalent China GB grade refers to GB/T 1591 Q460C (standard temp) or Q460D (low temp), which closely matches S460M under EN 10025-4:2004 (2019)—a thermomechanically rolled (TMCP) weldable fine-grain structural steel with 460 MPa minimum yield strength and ≥40 J Charpy V-notch at –20 °C longitudinally. The designation "S460M" means "S" structural, "460" nominal yield (MPa, ≤16 mm transverse), "M" TMCP delivery (900-1100 °C rolling + 20-40 °C/s cooling).
TMCP's fine grains (ASTM 8-10) and low CEV ≤0.48 provide superior weldability (no preheat to 80 mm) and isotropy versus normalized or QT alternatives. GB Q460C/D equivalents S460M with Rm 550-720 MPa and similar CEV, but optional low-temp impact (Q460D ≥27 J at –20 °C). Common for Chinese-EU projects, where Gangsteel supplies dual EN/GB certified plates.
Gangsteel supplies S460M equivalent to GB Q460C/D with dual certification, ideal for hybrid specs. For chemical basis, S460M Chemical Composition EN 10025-4 Supplier; mechanical, S460M Mechanical Properties EN 10025-4 Plate Supplier.
|
Element |
S460M (EN 10025-4) max % |
Q460C/D (GB/T 1591) max % |
Difference & Impact |
|---|---|---|---|
|
C |
0.16 |
0.20 |
Lower C in S460M = better HAZ |
|
Si |
0.60 |
0.55 |
Similar |
|
Mn |
1.70 |
1.80 |
Similar |
|
P |
0.030 |
0.030 |
Same |
|
S |
0.025 |
0.030 |
Lower S in S460M |
|
Nb + V + Ti |
0.22 combined |
0.22 combined |
Similar microalloying |
|
CEV max |
0.48 |
0.52 |
S460M better weldability |
S460M has the tightest chemistry → superior HAZ toughness and preheat-free welding.
|
Property |
S460M (EN 10025-4) |
Q460C/D (GB/T 1591) |
Notes |
|---|---|---|---|
|
Yield Strength ReH (MPa) |
460 (≤16 mm) → 350–380 (>150 mm) |
460 (≤16 mm) → 340 (>100 mm) |
S460M better in thick plates |
|
Tensile Strength Rm (MPa) |
540–720 |
550–720 |
Similar |
|
Elongation A5 (%) |
≥17 |
≥17 |
Same |
|
Impact Toughness (long.) |
≥40 J at –20 °C |
Q460C: ≥34 J at 0 °C Q460D: ≥34 J at –20 °C |
S460M superior for low-temp |
|
CEV max |
0.48 |
0.52 |
S460M better weldability |
S460M offers better thick-plate yield and guaranteed low-temp toughness compared to Q460C/D.
Q1: What is the GB equivalent for S460M?
A: GB/T 1591 Q460C (standard temp) or Q460D (low temp) is the closest equivalent with yield 460 MPa and similar CEV, but optional impact testing. S460M TMCP finer grain for better HAZ.
Q2: Can I use Q460C/D instead of S460M?
A: Yes for general structural, but S460M required for European certification or guaranteed –20 °C impact. Gangsteel supplies dual EN/GB plates.
Q3: Price difference between S460M and Q460C/D?
A: S460M 50–100 USD/ton higher than Q460C/D due to European certs and TMCP properties.
Q4: Do you have dual-certified plates?
A: Yes – EN 10025-4 S460M + GB/T 1591 Q460C/D is common from our stock.
Q5: Z35 availability for both?
A: Yes – large stock of S460M + Z35 and Q460C/D + Z35 ready.
Q6: Delivery time to China or Europe?
A: Stock material 3–7 days worldwide.
Q7: Can you supply triple-certified plates?
A: Yes – EN 10025-4 S460M + GB/T 1591 Q460C + ASTM A913 Gr.65 is possible by agreement.
Need S460M or equivalent GB grade plates? Contact us for quotation within 2 hours.
Email: admin@gangsteel.com WhatsApp/WeChat/Mobile: +86 135 9887 9167 Website: https://gangsteel.net/
Gangsteel – Your Global Expert for S460M and All Equivalents.
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