08Ni3DR Steel Plate for Low-Temperature Pressure Vessels (GB/T 713.4-2023)

08Ni3DR is a 3.5% nickel-alloy steel plate grade for low-temperature pressure vessels under the Chinese national standard. The manufacturing specification is GB/T 713.4-2023 (previous version: GB/T 24510-2017), and the ultrasonic testing standard is NB/T 47013.3-2015.

This grade is specifically designed for use down to -100°C, with mandatory Charpy V-notch impact testing at -100°C (≥60 J).

08Ni3DR is widely used in low-temperature chemical processes, LPG/LNG auxiliary systems, and other equipment requiring service temperatures around -100°C.

08Ni3DR designation explanation: 08 represents average carbon content (0.08%), Ni3 denotes average nickel content of 3.5%, DR stands for Low-temperature ("低") Pressure Vessel ("容").

Yield Strength

≥320 MPa

Tensile Strength

490–620 MPa

Impact (-100°C)

≥60 J

Standard

GB/T 713.4-2023

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Product Overview

08Ni3DR Steel Plate is a 3.5% nickel-alloy pressure vessel steel manufactured in accordance with GB/T 713.4. It is specifically designed for low-temperature service down to -100°C, where reliable impact toughness and structural safety are critical.

08Ni3DR is the lowest nickel-content grade in the GB/T 713.4 nickel-alloy steel series. It offers a cost-effective solution for low-temperature chemical processes, LPG/LNG auxiliary systems, and other equipment requiring service temperatures around -100°C.

Yield 320MPa 3.5% Ni alloy N / N+T / Q+T -100°C impact

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Core Advantages

Guaranteed -100°C impact toughness (≥60 J)
Lowest Ni content in GB/T 713.4 nickel series
Cost-effective for -100°C service
N / N+T / Q+T delivery available
Up to 150mm thickness

Professional Technical Support & Customization

Comprehensive Knowledge Base: Our sales team is proficient in nickel-alloy cryogenic steel standards. Whether it's the Chinese national standard 08Ni3DR, or related grades such as 07Ni5DR, 06Ni7DR, and 06Ni9DR, we can provide accurate technical communication.

Zero Communication Errors: With solid product knowledge, we can avoid all basic errors during the order technical condition confirmation stage, ensuring the accuracy of your order.

Flexible Customization Capabilities: If your design has special requirements (e.g., drop-weight test (NDT), thickness direction properties (Z-direction), simulated post-weld heat treatment, UT grade), we support customized production.

N / N+T ≈30 days

Q+T ≈35 days

Max thickness 150mm

📋 Applications

LPG/LNG auxiliary systems

Cryogenic heat exchangers

Low-temperature chemical vessels

Liquefied gas storage

Spherical tanks

Pressure shells & heads

📦 Stock Resources

N / N+T plates: 6–100mm (W:2000–2500, L:11000–12500)

Q+T plates: 5–150mm (W:2000–2500, L:11000–12500)

Custom rolling: up to 150mm

Click to check 08Ni3DR inventory

Spot stock size range and supply conditions

Normalized / Normalized + Tempered (N / N+T)

Thickness (mm)	Width (mm)	Length (mm)
6–100	2000/2200/2500	11000–12500

Quenched + Tempered (Q+T)

Thickness (mm)	Width (mm)	Length (mm)
5–150	2000/2200/2500	11000–12500

Supply Condition: N, N+T, Q+T (per GB/T 713.4-2023; Q+T by agreement)

08Ni3DR Chemical Composition (max %)

C	Si	Mn	Ni	P	S	Cr	Cu	Mo	V	Nb	Alt
≤0.10	0.10–0.35	0.30–0.80	3.25–3.75	≤0.015	≤0.005	≤0.25	≤0.35	≤0.12	≤0.05	≤0.08	≥0.015

Note: 除06Ni7DR牌号外，Cr+Mo+Cu≤0.50%。当采用酸溶铝(Als)代替Alt时，Als含量应不小于0.015%。厚度大于100mm时，C含量上限可到0.12%。

08Ni3DR · alloying elements & roles

per GB/T 713.4

C Carbon ≤0.10%

Low carbon for excellent cryogenic toughness and weldability.

Si Silicon 0.10–0.35%

Deoxidizer; controlled for toughness.

Mn Manganese 0.30–0.80%

Contributes to strength and toughness; kept moderate for cryogenic ductility.

Ni Nickel 3.25–3.75%

Key alloying element; provides excellent -100°C toughness.

P Phosphorus ≤0.015%

Tight limit; harmful to cryogenic toughness.

S Sulfur ≤0.005%

Tight limit; harmful to toughness and weldability.

Cr Chromium ≤0.25%

Residual element; contributes to hardenability.

Cu Copper ≤0.35%

Residual element; limited to avoid adverse effects.

Mo Molybdenum ≤0.12%

Residual element; improves hardenability.

V Vanadium ≤0.05%

Residual element; tightly controlled.

Nb Niobium ≤0.08%

Residual element; tightly controlled.

Alt Aluminum (total) ≥0.015%

Deoxidizer, refines grain structure. Als ≥0.015% if used instead.

08Ni3DR typical ranges (wt%): C ≤0.10, Si 0.10–0.35, Mn 0.30–0.80, Ni 3.25–3.75, P ≤0.015, S ≤0.005, Cr ≤0.25, Cu ≤0.35, Mo ≤0.12, V ≤0.05, Nb ≤0.08, Alt ≥0.015. Cr+Mo+Cu ≤0.50%.

08Ni3DR Mechanical Properties & Impact Test

Thickness (mm)	YS (MPa)	TS (MPa)	Elong (%)	Impact -100°C (J)
6–60	≥320	490–620	≥21	≥60
>60–100	≥300	480–610	≥21	≥60
>100–150	≥290	470–600	≥21	≥60

Note: 08Ni3DR is delivered in normalized or normalized + tempered condition (Q+T by agreement). Impact test at -100°C is mandatory per GB/T 713.4-2023. Bending test: D=3a (transverse).

Cryogenic Impact & Special Inspection Requirements

Test Temperature

-100 °C

Average Impact Energy

≥60 J

Specimen

Charpy V-Notch

Grouping

Batch ≤30t

📋 08Ni3DR is grouped by batch (same grade, same heat, same thickness, same heat treatment), max 30t per batch. Drop-weight test (NDT) and Z-direction properties are available upon agreement. UT per NB/T 47013.3, grade not lower than I. Residual magnetism testing is not mandatory for this grade.

08Ni3DR vs Related Nickel-Alloy Cryogenic Grades

Item	08Ni3DR	07Ni5DR	06Ni7DR	06Ni9DR
Standard	GB/T 713.4	GB/T 713.4	GB/T 713.4	GB/T 713.4
Ni content	3.25–3.75%	4.75–5.25%	6.50–7.50%	8.50–10.00%
Min use temp	-100°C	-120°C	-196°C	-196°C
Min yield (MPa)	≥320	≥370	≥560	≥560
Impact energy	≥60 J (-100°C)	≥60 J (-120°C)	≥80 J (-196°C)	≥80 J (-196°C)
Delivery	N / N+T (Q+T by agreement)	Q+T	Q+T / Q+Q+T	Q+T / Q+Q+T

International equivalents (per GB/T 713.4-2023 Appendix A): 08Ni3DR corresponds to EN 10028-4 12Ni14, ISO 9328-4 12Ni14, DNV NV3.5Ni, ASTM A203 3.5% Ni (Grades D/E/F), and JIS G 3127 SL3N255/SL3N275/SL3N440. 07Ni5DR corresponds to EN 10028-4 X12Ni5; 06Ni7DR corresponds to EN 10028-4 X6Ni7; 06Ni9DR corresponds to EN 10028-4 X7Ni9/X8Ni9.

Scenario-Based Recommendation · GB Grade Comparison

16MnDR

Cryogenic tanks, cold regions, LPG

Yield ≥315 MPa · Tensile 490-620 MPa
Charpy -40°C ≥47J

vs 08Ni3DR: lower cost, but only -40°C capability

16MnDR details

09MnNiDR

Ethylene, chemical, extreme‑cold equipment

Yield ≥300 MPa · Tensile 440-570 MPa
Charpy -70°C (Ni alloyed)

vs 08Ni3DR: 09MnNiDR stops at -70°C, 08Ni3DR reaches -100°C

09MnNiDR details

08Ni3DR

Low-temp chemical, LPG/LNG auxiliary, -100°C

Yield ≥320 MPa · Tensile 490-620 MPa
Charpy -100°C ≥60J

Lowest Ni content in GB/T 713.4 nickel series

Current Grade

07Ni5DR

Ethylene, chemical, -120°C service

Yield ≥370 MPa · Tensile 530-700 MPa
Charpy -120°C ≥60J

vs 08Ni3DR: higher strength and lower temp capability

07Ni5DR details

06Ni7DR

LNG, liquefied gas, -196°C

Yield ≥560 MPa · Tensile 680-820 MPa
Charpy -196°C ≥80J

vs 08Ni3DR: much higher Ni, strength, and lower temp capability

06Ni7DR details

Quick selection path: 16MnDR (-40°C) → 09MnNiDR (-70°C) → 08Ni3DR (-100°C) → 07Ni5DR (-120°C) → 06Ni7DR / 06Ni9DR (-196°C)

Quality Control & Inspection

Mill Test Certificate 3.1 Chemical analysis Mechanical testing Charpy V-notch -100°C UT per NB/T 47013.3 Third-party inspection

📐 Customizable Specification Range for 08Ni3DR

Thickness

5–150 mm

(per standard; custom rolling available)

Width

1500–5200 mm

(adjustable per order)

Length

≤ 18000 mm

(max. single length)

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Delivery Condition

N N+T Q+T*

N normalized · N+T normalized + tempered · Q+T quenched + tempered (by agreement). Per GB/T 713.4-2023, 08Ni3DR is delivered in N or N+T condition; Q+T may be used with buyer's consent.

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Additional Requirements

Drop-weight test (NDT) per GB/T 6803
Thickness direction (Z-direction) properties
Simulated post‑weld heat treatment (PWHT)
UT per NB/T 47013.3, grade I or higher

📋 Other customized technical conditions are also negotiable.

✅ The above ranges represent our standard customizing capability — dimensions, delivery conditions, and supplementary tests can be further adjusted to meet your project specifications.

Frequently Asked Questions

What is 08Ni3DR steel plate used for?

08Ni3DR steel plate is mainly used for LPG/LNG auxiliary systems, cryogenic heat exchangers, low-temperature chemical vessels, liquefied gas storage, spherical tanks, and other equipment operating down to -100°C, manufactured according to GB/T 713.4.

What is the difference between 08Ni3DR and 07Ni5DR?

08Ni3DR contains 3.25–3.75% Ni and is qualified for -100°C service, while 07Ni5DR contains 4.75–5.25% Ni and is qualified for -120°C service. 07Ni5DR also has higher yield strength (≥370 MPa vs ≥320 MPa).

Is 08Ni3DR equivalent to ASTM A203?

Yes. Per GB/T 713.4-2023 Appendix A, 08Ni3DR is approximately equivalent to ASTM A203/A203M 3.50% Ni Grades D/E/F, EN 10028-4 12Ni14, ISO 9328-4 12Ni14, DNV NV3.5Ni, and JIS G 3127 SL3N255/SL3N275/SL3N440.

What delivery condition is used for 08Ni3DR?

Per GB/T 713.4-2023, 08Ni3DR is delivered in normalized or normalized + tempered condition. With the buyer's consent, quenched + tempered (Q+T) condition may also be used.

Can you provide 08Ni3DR steel plates with custom sizes?

Yes. Custom rolling for thickness 5–150mm, width up to 5200mm, length up to 18000mm. Delivery: approximately 30 days N / N+T, 35 days Q+T.

Request a Quote

Emails go directly to customize@cehesteel.com — reply within 12h.