Steel for Pressure Vessels

A specialized steel manufacturer. We only make steel grades with qualities that are fine-tuned to make applications stronger, lighter, safer, easier to produce, more long-lasting, fuel efficient and sustainable – all depending on what’s highest on the users’ list of priorities.

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Steel for low temperature pressure vessels

Model

Steel Grade

Dimension(mm)

Technical Agreement

Appication

16MNDR、

16MNDR-ZJ

 6.0~25.4x1000~2000

Technical agreement

 Railway locomotive

bogie,low temperature

storage tank
Q420DR 6.0~25.4x1000~2000

Technical agreement

Low temperature

storage tank
Q460DR 6.0~25.4x1000~2000

Technical agreement

Description

LY Steel can produce steel for pressure vessels mainly for welding gas cylinders, medium and normal tem-perature pressure vessels and low temperature pressure vessels.

Steel for medium and normal temperature pressure vessels

Model

Steel Grade

Dimension(mm)

Technical Agreement

Appication
Q245R 2~25.4x1000~2000

GB/T713.3-2023

Pressure equipment

sheet and strip

 

Boiler plate, chemical

agent vessel and oil

tank,etc. (need to be

certified)
Q345R
15CrMo 2.0~25.4x1000~2000

Technical agreement

Medium and high

temperature boiler,

structural parts etc.
12Cr1MoV 2.0~25.4x1000~2000

Technical agreement
SA387Gr11-2 3.0~25.4x1000~2000

Technical agreement

Description

LY Steel can produce steel for pressure vessels mainly for welding gas cylinders, medium and normal tem-perature pressure vessels and low temperature pressure vessels.

Welded gas cylinder steel

Model

Steel Grade

Dimension(mm)

Technical Agreement

Appication
HP235(P235S) 2~25.4x1000~2000

Welded gas cylinder

sheet and strip

Welded gas cylinder
HP265
HP295
HP325

Description

LY Steel can produce steel for pressure vessels mainly for welding gas cylinders, medium and normal temperature pressure vessels and low temperature pressure vessels.

High Chrome Alloy Steel

Model

Steel Grade

Specification (mmxmmxmm)

Executive Standard
SA387GR91CL2 6~25x1000~2050xL ASME SA387/SA387M
P91 6~25x1000~2050xL ASTM A213M
10Cr9Mo1VNbN 6~25x1000~2050xL GB/T 5310
SA387GR22 6~25x1000~2050xL ASME SA387/SA387M

Description

SA387GR91CL2 (P91 for short) has high oxidation resistance, corrosion resistance under high temperature steam environment, impact toughness, high and stable durable plasticity and thermal strength, which is used in subcritical boiler, supercritical boiler and nuclear power heat exchanger, etc.

Low-temperature Nickel Steel

Model

Steel Grade

 Specification(mmxmmxmm) Executive Standard State of Supply Application
15MnNiDR 3~25x1000~2050xL GB/T 3531

Normalizing or normalizing +

tempering or quenching + tempering

Ethylene
09MnNiDR 3~25x1000~2050xL GB/T 3531

Normalizing or normalizing +

tempering

Ethylene
08Ni3DR 3~25x1000~2050xL GB/T 3531

Normalizing or normalizing +

tempering or quenching + tempering

Ethane,methane
07Ni5DR 3~25x1000~2050xL GB/T 3531

Hardening and tempering

Liquefied ethylne

X12Ni5、X7Ni9

 3~25x1000~2050xL EN 10028-4

Hardening and tempering

Liquefied ethylene
06Ni9DR 3~25x1000~2050xL GB/T 3531

Hardening and tempering

liquefied natural gas

Description

Low-temperature nickel steel is used for storage tank devices that store, treat and transport liquid ethylene and methane, liquid gas like liquefied natural gas, liquid oxygen, liquid nitrogen, and pipelines, among which 06Ni9DR steel plate has passed the ABS classification society certification.

High Manganese Low-temperature Pressure Vessel Steel

Model

 

Steel Grade

MPa

Yield Strength

(Typical)MPa

MPa

Tensile Strength

(Typical)

A50%

Elongation

(Typical)

 

KV2,J

Impact Energy

(Transversal)

mm

Available

Specification
HMA400 ≥400(503) 800~950(893) ≥35(46) ≥60(180) 3.0~25.0x1000~2050

Description

HMA400（Mn24）has good low-temperature resistance and wear resistance, even in the ultra-low tempera-ture environment of -196℃, the product can also maintain stability, which is an ideal material for the manufacture of LNG fuel storage tank. Compared with 9Ni steel, the most common steel for LNG fuel storage tanks, 24% man-ganese contained steel has the advantages of abundant production yield and lower cost.

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