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JIS G3464 STBL 380 Low Temperature Heat Exchanger Tubes Alloy Steel Seamless Pipe

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JIS G3464 STBL 380 Low Temperature Heat Exchanger Tubes Alloy Steel Seamless Pipe

Name: JIS G3464 STBL 380 Low Temperature Heat Exchanger Tubes Alloy Steel Seamless Pipe
Brand: TORICH
Price: 1 USD

Buy cheap JIS G3464 STBL 380 Low Temperature Heat Exchanger Tubes Alloy Steel Seamless Pipe product

Brand Name : TORICH

Model Number : STBL 380

Certification : CE,BV,ISO9001,API,ISO

Place of Origin : Zhejiang/China

MOQ : 1 Ton

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 60000 Ton/Tons per Year

Delivery Time : 20-40days

Packaging Details : In bundles or in wooden boxes.

Grade : Low Temperature Heat Exchanger Tubes

Thickness : 10 - 300 mm

Application : Hydraulic Pipe

Standard : ASTM,DIN,GB,API,JIS

Alloy or not : Is Alloy

Technique : Cold Drawn,Cold Drawn/Cold rolling/Cold drawn-honed/Cold drawn-roll

Secondary or not : Non-secondary

Section shape : Round,Hexagon

Outer diameter(round) : 25-426 mm

Special pipe : precision seamless steel tube

Surface : Customers't Requirement

Shape : Round.square.Rectangle

Product name : Seamless Steel Pipe

Type : Seamless Round Steel Pipe

Length : 12m or customzied

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JIS G3464 STBL 380 Low Temperature Heat Exchanger Tubes Alloy Steel Seamless Pipe

Material

STBL 380 is a low-temperature alloy steel grade defined under JIS G3464, specifically developed for seamless steel tubes used in heat exchangers, condensers, and similar equipment operating at low temperatures. These tubes offer high toughness, good impact resistance, and reliable performance in cryogenic and sub-zero service conditions.

Specifications

Standard: JIS G3464
Grade: STBL 380
Type: Seamless alloy steel pipe
Application: Heat exchanger and condenser tubes for low-temperature service
Dimensions: As per JIS G3464 (outside diameter, wall thickness, and length can be customized)

Chemical Composition (Typical, wt%)

Grade	C (%)	Si (%)	Mn (%)	P (%)	S (%)	Ni (%)	Cr (%)	Mo (%)	Others
JIS STBL 380	≤0.15	0.10–0.35	0.30–0.60	≤0.025	≤0.025	2.5–3.5	0.40–0.80	0.25–0.35	—
ASTM A333 Gr. 3	≤0.19	≤0.25	0.31–0.64	≤0.025	≤0.025	3.18–3.82	0.44–0.65	0.44–0.65	—
ASTM A333 Gr. 4	≤0.12	≤0.30	0.50–1.00	≤0.025	≤0.025	1.25–1.75	0.50–0.80	0.44–0.65	—
EN 10216-4 15NiCuMoNb5-6-4	≤0.12	≤0.50	0.40–0.70	≤0.025	≤0.015	2.70–3.20	0.50–0.80	0.35–0.55	Nb 0.10–0.20
GOST 4543 09Mn2Si	≤0.12	0.17–0.37	1.20–1.60	≤0.025	≤0.025	—	—	—	—

Mechanical Properties (Typical Values)

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Test (J, –196°C)	Hardness (HB)
JIS STBL 380	≥520	≥380	≥22	≥27	≤170
ASTM A333 Gr. 3	470–650	≥240	≥30	≥27	—
ASTM A333 Gr. 4	550–705	≥345	≥20	≥27	—
EN 10216-4 15NiCuMoNb5-6-4	490–650	≥355	≥22	≥27	—
GOST 4543 09Mn2Si	470–640	≥335	≥20	≥27	—

Key Features

Excellent toughness at sub-zero and cryogenic temperatures
Stable mechanical strength and ductility
High resistance to brittle fracture
Superior weldability and fabricability
Reliable performance in demanding heat exchanger and condenser service

Applicable Standards

JIS: JIS G3464 (STBL grades)
ASTM: A333 / A334 low temperature service seamless tubes
EN: EN 10216-4 alloy tube grades for low temperature use
GOST: Low temperature alloy seamless pipe equivalents
GB (China): GB 5310 / GB 9948 adapted for low temperature alloy service

Application Fields

STBL 380 seamless tubes are widely used in industries requiring reliable operation under cryogenic or low-temperature service conditions:

Petrochemical industry: Heat exchangers, condensers, and coolers handling cryogenic fluids
Energy & Power plants: LNG terminals, low-temperature boilers, and condensers
Chemical processing: Cryogenic storage systems, ammonia plants, and refrigerant exchangers
Shipbuilding & Offshore: Low-temperature piping systems in LNG carriers
Pressure vessels: Cold service heat transfer equipment

JIS G3464 STBL 380 Low Temperature Heat Exchanger Tubes Alloy Steel Seamless Pipe

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

JIS G3464 STBL 380 Low Temperature Heat Exchanger Tubes Alloy Steel Seamless Pipe Images

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