Name: ASTM A790 UNS S37500 Super Duplex Stainless Steel Seamless Pipe
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A790 UNS S3750
Price: 120000.00 USD
Availability: InStock

Yuhong Holding Group Co.,LTD

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ASTM A790 UNS S37500 Super Duplex Stainless Steel Seamless Pipe

Product Details:

Place of Origin:	CHIAN
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	ASTM A790 UNS S3750

Payment & Shipping Terms:

Minimum Order Quantity:	100KGS
Price:	Negotiable
Packaging Details:	Bundle with plastic Cap / Ply Wooden Case
Delivery Time:	Depends on quantity
Payment Terms:	L/C,T/T
Supply Ability:	According to customer's request

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Detailed Product Description

Hydrotest-pressure:

≥ 100 Bar (1500 Psi)

Purchasing-standard:

ASTM A790 + SA 790

En-10216-equivalent-grade:

1.4507

Max-service-temperature:

300°C (572°F)

Highlight:

ASTM A790 Super Duplex pipe

S37500 stainless steel seamless pipe

Super Duplex steel pipe with warranty

UNS S37500 Super Duplex Stainless Steel Seamless Pipe ASTM A790 Certified Supplier

Product Attributes

Attribute	Value
Hydrotest Pressure	≥ 100 bar (1500 psi)
Purchasing Standard	ASTM A790 + SA 790
EN 10216 Equivalent Grade	1.4507
Max Service Temperature	300°C (572°F)

Product Overview

Our ASTM A790 UNS S3750 (UNS S37500) seamless pipes deliver exceptional pitting/stress corrosion resistance in chloride-rich environments. Manufactured through rotary piercing and cold drawing, these super duplex stainless steel tubes exceed ASTM A790 tolerances for demanding offshore, chemical processing, and FGD applications.

Key Technical Specifications

Chemical Composition (ASTM A790 Table 1)

Element	Min %	Max %	Typical %
Cr	24.0	26.0	25.2
Ni	6.0	8.0	6.8
Mo	3.0	4.0	3.5
N	0.20	0.30	0.25
C	-	0.03	0.02
Mn	-	1.2	0.8
Fe	Balance	-	62.5

Mechanical Properties

Parameter	Requirement	Test Standard
Tensile Strength	≥ 750 MPa	ASTM A370
Yield Strength (0.2% offset)	≥ 550 MPa	ASTM A370
Elongation (% in 50mm)	≥ 15%	ASTM A370
Hardness (HBW)	≤ 310	ASTM E10
Impact Toughness (-46°C)	≥ 45 J	ASTM A370

Dimensional Tolerances (Per ASTM A790)

Dimension	Hot-Finished	Cold-Drawn
OD Tolerance	±1.0% or ±0.5mm	±0.5% or ±0.25mm
Wall Thickness	+20%/-0%	±10%
Straightness	3mm/m max	1.5mm/m max

Equivalent Standards & Grades

Region	Standard	Grade
International	EN 10216-5	1.4507
Europe	EN 10088-3	X2CrNiMoN25-7-4
Japan	JIS G3463	SUS 329J4L
Unified Number	UNS	S37500

Key Advantages

Superior Corrosion Resistance: PREN >40 outperforms 316L in chlorides
2X Strength vs. Austenitic SS: Reduces wall thickness/weight
Thermal Stability: Maintains properties up to 300°C (572°F)
Weldability: Qualified per ASME IX with ER2594 filler
Certified Traceability: DNV GL/ABS/PED 2014/68/EU

Primary Applications

Industry	Critical Use Cases
Offshore Oil & Gas	Subsea manifolds, Riser pipes, Christmas trees
Desalination Plants	RO membranes, Brine heaters, Evaporator tubes
Chemical Processing	Acid coolers, Reactor coils, CIP systems
Pollution Control	FGD ducting, Scrubber modules
Pulp & Paper	Digester vessels, Bleach plants