Flange MSS SP 44

TYPE: WN, BLD. Material: A105, A350 LF2, A36, SS 400, A182 F11/F304/F316/F51/F53/F55 etc. Size: ；12" ~ 60" Standard: MSS SP-44 Pressure: CLASS 150, 19.6 bar, 285 psi ~ CLASS 900, 153.1 bar, 2000 psi Flange Facing: FF, RF, RTJ. Customization: OEM/ODM service. Samples: Sample service available.

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Product Description

Flange MSS SP 44: High-Performance Solutions for Industrial Pipelines

Xi'an QinSteel Trading Co., Ltd specializes in manufacturing premium Flange MSS SP 44 products designed for high-pressure oil, gas, and petrochemical applications. With over 15 years of expertise, we deliver durable, compliant flanges that meet rigorous industry standards while offering fast global shipping and customization support.

Why Choose MSS SP 44 Flanges?

The product components are critical for large-diameter pipeline systems requiring exceptional strength and leak-proof performance. Here’s what makes our products stand out:

1. Strict Compliance with MSS SP-44 Standards

Every flange undergoes meticulous testing to ensure compliance with MSS SP-44 specifications for dimensions, pressure ratings (Class 150 to Class 900), and material integrity. This guarantees reliable performance in extreme temperatures and high-pressure environments.

2. Wide Range of Sizes & Materials

Sizes: 12" to 60" diameters.
Materials: Carbon steel (A105, A36), low-temperature steel (A350 LF2), stainless steel (F304/F316), and duplex steels (F51/F53/F55).
Customization: Tailor flanges to non-standard sizes, coatings, or pressure requirements.

3. Global Certifications & Traceability

Our flanges comply with ISO 9001, PED, API 6A, and ASME standards. Full material traceability and test reports (e.g., hydrostatic testing, NDT) are provided for quality assurance.

4. Rapid Delivery for Urgent Projects

We maintain a large inventory of standard MSS SP 44 flanges, enabling shipment within 2 weeks for urgent orders.

Material Specifications

STANDARD	TYPE	SIZE	PRESSURE
ASME B16.5	WN, SO, SW, BLD, THREADED, LP	1/2" ~ 24"	CLASS 150 ~ 2500
ASME B16.36	WN, SO, THREADED	1/2" ~ 24"	CLASS 300LB ~ 2500
ASME B16.47	WN BLD	26" ~ 60"	CLASS 75 ~ 900
ASME B16.48	SPECTACLE BLANKS, SPADES, RING SPACERS	1/2" ~ 24"	CLASS 150 ~ 2500
AWWA C207	STEEL RING, BLD, STEEL HUB	4" ~ 96"	86 ~ 275 PSI
API 6A	WN, BLD, THREADED, INTEGRAL, TEST	2-1/16" ~ 20-3/4"	13.8 MPa ~ 138.0 MPa
API 605	WN	26" ~ 60"	CLASS 150 ~ 900
SANS 1123	WN, PLATE, SCREWED, SO, LOOSE, BLANK, INTEGRAL	DN 10 ~ 3600	250 ~ 4000 kPa
AS 2129	BLD, PLATE, BOSS, WN	DN 15 ~ 1800	TABLE A ~ TABLE T
BS 3293	SO, WN	26" ~ 48"	CLASS 150 ~ 600
BS 4504	PLATE, LOOSE, BLANK, WN, SO, THREADED, WO PLATE, INTEGRAL	DN 10 ~ 4000	PN 6 ~ 40
EN 1092-1	PLATE, LOOSE, BLIND, WN, SO, THREADED, WO PLATE, INTEGRAL	DN 10 ~ 3600	PN 6 ~ 400
JIS B2220	SOP, SOH, SW, WN, LJ, TR, IT, BL	DN 10 ~ 1500	5 ~ 63 K
MSS SP-44	BLD, WN	12" ~ 60"	CLASS 150,19.6bar ~ CLASS 900, 153.1 bar

Applications

Our Flange MSS SP 44 products are trusted in:

Oil & Gas Transmission Pipelines
Offshore Drilling Platforms
Petrochemical Refineries
Power Generation Plants

5 Reasons to Partner With Us

1. GMP-Certified Production: Precision manufacturing in a facility meeting global quality benchmarks.

2. End-to-End Customization: Modify materials, sizes, or coatings to match project needs.

3. Bulk Order Optimization: Competitive pricing for orders exceeding 1,000 units.

4. 24/7 Logistics Network: Reliable shipping via DHL, FedEx, or sea freight.

5. Technical Support: In-house metallurgists assist with material selection for corrosive or high-temperature environments.

Quality Assurance Process

Material Testing: Spectrometer analysis to verify ASTM-grade materials.
Dimensional Checks: Laser scanning for perfect alignment.
Pressure Testing: Hydrostatic tests up to 1.5x rated pressure.
Surface Inspection: MPI/DPI to detect micro-cracks or defects.

Quality Control

Factory Equipment

Shipping Packaging

FAQ

Q: Can you customize flanges for API 6A systems?

A: Yes! We adapt MSS SP 44 flanges to API specifications, including exotic materials like duplex steel.

Q: What certifications do your flanges include?

A: We provide MSS SP-44 compliance certificates, material test reports, and ISO/PED/API documentation.

Q: How do you prevent damage during shipping?

A: Flanges are packed in moisture-proof wooden crates with edge protectors to withstand long-distance transit.

Q: What's the lead time for 500 units?

A: Standard sizes ship in 15 days. Contact us for expedited options.

Q: Do you offer samples?

A: Yes—request samples via email for quality approval before bulk orders.

Contact Us

Elevate your pipeline projects with Flange MSS SP 44 solutions that combine compliance, durability, and rapid delivery.

Email: info@sxqinsteel.com

Need urgent support? Contact us for real-time order tracking or technical queries.