Product Details

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SAE Split Flat Flange HF

We provide SAE split and full high-pressure flanges in A/B/C/D/E/F/G/H/V series, including companion and connecting flanges. Our product range covers split and integral flanges, right-angle welded, square, tee, socket weld, butt weld, threaded and 24° cone flanges, as well as standard and non-standard SAE welded pipe connectors and flange covers. We also supply welded, ferrule and flared hydraulic pipe fittings. Widely used in heavy vehicles, construction machinery, petroleum, coal, power, metallurgy, chemical, shipbuilding and transportation industries, our products enjoy high customer reputation.

Product Description：

Conventional Materials

1. Carbon Steel

20# Steel, 45# Steel, Q235

2. Stainless Steel

AISI 304 (1.4301)

AISI 316 (1.4401)

AISI 316L (1.4404)

AISI 316Ti (1.4571)

Order Code and Instructions

① Xinweitong Flange

② Split Flat Flange

③ Product Model

④ * indicates flange material / welded pipe material

1. Carbon Steel Grades

C20 / C45 / CQ235: No coating, oil finished
C20A / C45A / CQ235A: No coating, oxidation treatment
C20B / C45B / CQ235B: White zinc plating
C20C / C45C / CQ235C: Yellow zinc plating
C20D / C45D / CQ235D: Oxidation treatment

2. Stainless Steel Grades

304 (1.4301), 316 (1.4401), 316L (1.4404), 316Ti (1.4571)

Example:

If you choose 20# steel flange with no coating and oxidation treatment, replace * with C20A.

If you choose 304 (1.4301) for welded pipe material, replace * with 304.

⑤ Matching Bolts

M: Metric Bolt
U: UNC Bolt

Example:

Choose metric bolt → replace * with M.

Choose UNC bolt → replace * with U.

If matching bolts are not required, leave the * section blank.

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Industrial Hose Services

From custom hose design and rapid prototyping to precision manufacturing and full lifecycle support, we deliver end-to-end services tailored to your industrial fluid transfer challenges.