
product details:
1.Type:high quality stainless steel butt welded pipe fitting elbow
2. Size:Seamless 1/2" To 24" Welded To 72"
3. Wall thickness:Sch5S-Sch160, sch40,sch40s,XS,XXS
4. Standards:ANSI, ASTM,DIN, JIS, BS, ISO, GB, SH, AND HG etc
5. Material:Stainless Steel: ASTM A403 WP304, 304L, 310, 316, 316L, 321, 347, 904L
Alloy Steel: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91 Low Temperature: ASTM A420 WPL 1, WPL 3, WPL 6
6. Surface treatment:Sand Rolling, Sand Blasting ,Acid Cleaning.
7. Applications:Petroleum,chemical,power,gas,metallurgy, shipbuilding, construction, etc
8. Certificate:API, CCS,and ISO9001:2000 for 304 316 stainless steel elbow
3.1Chemical Composition:3. Material
Grade | C | Si | Mn | P | S | Ni | Cr | Mo | N |
201(1Cr17Mn6Ni5N) | ≤0.15 | ≤1.0 | ≤5.5 | ≤0.06 | ≤0.03 | 3.5-5.5 | 16.0-18.0 | — | ≤0.25 |
202(1Cr18Mn8Ni5N) | ≤0.15 | ≤0.07 | ≤7.5 | ≤0.06 | ≤0.03 | 4.0-6.0 | 17.0-19.0 | — | ≤0.25 |
304(0Cr18Ni9) | ≤0.08 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 8.0-11.0 | 18.0-20.0 | — | — |
304L(00Cr18Ni10) | ≤0.03 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 8.0-11.0 | 18.0-20.0 | — | — |
305 | ≤012 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 10.5-13.0 | 17.0-19.0 | ||
316(0Cr17Ni12Mo2) | ≤0.08 | ≤0.07 | ≤2.0 | ≤0.04 | ≤0.03 | 11.0-14.0 | 16.0-18.0 | 2.0-3.0 | — |
General
This Standard covers overall dimensions, tolerances,
ratings, testing, and markings for wrought factory-made
buttwelding fittings in sizes NPS 1;2 through 48 (DN 15
through 1200).
1.2 Special Fittings
Fittings may be made to special dimensions, sizes,
shapes, and tolerances by agreement between the manu-
facturer and the purchaser.
1.3 Fabricated Fittings
Fabricated laterals and other fittings employing cir-
cumferential or intersection welds are considered pipe
fabrication and are not within the scope of this Standard.
Fabricated lap joint stub ends are exempt from the
above restrictions, provided they meet all the require-
ments of the applicable ASTM material specification
listed in para
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Wenzhou Zheheng Steel Industry Co.,Ltd
Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in stainless steel field ,especially in heat exchanger tubing and large diameter pipes with ultra-long, ultra-thin, ultra-thick or ultra-large various and some special-purpose projects .
After years of efforts,we now became more and more stronger , we have consist of four company respectively located in wenzhou(headquarter),lishui,chengdu city,two factorys of ss stainless pipe workshop in lishui ,another one ss pipe fittings workshop located in wenzhou ,one domestic sales company located in chengdu.
On Time, On Budget, For Over 20 Years
Our reputation is for providing competitive prices, technical services and on time deliveries for every project for over 20 years. Our inventory is computerized so our employees can respond quickly to all your requests. If a specific product is not in stock when you request it, we guarantee same day shipping or shortest lead time available.
Our regular feture products are 304/304L,316L, 321,310s,austentic serious ,duplex steel 2205 ,hastelloy c276,inconel 625 ,and super stainless steel 904L , All of our products meet or exceed AISI/ASTM A213 ,A269,A312,EN 10216,GHOST 9941 ,GB,JIS standard. per your specific requirements and include full documentation.
More photos about our workshop :