📞 +91 98204 66279 ✉ info@shreeimpexsteel.com Grant Road, Mumbai 400004
ISO 9001:2015 Est. 2011 Worldwide Export
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Manufacturer & Stockist · Mumbai, India · Est. 2011

Buttweld
Fittings.
All Grades.

India's most specialized manufacturer & stockist of buttweld pipe fittings. Every grade. Every standard. Every size. Worldwide export from Mumbai.

Request a Quote → View All Grades
40+
Grades in Stock
½"–48"
Size Range
50+
Countries Served
14 Yrs
Experience
SS 304 / 304L / 316L
Stainless Steel · ASTM A403
In Stock
Alloy WP91 / WP22 / WP11
Alloy Steel · ASTM A234
Manufacturer
Carbon Steel WPB / WPC
CS · ASTM A234 WPB
In Stock
Duplex / Super Duplex
S31803 / S32750 · ASTM A815
Manufacturer
Inconel 625 / 600
Nickel Alloy · ASTM B366
Manufacturer
Hastelloy C276 / C22
Nickel Alloy · ASTM B366
Manufacturer
Copper Nickel 90/10 · 70/30
CuNi · ASTM B366
In Stock
✓ ISO 9001:2015 Certified
✓ EN 10204 3.1 MTC Available
✓ ASME B16.9 & MSS SP-43
✓ PMI Testing
✓ 50+ Countries Exported
✓ 14+ Years Expertise
ASME B16.9 ◆ MSS SP-43 ◆ ASTM A403 ◆ ASTM A234 ◆ ASTM A815 ◆ ASTM B366 ◆ EN 10253 ◆ DIN 2605 ◆ ISO 9001:2015 ◆ NACE MR0175 ◆ IBR Approved ◆ PMI Testing ◆ ASME B16.9 ◆ MSS SP-43 ◆ ASTM A403 ◆ ASTM A234 ◆ ASTM A815 ◆ ASTM B366 ◆ EN 10253 ◆ DIN 2605 ◆ ISO 9001:2015 ◆ NACE MR0175 ◆ IBR Approved ◆ PMI Testing ◆
Complete Grade Range

Every Grade. In Stock & Manufactured.

From standard carbon steel to exotic nickel alloys — if it exists in buttweld fittings, we manufacture and stock it.

Stainless Steel
SS 304 / 304L
General purpose austenitic. Food, pharma, water, chemical processing.
A403WP304/LB16.9
→
Stainless Steel
SS 316 / 316L
Molybdenum-bearing. Superior chloride & acid resistance. Marine, oil & gas.
A403WP316/LB16.9
→
Stainless Steel
SS 321 / 347
Titanium & niobium stabilized. High-temperature service, power plants.
A403WP321/347B16.9
→
Stainless Steel
SS 310 / 310S
High chromium-nickel. Extreme heat resistance up to 1150°C.
A403WP310SB16.9
→
Alloy Steel
WP11 / WP11CL1
1.25% Cr, 0.5% Mo. Hydrogen service, refinery, mid-temperature piping.
A234WP11B16.9
→
Alloy Steel
WP22 / WP22CL1
2.25% Cr, 1% Mo. Petroleum refinery, high-temp steam pressure.
A234WP22B16.9
→
Alloy Steel
WP91 / P91
9% Cr, 1% Mo. Power generation, ultra-supercritical steam. Critical grade.
A234WP91B16.9
→
Alloy Steel
WP5 / WP9
5% & 9% Cr grades. Refineries, petrochemical, hydrogen service.
A234WP5/WP9B16.9
→
Carbon Steel
WPB / WPC
Standard carbon steel. Oil & gas, construction, general industrial piping.
A234WPB/WPCB16.9
→
Low Temp Carbon Steel
WPL6 / WPL3
Low temperature down to –46°C / –101°C. LNG, cryogenic, cold storage.
A420WPL6/L3B16.9
→
Duplex Stainless
Duplex 2205
UNS S31803. High strength + excellent corrosion resistance. Offshore.
A815S31803B16.9
→
Super Duplex
Super Duplex 2507
UNS S32750. Extreme chloride environments. Subsea, FGD, seawater.
A815S32750B16.9
→
Nickel Alloy
Inconel 625 / 600
Jet engines, nuclear reactors, marine exhaust. Outstanding fatigue strength.
B366N06625B16.9
→
Nickel Alloy
Hastelloy C276
Exceptional pitting and crevice resistance. Chemical process, FGD.
B366N10276B16.9
→
Nickel Alloy
Monel 400 / K500
Nickel-copper alloy. Seawater, HF acid, marine, chemical processing.
B366N04400B16.9
→
Copper Nickel
CuNi 90/10 · 70/30
Naval, offshore, desalination. Excellent biofouling resistance.
B366C70600B16.9
→
View Full Specifications for All Grades →
Fitting Types

Every Type. All Grades.

All manufactured to ASME B16.9 & MSS SP-43 in every grade listed above.

Buttweld Elbows

90° Long Radius, 90° Short Radius, 45° Long Radius. Available in all schedules from Sch 5 to XXS in all grades.

½" to 48" NBSch 5 to XXSASME B16.9All grades available

Buttweld Tees

Equal Tee, Reducing Tee. Used for flow splitting or combining in critical process piping systems worldwide.

½" to 48" NBEqual & ReducingASME B16.9All grades available

Buttweld Reducers

Concentric & Eccentric Reducers for controlled diameter changes in process piping. All schedules, all grades.

½" to 48" NBConcentric & EccentricASME B16.9All grades available

Buttweld Caps

End Caps for permanent pipe termination. Pipeline testing, isolation, and maintenance end closures in all grades.

½" to 48" NBASME B16.9All schedulesAll grades available

Stub Ends

Type A & Type B Stub Ends to MSS SP-43 & ASME B16.9. Used with lap joint flanges, allowing pipe rotation.

½" to 24" NBType A & Type BMSS SP-43All grades available

Long Radius Bends

3D, 5D, 6D, and 10D Bends for low-pressure-drop pipelines, pigging lines, and slug flow applications.

½" to 48" NB3D / 5D / 6D / 10DMSS SP-43All grades available
Standards & Certifications

Internationally Certified

Every fitting manufactured and tested to meet global standards. Full traceability with EN 10204 3.1 MTC.

ASME B16.9
MSS SP-43
ASTM A403
ASTM A234
ASTM A815
ASTM B366
EN 10253
DIN 2605
ISO 9001:2015
NACE MR0175
EN 10204 3.1
IBR Certified
PMI Testing
NDT / Radiography
Hydro Test
NABL Lab
Technical Specifications

Complete Grade Specifications

Grade / MaterialASTM SpecStandardSize RangeScheduleApplication
Stainless Steel Buttweld Fittings
SS 304 / 304LASTM A403 WP304/304LASME B16.9½" – 48" NBSch 5 to XXSGeneral, Food, Pharma, Chemical
SS 316 / 316LASTM A403 WP316/316LASME B16.9½" – 48" NBSch 5 to XXSMarine, Oil & Gas, Chloride
SS 321 / 321HASTM A403 WP321ASME B16.9½" – 24" NBSch 10 to XXSPower plants, Aerospace
SS 347 / 347HASTM A403 WP347ASME B16.9½" – 24" NBSch 10 to XXSRefineries, Nuclear
SS 310 / 310SASTM A403 WP310SASME B16.9½" – 24" NBSch 10 to XXSFurnaces, Extreme heat
Carbon Steel & LTCS Buttweld Fittings
Carbon Steel WPBASTM A234 WPBASME B16.9½" – 48" NBSch 10 to XXSGeneral industrial, Oil & Gas
LTCS WPL6ASTM A420 WPL6ASME B16.9½" – 24" NBSch 10 to XXSLow temp to –46°C, LNG
LTCS WPL3ASTM A420 WPL3ASME B16.9½" – 24" NBSch 10 to XXSLow temp to –101°C, Arctic
Alloy Steel Buttweld Fittings
Alloy Steel WP11ASTM A234 WP11ASME B16.9½" – 24" NBSch 10 to XXSRefineries, Hydrogen service
Alloy Steel WP22ASTM A234 WP22ASME B16.9½" – 24" NBSch 10 to XXSPetroleum refinery, Steam
Alloy Steel WP91ASTM A234 WP91ASME B16.9½" – 24" NBSch 10 to XXSPower generation, Supercritical
Alloy Steel WP5 / WP9ASTM A234 WP5/WP9ASME B16.9½" – 24" NBSch 10 to XXSRefineries, H₂ sulfide
Duplex, Nickel & Copper Alloy Buttweld Fittings
Duplex 2205ASTM A815 WPS31803ASME B16.9½" – 24" NBSch 10 to XXSOffshore, Desalination, Chemical
Super Duplex 2507ASTM A815 WPS32750ASME B16.9½" – 24" NBSch 10 to XXSSubsea, FGD, Seawater
Inconel 625 / 600ASTM B366 WPNCI8225ASME B16.9½" – 12" NBSch 10 to XXSNuclear, Aerospace, Marine
Hastelloy C276 / C22ASTM B366 WPNC2MASME B16.9½" – 12" NBSch 10 to XXSAcids, FGD, Chemical process
Monel 400 / K500ASTM B366 WPNICMASME B16.9½" – 12" NBSch 10 to XXSHF acid, Seawater, Marine
Copper Nickel 90/10ASTM B366 WPCN107ASME B16.9½" – 12" NBSch 10 to Sch 80Naval, Offshore, Desalination
Copper Nickel 70/30ASTM B366 WPCN702ASME B16.9½" – 12" NBSch 10 to Sch 80Condensers, Heat exchangers
Why Shree Impex Steel

14 Years. One Specialization.

01

Niche Specialist

We focus exclusively on buttweld fittings — no distraction, no dilution. Deeper knowledge, better inventory, and faster technical answers than any generalist supplier.

02

40+ Grades in Stock

From standard WPB carbon steel to exotic Hastelloy C276, we maintain ready stock across all grades. No waiting for imports. Ready to dispatch immediately.

03

Full Traceability

Every fitting supplied with EN 10204 3.1 Mill Test Certificate, heat number traceability, PMI testing, and dimensional inspection reports on request.

04

Manufacturer Pricing

As a direct manufacturer, we eliminate middlemen and offer competitive prices on all grades. Bulk discounts available. Custom dimensions manufactured to your drawing.

05

ISO 9001:2015 Certified

Quality Management System certified since 2011. Rigorous QA/QC from raw material sourcing to final dispatch. IBR certification for power sector requirements.

06

Global Export Ready

Exporting to 50+ countries. Experienced in all export documentation, ECGC, pre-shipment inspection, and country-specific certifications. Mumbai port, fast worldwide dispatch.

Shree Impex Steel Mumbai Buttweld Fittings
SI
2011
Founded in Mumbai
About Us

One Company.
One Specialization.

Founded in 2011 by Mr. Babulal Jain, Shree Impex Steel has spent over 14 years building one specific expertise: buttweld pipe fittings in every grade, every standard, every configuration.

Based in Mumbai — India's industrial and export hub — we serve oil & gas, power, petrochemical, nuclear, marine, and construction industries across India and 50+ countries worldwide.

ISO 9001:2015 certified with a commitment to full material traceability and zero compromise on quality. When engineers and procurement managers globally need a reliable buttweld fittings source, Shree Impex Steel is the name they trust.

Our Mission

Deliver superior buttweld fittings with precision, reliability, and integrity — ensuring customer satisfaction through consistent quality and timely delivery.

Our Vision

To be recognized globally as the most trusted and specialized manufacturer of buttweld fittings, raising benchmarks in quality, range, and service.

Industries We Serve

Critical Industries. Critical Fittings.

⚙

Oil & Gas

🏭

Petrochemical

⚡

Power Plants

☢

Nuclear

⚗

Chemical

🚢

Marine & Shipbuilding

💊

Pharmaceutical

🏗

Construction

Worldwide Export

50+ Countries.
One Source.

Mumbai's strategic location enables fast, cost-effective worldwide dispatch. Experienced in all export documentation, Letter of Credit, and pre-shipment inspection.

Enquire for Export →
UAE
Saudi Arabia
Qatar
Kuwait
Oman
Bahrain
Iraq
Iran
USA
Canada
UK
Germany
Italy
Spain
Netherlands
Norway
Singapore
Malaysia
Indonesia
Vietnam
South Africa
Nigeria
Kenya
Egypt
Australia
New Zealand
Brazil
Mexico
Certifications & Testing

Quality You Can Verify

ISO 9001:2015
Quality Management
EN 10204 3.1
Mill Test Certificate
IBR
Indian Boiler Regulation
NACE
MR0175 / ISO 15156
PMI
Positive Material ID
NDT
UT / RT / MT / PT
Get in Touch

Need Buttweld Fittings?
We Have Every Grade.

Send us your requirement — grade, type, size, quantity, and standard. We respond within 4 hours with pricing and availability.

Request a Quote → 💬 WhatsApp Us ↓ Download Brochure
Call / WhatsApp
+91 98204 66279
Office
022-6615 1733 / 1790
Email
info@shreeimpexsteel.com
Address
Grant Road East, Mumbai 400004