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Rolf Engg. Solution Inc.

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We are pleased to introduce ourselves as one of the leading manufacturers & stockiest of all kinds of M.S. Pipe Fittings (ERW & Seamless), G.I. Pipe Fittings, S.S. Pipe Fittings in all suitable specifications as per required applications like Water Treatment, Water Filtration, Pharma Industries, Textile Industries, Sugar Industries, Paper Industries, Chemical Industries, Diary Industries, Infrastructures, Heating Industries & Industrial Engineering Fabrication. All the products manufactured are as per the standard & relevant specifications. All our products are acknowledged for its features of best & branded quality and good tensile strength.

We conduct continuous quality checks on our products through specialized third party companies. This ensures that our products are the best in the industry and are appreciated for their quality & performance by all our clients. This satisfied customer has helped us in our growth and success. All the products are thoroughly inspected quality wise by us to ensure that they meet the technical specification as stated by the customer.

Origin
We import & Stock Materials from : Europe, Japan, USA, South Africa, Korea, India, Germany, China, Taiwan, Turkey, Ukraine.

Supplementary Conditions
Nace MR0175/ISO3183/Nace TM0284, HIC & SSC Tested Pipes, Sour Services, Offshore Services, With Low Sulhpur <0.002%, Bead Crush, 3 Layer Polyethylene Coating, 3 Layer Polypropylene Coating, Epoxy Coating, Radiography (X Ray).

Delivery Condition
As Rolled, Normalized, Thermomechanical Rolled, Formed, Normalized & Tempered, Quenched & Tempered, Annealed, Stress Relieved.

ASTM A181

Standard Specification for Carbon Steel Forgings, for General-Purpose Piping

 

Chemical Requirements for Classess 60 and 70

C
Mn
P
Si
S
0.35 max
1.10 max
0.05 max
0.10 - 0.35
0.05 max

 

Technical - ASTM A181

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ASTM A182

Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings and Valves and Parts for High-Temperature Services
ASTM A182 F1 ASTM A182 F2 ASTM A182 F5 ASTM A182 F5a ASTM A182 F9
ASTM A182 F10 ASTM A182 F91 ASTM A182 F92 ASTM A182 F122 ASTM A182 F911
ASTM A182 F11 ASTM A182 F12 ASTM A182 F21 ASTM A182 F3V ASTM A182 A182 F3VCb
ASTM A182 F22 ASTM A182 F22V ASTM A182 F23 ASTM A182 F24 ASTM A182 FR
ASTM A182 F36 ASTM A182 F6a ASTM A182 F6b ASTM A182 F6NM ASTM A182 XM-27 Cb
ASTM A182 F429 ASTM A182 F430 ASTM A182 F304 ASTM A182 F304H ASTM A182 F304L
ASTM A182 F304N ASTM A182 F304LN ASTM A182 F309H ASTM A182 F310 ASTM A182 F310H
ASTM A182 F310MoLN ASTM A182 F316 ASTM A182 F316H ASTM A182 F316L ASTM A182 F316N
ASTM A182 F316LN ASTM A182 F316Ti ASTM A182 F317 ASTM A182 F317L ASTM A182 S31727
ASTM A182 S32053 ASTM A182 F347 ASTM A182 F347H ASTM A182 F348 ASTM A182 F348H
ASTM A182 F321 ASTM A182 F321H ASTM A182 XM-11 ASTM A182 XM-19 ASTM A182 F20
ASTM A182 F44 ASTM A182 F45 ASTM A182 F46 ASTM A182 F47 ASTM A182 F48
ASTM A182 F49 ASTM A182 F56 ASTM A182 F58 ASTM A182 F62 ASTM A182 F63
ASTM A182 F64 ASTM A182 F904L ASTM A182 F50 ASTM A182 F51 ASTM A182 F52
ASTM A182 F53 ASTM A182 F54 ASTM A182 F55 ASTM A182 F57 ASTM A182 F59
ASTM A182 F60 ASTM A182 F61 ASTM A182 F65 ASTM A182 F66 ASTM A182 F67

 

Technical - ASTM A182

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ASTM A193

Standard Specification forAlloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications
ASTM A193 B5 ASTM A193 B6 ASTM A193 B6X ASTM A193 B7 ASTM A193 B7M
ASTM A193 B16 ASTM A193 B8 ASTM A193 B8A ASTM A193 B8C ASTM A193 B8CA
ASTM A193 B8M ASTM A193 B8MA ASTM A193 B8M2 ASTM A193 B8M3 ASTM A193 B8P
ASTM A193 B8PA ASTM A193 B8N ASTM A193 B8NA ASTM A193 B8MN ASTM A193 B8MNA
ASTM A193 B8MLCuN ASTM A193 B8MLCuNA ASTM A193 B8T ASTM A193 B8TA ASTM A193 B8R
ASTM A193 B8RA ASTM A193 B8S ASTM A193 B8SA ASTM A193 B8LN ASTM A193 B8LNA
ASTM A193 B8MLN ASTM A193 B8MLNA      

 

Technical - ASTM A193

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ASTM A194

Standard Specification Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service or Both
ASTM A194 1 ASTM A194 2 ASTM A194 2HM ASTM A194 2H ASTM A194 4
ASTM A194 3 ASTM A194 6 ASTM A194 6F ASTM A194 7 ASTM A194 7M
ASTM A194 8 ASTM A194 8A ASTM A194 8C ASTM A194 8CA ASTM A194 8M
ASTM A194 8MA ASTM A194 8T ASTM A194 8TA ASTM A194 8F ASTM A194 8FA
ASTM A194 8P ASTM A194 8PA ASTM A194 8N ASTM A194 8NA ASTM A194 8LN
ASTM A194 8LNA ASTM A194 8MN ASTM A194 8MNA ASTM A194 8MLN ASTM A194 8MLNA
ASTM A194 8R ASTM A194 8RA ASTM A194 8S ASTM A194 8SA ASTM A194 8MLCuN
ASTM A194 8MLCuNA ASTM A194 9C ASTM A194 9CA ASTM A194 16 ASTM A194

 

Technical - ASTM A194

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ASTM A234

Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel For Moderate and High Temperature Service
ASTM A234 WPB ASTM A234 WPC ASTM A234 WP1 ASTM A234 WP12 CL1 ASTM A234 WP12 CL2
ASTM A234 WP11 CL1 ASTM A234 WP11 CL2 ASTM A234 WP11 CL3 ASTM A234 WP22 CL1 ASTM A234 WP22 CL3
ASTM A234 WP5 CL1 ASTM A234 WP5 CL3 ASTM A234 WP9 CL1 ASTM A234 WP9 CL3 ASTM A234 WPR
ASTM A234 WP91 ASTM A234 WP911      

 

Technical - ASTM A234

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ASTM A320

Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service
ASTM A320 L7 ASTM A320 L7M ASTM A320 L70 ASTM A320 L7A ASTM A320 L71
ASTM A320 L7B ASTM A320 L72 ASTM A320 L7C ASTM A320 L73 ASTM A320 L43
ASTM A320 L1 ASTM A320 B8 ASTM A320 B8A ASTM A320 B8C ASTM A320 B8CA
ASTM A320 B8T ASTM A320 B8TA ASTM A320 B8P ASTM A320 B8PA ASTM A320 B8F
ASTM A320 B8FA ASTM A320 B8M ASTM A320 B8MA ASTM A320 B8LN ASTM A320 B8LNA
ASTM A320 B8MLN ASTM A320 B8MLNA      

 

Technical - ASTM A320

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ASTM A350

Standard Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components
ASTM A350 LF1 ASTM A350 LF2 ASTM A350 LF3 ASTM A350 LF5 ASTM A350 LF6
ASTM A350 LF9 ASTM A350 LF787      

 

Technical - ASTM A350

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ASTM A403

Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
ASTM A403 WPXM-19 ASTM A403 WP304 ASTM A403 WP304L ASTM A403 WP304H ASTM A403 WP304N
ASTM A403 WP304LN ASTM A403 WP309 ASTM A403 WP310S ASTM A403 WPS32154 ASTM A403 WP316
ASTM A403 WP316L ASTM A403 WP316H ASTM A403 WP316N ASTM A403 WP316LN ASTM A403 WP317
ASTM A403 WP317L ASTM A403 WPS31725 ASTM A403 WPS31726 ASTM A403 WPS31727 ASTM A403 WPS32053
ASTM A403 WP321 ASTM A403 WP321H ASTM A403 WPS33228 ASTM A403 WPS34565 ASTM A403 WP347
ASTM A403 WP347H ASTM A403 WP348 ASTM A403 WP348H ASTM A403 WPS38815  

 

Technical - ASTM A403

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ASTM A420

Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
ASTM A420 WPL6 ASTM A420 WPL9 ASTM A420 WPL3 ASTM A420 WPL8

 

Technical - ASTM A420

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ASTM A437

Standard Specification for Stainless and Alloy-Steel Turbine-Type Bolting Specially Heat Treated for High-Temperature Services
ASTM A437 B4B ASTM A437 B4C ASTM A437 B4D

 

Technical - ASTM A437

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ASTM A453

Standard Specification for High-Temperature Bolting, with Expansion Coefficients Comparable to Austenitic Stainless Steels.
ASTM A453 Gr660 ASTM A453 Gr651 ASTM A453 Gr662 ASTM A453 Gr665 ASTM A453 Gr668

 

Technical - ASTM A453

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ASTM A522

Standard Specification for Forged or rolled 8 and 9% Nickel Alloy Steel Flanges, Fittings, Valves, and parts for Low-Temperature Service.
Class Tpye I Class Tpye II

 

Technical - ASTM A522

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ASTM A540

Standard Specification for Alloy-Steel Bolting for Special Applications
ASTM A540 B21 ASTM A540 B22 ASTM A540 B23 ASTM A540 B24 ASTM A540 B24V

 

Technical - ASTM A540

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ASTM A694

Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves and Parts for High Pressure Transmission Service
ASTM A694 F42 ASTM A694 F46 ASTM A694 F48 ASTM A694 F50 ASTM A694 F52
ASTM A694 F56 ASTM A694 F60 ASTM A694 F65 ASTM A694 F70  

 

Technical - ASTM A694

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ASTM A727

Standard Specification for Carbon Steel Forgings for Piping Components with Inherent Notch Toughness
ASTM A688 TP304 ASTM A688 TP304L ASTM A688 TP304LN ASTM A688 TP316 ASTM A688 TP316L
ASTM A688 TP316LN ASTM A688 TP XM-29 ASTM A688 TP304N ASTM A688 TP316N  

 

Technical - ASTM A727

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ASTM A733

Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipple

 

Technical - ASTM A733

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ASTM A758

Standard Specification for Wrought-Carbon Steel BUtt-Welding Piping Fittings with Improved Notch Toughness

 

Technical - ASTM A758

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ASTM A774

Standard Specification for As-Welded Wrought Austenitic Stainless Steel Fittings for Temperatures
ASTM A774 TP304L ASTM A774 TP316L ASTM A774 TP317L ASTM A774 TP321 ASTM A774 TP347

 

Technical - ASTM A774

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ASTM A815

Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
ASTM A815 WP27 ASTM A815 WP33 ASTM A815 WP429 ASTM A815 WP430 ASTM A815 WP430Ti
ASTM A815 WP446 ASTM A815 WPS31803 ASTM A815 WPS32101 ASTM A815 WPS32202 ASTM A815 WPS32750
ASTM A815 WPS32950 ASTM A815 WPS32760 ASTM A815 WPS39274 ASTM A815 WPS32550 ASTM A815 WPS32205
ASTM A815 WP410 ASTM A815 WPS41008 ASTM A815 WPS41500    

 

Technical - ASTM A815

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ASTM A836

Standard Specification for Titanium-Stabilized Carbon Steel Forgings for Glass-Lined Piping and Pressure Vessel Service
C (max)
Mn (max)
P (max)
Si (max)
S (max)
Ti
0.20
0.90
0.05
0.35
0.05
4 x c - 1.00

 

Technical - ASTM A836

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ASTM A858

Standard Specification for Heat-Treated Carbon Steel Fittings for Low-Temperature and Corrosive Service
C Mn P S Si Ni Cr Mo Cu
0.20 0.90-1.35 0.030 0.010 0.15 - 0.040 0.50 0.30 0.20 0.35
All values are maximum unless a range is shown

 

Technical - ASTM A858

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ASTM A860

Standard Specification for Wrought High-Strength Ferritic Steel Butt-Welding Fittings
ASTM A860 WPHY42 ASTM A860 WPHY46 ASTM A860 WPHY52 ASTM A860 WPHY60 ASTM A860 WPHY65
ASTM A860 WPHY70        

 

Technical - ASTM A860

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ASTM A988

Standard Specification for Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves and Parts for High Temperature Service

ASTM A988 S41000 ASTM A988 S41026 ASTM A988 S41500 ASTM A988 S42390 ASTM A988 S30400
ASTM A988 S30400 ASTM A988 S30451 ASTM A988 S30453 ASTM A988 S31600 ASTM A988 S31603
ASTM A988 S31651 ASTM A988 S31653 ASTM A988 S31700 ASTM A988 S31703 ASTM A988 S21904
ASTM A988 S31254 ASTM A988 S31725

ASTM A988 S31726

ASTM A988 N08367 ASTM A988 S32654
ASTM A988 S17400 ASTM A988 S31803 ASTM A988 S32205 ASTM A988 S32950 ASTM A988 S32750
ASTM A988 S39274 ASTM A988 S32760 ASTM A988 S39277 ASTM A988 S32505  

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ASTM B363

Standard Specification for Seamless and Welded Unalloyed Titanium and Titanium Alloy Welding Fittings
ASTM B363 WPT1 ASTM B363 WPT2 ASTM B363 WPT2H ASTM B363 WPT3 ASTM B363 WPT7
ASTM B363 WPT7H ASTM B363 WPT9 ASTM B363 WPT11 ASTM B363 WPT12 ASTM B363 WPT13
ASTM B363 WPT14 ASTM B363 WPT15 ASTM B363 WPT16 ASTM B363 WPT16H ASTM B363 WPT17
ASTM B363 WPT18 ASTM B363 WPT19 ASTM B363 WPT20 ASTM B363 WPT21 ASTM B363 WPT23
ASTM B363 WPT24 ASTM B363 WPT25 ASTM B363 WPT26 ASTM B363 WPT26H ASTM B363 WPT27
ASTM B363 WPT28 ASTM B363 WPT33 ASTM B363 WPT34 ASTM B363 WPT35 ASTM B363 WPT36
ASTM B363 WPT37 ASTM B363 WPT38      

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ASTM B366

Standard Specification forFactory-Made Wrought Nickel and Nickel Alloy Fittings
ASTM B366 WPN ASTM B366 WPNL ASTM B366 WPNC ASTM B366 WPHX ASTM B366 WPHG
ASTM B366 WPHC22 ASTM B366 WPV602 ASTM B366 WPHG30 ASTM B366 WPHG35 ASTM B366 V45TM
ASTM B366 WP5923 ASTM B366 WPHC2000 ASTM B366 WPM21 ASTM B366 WPH230 ASTM B366 WPHC4
ASTM B366 WPNCI ASTM B366 WP603GT ASTM B366 WPNCMC ASTM B366 WPIN686 ASTM B366 WP626Si
ASTM B366 WPHG3 ASTM B366 WP20CB ASTM B366 WP904L ASTM B366 WP3127 ASTM B366 WPH120
ASTM B366 WP330 ASTM B366 WP6XN ASTM B366 WPNIC ASTM B366 WPNIC10 ASTM B366 WPNIC11
ASTM B366 WPNICMC ASTM B366 WP1925 ASTM B366 WP2120 ASTM B366 WP1925N ASTM B366 WPHB
ASTM B366 WPHN ASTM B366 WPH242 ASTM B366 WPHC276 ASTM B366 WPB10 ASTM B366 WPVB4
ASTM B366 WPHB2 ASTM B366 WPHB3 ASTM B366 WPH160 ASTM B366 WP3033 ASTM B366 WPH556

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ASTM B381

Standard Specification for Titanium and Titainium Alloy Forging
ASTM B381 F-1 ASTM B381 F-2 ASTM B381 F-2H ASTM B381 F-3 ASTM B381 F-4
ASTM B381 F-5 ASTM B381 F-6 ASTM B381 F-7 ASTM B381 F-7H ASTM B381 F-9
ASTM B381 F-11 ASTM B381 F-12 ASTM B381 F-13 ASTM B381 F-14 ASTM B381 F-15
ASTM B381 F-16 ASTM B381 F-17 ASTM B381 F-18 ASTM B381 F-19 ASTM B381 F-20
ASTM B381 F-21 ASTM B381 F-23 ASTM B381 F-24 ASTM B381 F-25 ASTM B381 F-26
ASTM B381 F-26H ASTM B381 F-27 ASTM B381 F-28 ASTM B381 F-29  

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ASTM B462

Standard Specification for Forged or Rolled Alloy Pipe Flanges, Forged Fittings and Valves and Parts for Corrosive High-Temperature Service
ASTM B462 N08026 ASTM B462 N08020 ASTM B462 N08024 ASTM B462 N08367 ASTM B462 R20033
ASTM B462 N06030 ASTM B462 N06022 ASTM B462 N06200 ASTM B462 N10276 ASTM B462 N10665
ASTM B462 N10672 ASTM B462 N06059 ASTM B462 N06686 ASTM B462 N08031 ASTM B462 N06045
ASTM B462 N06025 ASTM B462 N10629 ASTM B462 N06035    

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ASTM B564

Standard Specification for Nickel Alloy Forgings

ASTM B564 N02200 ASTM B564 N02201 ASTM B564 N04400 ASTM B564 N06002 ASTM B564 N06007
ASTM B564 N06022 ASTM B564 N06025 ASTM B564 N06030 ASTM B564 N06035 ASTM B564 N06045
ASTM B564 N06058 ASTM B564 N06059 ASTM B564 N06200 ASTM B564 N06210 ASTM B564 N06230
ASTM B564 N06455 ASTM B564 N06600 ASTM B564 N06603 ASTM B564 N06625 ASTM B564 N06686
ASTM B564 N06219 ASTM B564 N06985 ASTM B564 N08020 ASTM B564 N08031 ASTM B564 N08120
ASTM B564 N08330 ASTM B564 N08367 ASTM B564 N08800 ASTM B564 N08810 ASTM B564 N08811
ASTM B564 N08825 ASTM B564 N08904 ASTM B564 N08925 ASTM B564 N08926 ASTM B564 N10001
ASTM B564 N10003 ASTM B564 N10242 ASTM B564 N10276 ASTM B564 N10624 ASTM B564 N10629
ASTM B564 N10665 ASTM B564 N10675 ASTM B564 N12160 ASTM B564 R20033 ASTM B564 R30556

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ASTM B637

Standard Specification for Precipitation-Hardening Nickel Alloy Bars, Forgings and Forging Stock for High-Temperature Service
ASTM B637 N07252 ASTM B637 N07001 ASTM B637 N07500 ASTM B637 N07750 ASTM B637 N07718
ASTM B637 N07080 ASTM B637 N07752 ASTM B637 N09925 ASTM B637 N07725  

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