MITHIBORWALA TRADING CO. L.Lmithiborwaala.com/MTC Catalogue.pdfSPRING LOCK WASHER DIN 127 FLAT WASHER DIN 125 / DIN 126 HARDENED WASHERS MITHIBORWALA TRADING CO.LLC 8 Standard Speci˝cation

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MITHIBORWALA TRADING CO. L.L.C

Tel: +971 4 2226483 Fax: +971 4 2226484PO Box: 377062, Deira, Dubai - UAEEmail: [email protected]




INTRODUCTION

Mithiborwala Trading Co. LLC is the Dubai, U.A.E based company specialized in trading and supply since 2004. We‘re the team of professionals who understand what customer needs are and try to fulfill those requirements in appropriate span of time with suitable price.

Our commitment for “ Quality, Price and Delivery ” provides us with a leading edge over other suppliers.

At Mithiborwala Trading Co LLC, you will find complete range of top quality materials that you demand, supported by In-Depth Stocks, Competitive pricing, Reliable Delivery.

Our Customers belongs from Oil Fields, Ships Repairs, Aluminum Engineering, Steel Fabrication & Construction Industries, GRC Works and Construction Companies.

Products at a glance: We have a complete range of Fasteners, Lifting Precast Products, and Abrasives.

We would like to have business relationship with you and work for your venture. One of our company representatives would like to personally meet you and discuss how we could help you.

If you are interested please don’t hesitate to contact us and discuss for further steps.

MTC wishes: To provide the best, controlling quality standard and metallurgy through all stages of procurement and consistent of materials.

Kind Regards,

Mithiborwala Tradg. Co. L.L.CDubai (U.A.E)

ABOUT US




Although utmost care has been taken for compilation of this catalogue, all information given here is for referencepurpose only, the company accepts no liability for any loss or damage either direct or consequential arising out of use

of this catalogue. Customers are requested to refer the latest relevant original standards for up to date information.

INDEX

STUD & HEAVY HEX NUT - A193/A194(M) SERIES

HEX HEAD BOLTS - DIN 931 / 933

HEAVY HEX BOLTS - A325/A325M

STAINLESS STEEL & NON FERROUS FASTENER

HEXAGON NUT - DIN 934

ANCHOR BOLT GRADES

ANCHOR BOLT CONFIGURATIONS

U BOLTS - GRIP TYPE

HEAVY HEX BOLTS - A490/A490M

14

12

11

10

9

8

7

6

5

4

3

2

15

THROUGH BOLTS & DROP IN ANCHORS

16

FULLY THREAD ROD, LONG SPRING & CHANNEL NUT

17

Tel: +971 4 2226483 Fax: +971 4 2226484, Email: [email protected], Website: www.mithiborwaala.com 1

HEAVY HEX NUT - A325(M), A490(M)

FLAT AND SPRING WASHERS

MITHIBORWALA TRADING CO. LLCMITHIBORWALA TRADING CO. LLC

CHEMICAL & MECHANICAL REQUIREMENTS

METRIC SERIES - PHYSICAL PROPERTIES




2

STUD & HEAVY HEX NUTA 193M / A320M / A194M


Tel: +971 4 2226483 Fax: +971 4 2226484, Email: [email protected], Website: www.mithiborwaala.com




HEXAGON HEAD BOLTS - DIN 931/933



HEAVY HEXAGON BOLTA325 / A325M


4 Tel: +971 4 2226483 Fax: +971 4 2226484, Email: [email protected], Website: www.mithiborwaala.com

HEAVY HEXAGON BOLTA490 / A490M



HEXAGON NUT - DIN 934



HEAVY HEX NUT - A325(M), A490(M)



SPRING LOCK WASHER DIN 127

FLAT WASHERDIN 125 / DIN 126

HARDENED WASHERS


8

Standard Speci�cation : ASTM F 436MMaterial : Medium Carbon SteelType : Type 1Hardness : Black Washer 38 ~45 HRC, HDG Washer 26 ~45 HRCSurface Finish : Black, Zinc Plated Hot Dipped Galvanized


U-BOLT (TO GRIP PIPE)






10

ANCHOR BOLT GRADES






ANCHOR BOLT CONFIGURATION






STAINLESS STEEL & NON FERROUS FASTENERS






STAINLESS STEEL & NON FERROUS FASTENERS



STAINLESS STEEL GRADES

13




WEDGE ANCHORS (THROUGH BOLTS)

DROP IN ANCHOR (UNIFIX)

EXPANSION SHIELD (FIX BOLT)


14

ZINE PLATED, YELLOW ZINC PLATED, HDG & STAINLESS STEEL A4/A2

TYPE A (POLISH)

TYPE B (KNURLING)

ASSEMBLY SEQUENCE





Coating: Electro Galv., Hotdip Galv., Stainless Steel BrassGrade : 4.8, 8.8, A307A, A307B, A36, SS304, SS316

Note :

1. The stud bolts will generally conform to ASTM, A307A, A307B, DIN 975

2. As per standard

Size (MM) x (H) Size (Inch) x (H)

M6 x 34.5 x 19 x 6 1/4 x 1/4"M8 x 34.5 x 19 x 8 5/16 x 5/16"M10 x 34.5 x 19 x 8 3/8 x 3/8"

M12 x 34.5 x 19 x 9.2 1/2 x 3/8"M16 x 34.5 x 19 x 12 1/2 x 1/2"

Coating: Electro Galv., Hotdip Galv.Grade : ASTM A36, SS304, SS316

FULLY THREAD ROD

MM PITCH6 1.008 1.25

10 1.5012 1.7514 2.0016 2.5018 2.5020 2.5022 3.0024 3.0027 3.0030 3.5033 3.5036 4.0039 4.0042 4.5045 4.5048 5.0052 5.0056 5.5064 6.00

UNC PITCH

1/4" 20

5/16" 18

3/8" 16

1/2" 13

5/8" 11

3/4" 10

7/8" 9

1" 8

1-1/8" 7

1-1/4" 7

1-1/2" 6

1-3/4" 5

2" 4

2-1/2" 4.5

LONG SPRING, CHANNEL NUT (SPRING 35-40)



CHEMICAL & MECHANICAL REQUIREMENTS

ASTM A193 B7 (Cr - Mo AISI 41 40, 41 42, 41 45)

This material is considered as the most suitable for bolts to be used at temperature below 450 C,with a minimum e�ect on its structural strength during application at a high temperature.The material has the following chemical properties and physical Characteristics.

C Mn P S Si Cr Mo

0.37-0.49 0.65-1.10 0.0035 Max 0.04 Max 0.15-0.35 0.75-1.20 0.15-0.25

DiaMinimum Tempering

Temperature (⁰F)Tensile Strength min,

ksi (Mpa)Yield Strength. Min

0.2% offset, Ksi (Mpa)Elongation in 4D min%

Reduction of Area min%

Hardness max

2-1/2" and under 1,100 (593 ⁰C) 125(860) 105(720) 16 50 321HB or 35 HRc

over 2-1/2" to 4" 1,100 (593 ⁰C) 115(795) 95(655) 16 50 302HB or 35 HRc

over 4" to 7" 1,100 (593 ⁰C) 100(690) 75(515) 18 50 277HB or 29 HRc

ASTM A193 B7M (Cr - Mo AISI 4140, 4142, 4145)

C Mn P S Si Cr Mo0.37-0.49 0.65-1.10 0.0035 Max 0.04 Max 0.15-0.35 0.75-1.20 0.15-0.25

DiaMinimum Tempering

Temperature (⁰F)Tensile Strength min,

ksi (Mpa)Yield Strength. Min

0.2% offset, Ksi Elongation in 2" min%

Reduction of Area min%

Hardness max

2-1/2" and under 1150 (620 ⁰C) 100(690) 80(550) 18 50 235HB, 99HRB

This material is considered as the most suitable for bolts to be used at temperature below 450 C,even at a high temperature range, the material has superior physical characteristics compared toASTM A193 B7 previously mentioned.

ASTM A193 B7M (Cr - Mo AISI 4140, 4142, 4145)

C Mn P S Si Cr Mo AI V0.36-0.47 0.45-0.70 0.0035 Max 0.04 Max 0.15-0.35 0.80-1.15 0.50-0.65 0.015 Max 0.25-0.35

DiaMinimum Tempering Temperature (⁰F) ⁰C

Tensile Strength min, ksi (Mpa)

Yield Strength. Min 0.2% offset, Ksi (Mpa)

Elongation in 4D min%Reduction of Area

min%

2-1/2" and under 1200(650) 125(860) 105(725) 18 50

over 2-1/2" to 4" 1200(650) 110(760) 95(655) 17 45

over 4" to 7" 1200(650) 100(690) 85(586) 16 45

Hardness max

321HB or 35 HRc

302HB or 33 HRc

277HB or 29 HRc



METRIC SERIES - PHYSICAL PROPERTIES

Heavy Hex Structural Bolts - ASTMA 325M

Type '1' Type '1'M12 to M24 M25 to M36

Tensile Strength (Min) (N/mm²) 830 830

Yield Strength (Min) (N/mm²) 660 660

Proof Load Stress (Min) (N/mm²) 600 600

On GL 2" Elongation (Min) [%] 12 12

Reduction of Area (Min [%] 35 35

Hardness

(HR)

Bolt length < 2D C25-C34 Bolt length 2D and Over C34

(Max)

Bolt length < 3D C19-C30 Bolt length 3D and Over C30

(Max)

Physical PropertiesNormal Thread Size

Grade C Mn (Max) P (Max) S (Max) Hardness Required BHN

O 0.58 Max - 0.13 - 103 to 302A 0.58 Max - 0.13 - 116 to 302B 0.58 Max - 0.13 - 90 to 121C 0.58 Max - 0.13 - 143 to 352D 0.58 Max 0.27 0.048 0.058 159 to 352

DH 0.18-0.58 0.57 0.048 0.058 248 to 352

ASTM A563: This speci�cation of material is used for manufacturing nuts for bolts/studs made from ASTM A307

Temperature Range Material Bolt/Nut

100⁰C - 200⁰ C A320B8/Gr.846⁰ C - 100⁰ C A320L7/Gr.4

0⁰ C - 45⁰ C A320L7/Gr.4, SNB7/S45C0⁰ - 300⁰ C A307 SS400

300⁰ C - 400⁰ CA193B7/Gr. 2H, B7/2H,

SNB7/S45C400⁰ C - 550⁰ C A193B16/Gr.4

Temperature Range Material Bolt/Nut

550⁰ C - 650⁰ CA193B8/Gr.8

A193B8M/Gr.8M

650⁰ CA453Gr. 660

A453Gr, 660/Gr. 8C750⁰ C Hastally B & C1000⁰ C Chromium Alloy

Material Selection






Tel : +971 4 2226483, Fax: +971 4 2226484Emai l : a l i@mtcdubai .org , www.mithiborwaala.com

PO Box: 377062, Deira, Dubai - UAE

Mithiborwala Trdg Co. L.L.C

Din 338HSS DRILL BIT

Metal Cutting Discs & Grinding Discs

Documents

MITHIBORWALA TRADING CO. L.Lmithiborwaala.com/MTC Catalogue.pdfSPRING LOCK WASHER DIN 127 FLAT WASHER DIN 125 / DIN 126 HARDENED WASHERS MITHIBORWALA TRADING CO.LLC 8 Standard Speci˝cation