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Toog Tooj Txheej Ntsia Hlau Grub screws

Metric Loj: M1.4 - M52, Nti Loj: 0 # - 2 "

Hexagon ntsawb (Allen), Torx Star, Square, slotted Drive Hom

Pav ca Point, khob Point, Lub khob hliav qab Point, Aub Point

Lwm yam Drive thiab Point hom no kuj muaj nyob ACC. rau cov neeg uas yuav tsum tau

Ntau Deg Finishes

Ntau yam khoom Qib yog muaj

Thov koj xav tiv tauj peb rau ntau cov ntsiab lus

A193 B7 Heavy Hex Bolts Heavy Hex Cap Screws

Standard: ASME / ANSI B18.2.1, ASME / ANSI B18.2.3.7M

(Ntau hom ntawm lub taub hau yog muaj)

Nti Loj: 1/2 "-2.3 / 4" nrog rau ntau yam lengths

Metric Loj: 1/2-M72 nrog rau ntau yam lengths

Grade: ASTM A193 B7

Finish: Dub Oxide, Zinc Plated, Zinc Nickel Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A325 / A325M Heavy Hex Structural Bolts

Lub bolts yog npaj rau kev siv nyob rau hauv cov yam ntxwv kev sib txuas. Cov kev sib txuas yog them nyob rau hauv cov kev cai ntawm lub Specification rau ntxwv pob qij txha Siv ASTM A325 bolts, pom zoo los ntawm lub tshawb fawb Council on Lub Khoos Loos Tsev Connections, endorsed los ntawm cov American koom haum ntawm Steel siv cov kev faib thiab los ntawm cov Industrial khawm ris lub koom haum.

Dimension: ASME B18.2.6 (Inch Size),  ASME B18.2.3.7M (Metric Size)

Thread Size: 1/2″-1.1/2″,  M12-M36, with various lengths

Grade: ASTM A325 / A325M Type-1

Finish: Dub Oxide, Zinc Plating, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi, ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

In 2016, ASTM A325 was officially withdrawn and replaced by ASTM F3125, in which A325 now becomes a grade under the F3125 specification.  The F3125 specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852, and F2280. 

Prior to its withdrawl in 2016, the ASTM A325 specification covered high strength heavy hex structural bolts from 1/2″ diameter through 1-1/2″ diameter. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts. 

This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with similar mechanical properties, see Specification A449.

Bolts for general applications, including anchor bolts, are covered by Specification A449. Also refer to Specification A449 for quenched and tempered steel bolts and studs with diameters greater than 1-1/2″ but with similar mechanical properties.

 

 

 

ASTM A325M 8S Metric Loj Heavy Hex ntxwv bolts

Lub bolts yog npaj rau kev siv nyob rau hauv cov yam ntxwv kev sib txuas. Cov kev sib txuas yog them nyob rau hauv cov kev cai ntawm lub Specification rau ntxwv pob qij txha Siv ASTM A325 bolts, pom zoo los ntawm lub tshawb fawb Council on Lub Khoos Loos Tsev Connections, endorsed los ntawm cov American koom haum ntawm Steel siv cov kev faib thiab los ntawm cov Industrial khawm ris lub koom haum.

 

Dimension: ASME / ANSI B18.2.3.7M

Xov Loj: M12-M36 nrog rau ntau yam ntev

Grade: ASTM A325M hom-1

Qib Npav: A325M 8S

Finish: Dub Oxide, Zinc Plating, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

 

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi, ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

 

ASTM A193/A193M B7 All Threaded NQHAJ bolts

API 6A 6D Flange Valve Wellhead ASME/ANSI flange  All Thread Stud Bolts

Ib tug lloy steel bolting  for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.

Standard: IFI-136, ASME B16.5, DIN976

Nti Loj: 1/4 "-4" nrog rau ntau yam lengths

Metric Loj: M6-M100 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 ,  B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A193 Scope

Originally approved in 1936, this specification is heavily utilized in petroleum and chemical construction applications.  The ASTM standard covers alloy steel and stainless steel bolting materials for high temperature or high pressure service. This specification includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. Although, this material is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.

Below is a basic summary of a few of the common grades. ASTM A193 covers a number of other standard specifications not covered in this description including B5, B6, and B16.

Grades

B7

Alloy steel, AISI 4140/4142 quenched and tempered

B8

Class 1 Stainless steel, AISI 304, carbide solution treated.

B8M

Class 1 Stainless steel, AISI 316, carbide solution treated.

B8

Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened

B8M

Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened


Mechanical Properties

Grade

    Size

Tensile ksi, min

Yield, ksi, min

Elong, %, min

RA % min

B7

    Up to 2-1/2  

125

105

16

50

    2-5/8 – 4

115

95

16

50

    4-1/8 – 7

100

75

18

50

B8 Class 1

    All

75

30

30

50

B8M Class 1

    All

75

30

30

50

B8 Class 2

    Up to 3/4

125

100

12

35

    7/8 – 1

115

80

15

35

   1-1/8 – 1-1/4

105

65

20

35

   1-3/8 – 1-1/2

100

50

28

45

B8M Class 2

    Up to 3/4

110

95

15

45

   7/8 – 1

100

80

20

45

   1-1/8 – 1-1/4

95

65

25

45

   1-3/8 – 1-1/2

90

50

30

45


Recommended Ceev and 
Txuas

Bolt Grade

Ceev

Txuas

B7

A194 Grade 2H

F436

B8 Class 1

A194 Grade 8

SS304

B8M Class 1

A194 Grade 8M

SS316

B8 Class 2

A194 Grade 8

SS304

B8M Class 2

A194 Grade 8M

SS316


Strain hardened nuts available as a supplementary requirement

ASTM A320 / A320M L7 Tag nrho Threaded NQHAJ bolts

Alloy steel bolting rau siab hlab ntsha, li qub, flanges, thiab fittings rau cov uas tsis-kub kev pab cuam.

Standard: IFI-136, ASME B16.5, DIN976

Nti Loj: 1/4 "-2.1 / 2" nrog rau ntau yam lengths

Metric Loj: M6-M64 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A193 / A193M B7M Tag nrho  Threaded NQHAJ bolts

Ib tug lloy steel bolting  for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.

Standard: IFI-136, ASME B16.5, DIN976

Nti Loj: 1/4 "-4" nrog rau ntau yam lengths

Metric Loj: M6-M100 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A320 / A320M L7M Tag nrho Threaded NQHAJ bolts

Standard: IFI-136, ASME B16.5, DIN976

Nti Loj: 1/4 "-2.1 / 2" nrog rau ntau yam lengths

Metric Loj: M6-M64 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A193 / A193M B16 Tag nrho Threaded NQHAJ bolts

Alloy steel bolting rau siab hlab ntsha, li qub, flanges, thiab fittings rau kub los yog kub siab kev pab cuam, los yog lwm yam tshwj xeeb lub hom phiaj ntawv.

 

Standard: IFI-136, ASME B16.5, DIN976

Nti Loj: 1/4 "-4" nrog rau ntau yam lengths

Metric Loj: M6-M100 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

Chrome Plated A193 B7 Threaded NQHAJ bolts

API 6A flange Valve Wellhead Tag nrho Xov NQHAJ bolts

Standard: IFI-136, ASME B16.5, DIN976

Nti Loj: 1/4 "-4" nrog rau ntau yam lengths

Metric Loj: M6-M100 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16, B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM F436 F436M Hardened Hlau Txuas

Hardened Yeej, clipped Yeej, thiab ntxiv-Tuab Txuas, beveled Txuas

Metric Loj: M12-M100 

Nti Loj: 1/4 "-4"

Khoom Grade: Los ntawm tawv txuas yuav tsum muaj ib tug hardness ntawm 38 mus rau 45 HRC, tsuas yog thaum zinc-coated los ntawm cov kub-dip txheej txheem, nyob rau hauv uas cov ntaub ntawv lawv yuav tsum muaj ib tug hardness ntawm 26 mus rau 45 HRC.

Metric txuas yog haum rau siv nrog fasteners them nyob rau hauv Specifications A 325M, A 490M, A 563M thiab nrog fasteners ntawm Specification F 568 vaj tse kawm ntawv 8.8 thiab ntau dua.

Nti txuas yog haum rau siv nrog fasteners them nyob rau hauv Specifications A325, A 354, A 449, thiab ib 490.

Finish: Dub Oxide, Zinc Plated, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi,

ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A193 / A193M B7 Kais End Studs Ob chav End Studs

API flange Valve Wellhead Kais End Studs

Alloy steel bolting rau siab hlab ntsha, li qub, flanges, thiab fittings rau kub los yog kub siab kev pab cuam, los yog lwm yam tshwj xeeb lub hom phiaj ntawv.

 

Standard: IFI-136, ASME B16.5

Nti Loj: 1/4 "-4" nrog rau ntau yam lengths

Metric Loj: M6-M100 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

EN14399-5 Tiaj Txuas EN14399-6 Chamfered Txuas

Rau High zog ntxwv Steel bolting

Loj: M12 M36-

Finish: Dub Oxide, Zinc Plated, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi, ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

Din6916 pav ca Round Txuas Rau High zog ntxwv Steel bolting

Loj: M12 M36-

Finish: Dub Oxide, Zinc Plated, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi, ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A320 / A320M L7 Kais End Studs Ob chav End Studs

Standard: IFI-136, ASME B16.5

Nti Loj: 1/4 "-2.1 / 2" nrog rau ntau yam lengths

Metric Loj: M6-M64 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

DIN127B Caij nplooj ntoos hlav Xauv Washer

Loj: M4-M76

Ntau yam khoom Steel thiab Qib yog muaj.

Finish: Dub Oxide, Zinc Plated, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi, ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A193 / A193M B7 thaum lawv tseem Studs Kauj ruam Down Studs

Alloy steel bolting rau siab hlab ntsha, li qub, flanges, thiab fittings rau kub los yog kub siab kev pab cuam, los yog lwm yam tshwj xeeb lub hom phiaj ntawv.

 

Standard: Raws li duab

Nti Loj: 1/4 "-4" nrog rau ntau yam lengths

Metric Loj: M6-M100 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

DIN125A pav ca Txuas

Loj: M4-M160

Ntau yam khoom Steel thiab Qib yog muaj.

Finish: Dub Oxide, Zinc Plated, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi, ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

USS yog US Standard Txuas.

SAE Txuas yog ua tau raws li Society of Automotive Engineers specifications. Lawv yog cov ntawm me me OD thiab thinner gauges tshaj lawv counterpart ntau thiab tsawg pab ntawm US Standard Txuas.

Dimension: ANSI B18.22.1

Loj: 1/4 "-1.1 / 2"

Ntau yam khoom Steel thiab Qib yog muaj.

Finish: Dub Oxide, Zinc Plated, Kub Poob Galvanized, Dacromet, thiab thiaj li nyob

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqi, ncauj tus me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.

ASTM A320 / A320M L7 thaum lawv tseem Studs

Standard: Raws li duab

Nti Loj: 1/4 "-2.1 / 2" nrog rau ntau yam lengths

Metric Loj: M6-M64 nrog rau ntau yam lengths

Lwm yam Grade:

ASTM A193 / A193M B7, B7M, B16 B8 Class 1 & 2, B8M Class 1 & 2,

ASTM A320 / A320M L7, L7M, L43, B8 Class 1 & 2, B8M Class 1 & 2, thiab thiaj li nyob.

Finish: Plain, Dub Oxide, Zinc Plated, Zinc Nickel Plated, cadmium Plated, PTFE etc.

Cov: Tej txog 25 kgs txhua thawv, 36 cartons txhua pallet

Advantage: High Quality thiab nruj Tswjhwm, sib tw nqe, ncauj me nyuam; Kev them nyiaj yug, Supply Test Reports

Thov koj xav tiv tauj peb kom paub meej ntxiv.