ASTM A500 Carbon Steel Qauv Tubing Cov txiaj ntsig

A500 Carbon Steel Structural Tubing muab ob peb qhov zoo tshaj plaws uas ua rau nws nrhiav tau cov khoom siv zoo heev rau kev siv cov khoom siv thauj khoom. Qee qhov kev paub zoo tshaj plaws uas A500 Carbon Steel Structural Tubing muab suav nrog:

A500 Steel Qhov Zoo

Weldability zoo heev

Zoo machinability

Nws tuaj yeem ua haujlwm txias

Aesthetically txaus siab

ASTM A500 Carbon Steel Qauv Tubing Specifications & Requirements

ASTM A500 specifications hais tias tsim cov pa roj carbon steel tubing yuav tsum tau raws li tej yam specifications ua ntej yuav muab muag rau txhua hom phiaj. A 500 carbon steel spec daim ntawv muab txoj hauv kev yooj yim thiab yooj yim los xyuas cov qauv khoom ua ntej pib koj qhov project tom ntej.

A500 Carbon Steel Chaw tsim tshuaj paus Specifications

ASTM A500 spec hais tias welded tubing yuav tsum tau ua los ntawm cov hlau tiaj tus uas siv hluav taws xob tiv thaiv vuam. Longitudinal pob qij txha ntawm welded tubing yuav tsum tau welded hla nws thickness nyob rau hauv xws li ib tug yam ntxwv raws li kom paub tseeb tias tus qauv tsim lub zog ntawm lub tubing seem. Welded structural steel tubing feem ntau yog cov rooj tog tsis muaj kev tshem tawm hauv flash.

A500 Carbon Steel Material Component Properties

A500 carbon steel structural tubing tsuas yog tsim los ntawm cov ntaub ntawv uas phim cov qauv rau carbon steel. Cov tshuaj muaj pes tsawg leeg rau A500 feem ntau yog hlau nrog ntxiv carbon, manganese, phosphorus, sulfur, thiab tooj liab. Tshawb xyuas daim ntawv qhia hauv qab no kom paub meej A500 carbon steel chemical specifications.

ASTM A500 Qib A, ASTM A500 Qib B, ASTM A500 Qib D, thiab ASTM A500 Qib C

Kev sib xyaw,%
Element	Qib A, B thiab D			Grace C
	Kub Kev tsom xam	Khoom Kev tsom xam	Kub Kev tsom xam	Khoom Kev tsom xam
Carbon, max	0.26	0.30	0.23	0.27
Manganese, max	...	...	1.35	1.40
Phosphorus, max	0.035	0.045	0.035	0.045
Sulfur, max	0.035	0.045	0.035	0.045
Tooj, thaum tooj liab hlau yog teev, min	0.20	0.18	0.20	0.18

A500 Carbon Steel Mechanical Properties

Tensile lub zog yog hais txog tus nqi ntawm stretching kev nyuaj siab ib yam khoom muaj peev xwm tiv taus ua ntej tawg los yog ua tsis tau tejyam. Qhov kawg tensile lub zog ntawm A500 carbon steel yog xam los ntawm kev faib cheeb tsam ntawm cov hlau los ntawm cov kev ntxhov siab tso rau nws, uas yog qhia nyob rau hauv cov nqe lus ntawm phaus los yog tons ib square inch ntawm cov khoom. Tensile zog yog ib qho tseem ceeb ntsuas ntawm A500 lub peev xwm ua tau nyob rau hauv ib daim ntawv thov. A500 carbon steel lub zog tensile yog piav nyob rau hauv daim ntawv hauv qab no.

Tensile Requirements ntawm ASTM A500 Qib

Round Structural Tubing
	Qib A	Qib B	Qib C	Qib D
Tensile zog, mn, ps (MPa)	45 000 (310)	58 000 (400)	62 00 (427)	58 000 (400)
Yield zog, mn, psi (MPa)	33 000 (228)	42 000 (290)	46 000 (317)	36 000 (250)
Elongation hauv 2 nti (50.8 mm), min, %^A	25^B	23^C	21^D	23^C

Zoo li tus qauv tubing
	Qib A	Qib B	Qib C	Qib D
Tensile zog, mn, ps (MPa)	45 000 (310)	58 000 (400)	62 00 (427)	58 000 (400)
Yield zog, mn, psi (MPa)	39 000 (269)	46 000 (317)	50 000 (345)	36 000 (250)
Elongation hauv 2 nti (50.8 mm), min, %^A	25^B	23^C	21^D	23^C

ASTM A500 Carbon Steel Permissible Dimensional Variations rau Sab Nraud Dimensions

Kev ntsuas sab nraud rau A500 carbon steel raj yuav tsum tau ua ntawm txoj haujlwm tsawg kawg yog 2 "(50.8mm) los ntawm qhov kawg ntawm lub raj.

Rau cov qauv puag ncig lub raj nrog nominal OD ntawm 1.900" (48.26mm) thiab me dua, txoj kab uas hla sab nraud yuav tsis txawv ntau dua ±0.5%, sib npaug rau qhov ze tshaj { {13}}.005" (0.13mm), ntawm qhov loj me. Rau nominal ODs ntawm 2 "(50.8mm) thiab loj, sab nraud txoj kab uas hla yuav tsis txawv ntau tshaj ± 0.75%, sib npaug rau qhov ze tshaj 0.005".

Square structural tubing thiab rectangular structural tubing yuav tsum tau ntsuas thoob plaws lub tiaj tiaj thiab suav nrog cov nyiaj pub dawb rau convexity lossis concavity. Cov qhov ntev tshwj xeeb yuav tsum tsis pub tshaj qhov ntxiv / rho tawm cov nyiaj pub dawb uas pom hauv cov lus hauv qab no.

A500 Sab nraum Dimensional Tolerances rau Square & Rectangular Steel tubing

Muaj ntau qhov kev txiav txim siab uas yuav tsum tau suav rau thaum txiav txim siab rau sab nraud qhov ntev ntev rau cov square thiab square steel tubing. Daim ntawv qhia hauv qab no thiab cov cwj pwm hauv qab no piav qhia qhov tseeb sab nraud qhov kam rau ua rau A500 carbon steel.

Sab Nraud Loj Loj Loj, hauv. (mm)	Loj Flat Dimension Tolerance,^Aplus thiab minus, in. (mm)
2½ (63.5) lossis qis dua	0.020 (0.51)
Tshaj 2½ txog 3½ (63.5 txog 88.9), suav nrog	0.025 (0.64)
Tshaj 3½ txog 5½, inc	0.030 (0.76)
Tshaj 5½ (139.7)	0.01 lub sij hawm loj tiaj tiaj

Phab ntsa tuab:Qhov tsawg kawg nkaus phab ntsa thickness ntawm txhua qhov kev ntsuas yuav tsum tsis pub tsawg dua 90% ntawm cov phab ntsa nominal thickness. Qhov siab tshaj plaws phab ntsa thickness, tsis suav nrog weld seams, yuav tsum tsis txhob ntau tshaj 110% ntawm cov nominal phab ntsa thickness. Phab ntsa thickness ntawm square structural tubing thiab rectangular structural tubing yuav tsum tau ntsuas nyob rau hauv nruab nrab ntawm lub tiaj tus.

STRAIGHTNESS:Kev tso cai hloov pauv hauv qhov ncaj rau cov qauv tubing yog 1/8 "xwb qhov ntev ntawm ko taw (lossis 10.4mm npaug ntawm cov meters) muab faib los ntawm tsib.

SIB SQUARENESS:Rau square structural tubing thiab rectangular structural tubing, sab nyob ib sab yuav deviate ntawm 90 degree los ntawm tsis ntau tshaj ± 2 degree.

KHOOM RADII:Rau square structural tubing thiab rectangular structural tubing, lub vojvoog ntawm ib tug neeg sab nraud ces kaum yuav tsis pub tshaj peb zaug (3x) lub thickness ntawm phab ntsa.

TWIST:Rau square structural tubing thiab rectangular structural tubing, qhov tolerances rau twist (variation nrog rau axial alignment) yog qhia nyob rau hauv cov lus hauv qab no.

Twist Tolerances rau Square thiab Rectangular Structural Tubing

Specified Dimension ntawm Longest Sab, in. (mm)	Qhov siab tshaj plaws Twist hauv Thawj 3 ft (1 m) thiab hauv txhua qhov ntxiv 3 ft
	hauv.	mm
1½ (38.1) thiab qis dua	0.050	1.39
Tshaj 1½ txog 2½ (38.1 txog 63.5), suav nrog	0.062	1.72
Tshaj 2½ txog 4 (63.5 txog 101.6), incl	0.075	2.09
Tshaj 4 txog 6 (101.6 txog 152.4), incl	0.087	2.42
Tshaj 6 txog 8 (152.4 txog 203.2), incl	0.100	2.78
Tshaj 8 (203)	0.112	3.11

A500 Carbon Steel Twist Tolerances rau Square & Rectangular Structural Tubing

Twist yog ntsuas los ntawm ob qho tib si tuav ib kawg ntawm ib lub raj square / duab plaub ntawm lub tiaj tiaj, nrog rau sab hauv qab ntawm lub raj xa mus rau lub phaj saum npoo ntawm ob lub ces kaum ntawm qhov kawg ntawm sab hauv qab ntawm lub raj; los yog, los ntawm kev ntsuas qhov sib txawv ntawm qhov hnyav dua los ntawm kev ntsuas qhov tsim nyog. Qhov sib txawv ntawm qhov siab ntawm cov ces kaum yuav tsum tsis txhob tshaj qhov tseem ceeb hauv cov lus saum toj no.

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