SA 333 GR6 Seamless yeeb nkab

Dec 04, 2025

ASTM A333 GR6 Low Temperature Pipes Description

‌SA-333 Gr.6 (ASTM A333 Qib 6) seamless steel yeeb nkab rau qis- qhov kev pabcuam kub, sib npaug rau A333 Gr.6 cryogenic yeeb nkab, yog cov khoom siv tshwj xeeb seamless tubular engineered rau qhov chaw cryogenic. Ua raws li cov qauv tsim los ntawmAmerican Society for Testing thiab Materials (ASTM), nws xaTshwj xeeb cryogenic toughness, siab zog, thiab superior cuam tshuam kuj‌.

Manufactured los ntawmqis- hlau alloynrog kev tswj xyuas meej ntawm cov tshuaj muaj pes tsawg leeg thiab cov txheej txheem kho cua sov, cov khoom no tswj tauruaj khov mechanical zogthiabzoo heev weldabilitytxawm nyob ntawm ultra- qhov kub thiab txias. Qhov tseem ceeb, SA-333 Gr.6 kav dej kom ntseeg tauntev - ua haujlwm ruaj khovNyob rau hauv qhov kub ntawm qhov kub thiab txias, ua tau raws li qhov yuav tsum tau ua kom nruj rau qhov chaw huab cua xws liCov cheeb tsam Arcticthiabsib sib zog nqus-sea applications‌.

ASTM A333 / A 333M Tshuaj lom neeg muaj pes tsawg leeg (%):

A333/A 333M	Chemical Components (%)
Qib	C	Si	Mn	P	S	Ni
GR.6	0.30 max	0.10 min	0.29-1.06	0.025 max	0.025 max	…

ASTM A333 / A 333M Tensile Requirements

A333/A 333M	Qib 6
A333/A 333M	psi	Mpa
Tensile zog, min	60000	415
Yield zog, min	35000	240
	Ntev	Trans - nqe lus
Elongation, min	30	16.5

Cov kev xav tau cuam tshuam rau Gr.6

ASTM A333 / A333M Gr.6 cuam tshuam cov cai
Qhov loj ntawm Specimen, mm	Yam tsawg kawg nkaus Notched Bar cuam tshuam tus nqi ntawm Txhua Txheej Peb Qauv A		Yam tsawg kawg nkaus Notched Bar Kev cuam tshuam tus nqi ntawm ib qho Qauv Tsuas ntawm ib Set A
	ft · lbf	J	ft · lbf	J
10 ua 10	13	18	10	14
10 ua 7,5	10	14	8	11
10,67 ua	9	12	7	9
10 ua 5	7	9	5	7
10 ua 3.33	5	7	3	4
10 ua 2.5	4	5	3	4
Ib txoj kab ncaj nraim - interpolation rau cov nqi nruab nrab yog tso cai.

Impact kub

Qib	Yam tsawg kawg nkaus Impact Test Temperature
Qib	degree F	degree
6	−50	−45

Kev cuam tshuam qhov kub thiab txias

Specimen Width Raws Notch los yog cov khoom tiag Thickness		Kub txo, Degrees Txias A
hauv.	mm	degree F	degree
0.394	10 (Standard loj)	0	0
0.354	9	0	0
0.315	8	0	0
0.295	7.5 hli (3/4 std.)	5	3
0.276	7	8	4
0.262	6.67 (2/3 std. loj)	10	5
0.236	6	15	8
0.197	5 (1/2 std. loj) 4	20	11
0.158	4	30	17
0.131	3.33 (1/3 std. loj)	35	19
0.118	3	40	22
0.099	2.5 hli (1/4 std.)	50	28

Kev tsim cov txheej txheem Cov ntsiab lus tseem ceeb rau A333 Gr.6 Steel Pipes

‌Steelmaking txheej txheem‌:

Kev tswj cov tshuaj lom neeg muaj pes tsawg leeg yog lub luag haujlwm tseem ceeb hauv kev tsim steel. Advanced steelmaking technologies xws liElectric arc rauv (EAF)los yogBasic Oxygen rauv (BOF)yog ua hauj lwm los xyuas kom meej cov ntsiab lus tseem ceeb ua raws li cov qauv. Thaum lub sij hawm molten steel refining, impurity ntsiab - tshwj xeeb tshaj yog phosphorus thiab sulfur - raug tshem tawm thaum alloying ntsiab ntsiab lus yog precisely kho.

‌Yeeb nkab txoj kev‌:

Ob txoj kev tsim thawj yog siv:

‌Kub Extrusion‌:
Steel billets yog extruded los ntawm tuag ntawm qhov kub thiab txias los tsim cov yeeb nkab duab. Cov txheej txheem no txhim khointernal structural uniformitythiab tshem tawm micro- tsis xws luag.

‌Txias daim duab‌:
Cov kav dej yog ncab los ntawm kev tuag ntawm chav tsev kub, ua tiavsiab dua qhov precisionthiabsuperior nto zoo‌.

‌Kev kho cua sov‌:

Cov txheej txheem kev kho cua sov txheem muaj xws li:

‌normalizing‌:
Cov kav dej tau muab cua sov rau qhov kub siab tshaj qhov tseem ceeb, tuav rau lub sijhawm teev tseg, ces huab cua- txias. Qhov no refines grain qauv, txhim khozogthiabtawvthaum txhim kho machinability.

‌Normalizing + Tempering‌:
Tom qab normalizing, cov kav dej tau tempering hauv qab qhov ntsuas kub tseem ceeb. Qhov no ntxiv optimizes microstructure,txo cov kev ntxhov siab sab hauv, thiab txhim kho kev ua tau zoo tag nrho.