60" (1524mm) x 1" (25.4mm) SMS 2- STEP SAWH SPIRAL PIPE MILL, NEW 2009

GENERAL SPIRAL MILL SPECIFICATIONS:

MANUFACTURER - PWS (SMS)
YEAR - 2009
TYPE - 2-STEP SUBMERGED-ARC WELDED HELICAL (SAWH)
PIPE DIAMETER - 24" - 60" (610-1524MM)
STRIP WIDTH - 39" - 72" (1000-1850MM)
WALL THICKNESS RANGE - " - 1" (6-25MM)
MAX COIL WEIGHT - 45 TON
PIPE LENGTH - UP TO 80'
MAX GAUGE - API X-80
YIELD STRENGTH - 560 N/mm2
PIPE LENGTH - 383" - 958" (9750-24400MM)
PIPE WEIGHT - 2072 LBS (940KG/M) MAX
COIL OUTSIDE DIAMETER - 28" - 30" (720-780MM)
FORMING ANGLE - 45 - 80 DEGREES
STRIP FEED SPEED - 0.5 - 10 M/MIN
TACK WELDING SPEED - 2.0 - 10M/MIN
ANNNUAL TONNAGE CAPACITY - 250,000
TOTAL SQUARE FOOTAGE - 230,000
STATUS - INSTALLED IN PLANT

GENERAL SPIRAL MILL COMPONENT DESCRIPTIONS:

COIL PREP STATION:
V-TYPE COIL STAND
OPENING DEVICE
COIL PREP STAND WITH PLASMA TORCH

SPIRAL MILL ENTRY:
ENTRY TRAVERSING COIL CAR

COIL BOX UNCOILER STAND
EDGE SENSORS

TWO-ROLL AUXILIARY DRIVE UNIT W/ STRIP CENTERING CONTROL
(2) 48 Kw DRIVE MOTORS
14" (380MM) DIAMETER ROLLS

SEVEN ROLL FLATTENER
13" (340MM) DIAMETER ROLLS
HYDRAULIC STRIP CENTERING DEVICE

TWO-PART STRIP CLAMPING DEVICE
ONE MOVEABLE SECTION & ONE STATIONARY SECTION

SHEAR-END WELD WELDING, CROSS CUTTING & CROSS MILLING STATION
W/ SCRAP CARRIAGE TABLE

ULTRASONIC SKLEP TESTING:
SEVEN HEAD SKELP UT TESTING W/ AUDIBLE, VISUAL AND SPRAY MARKING ALERTS

STRIP MILLING SECTION:
THREE HYDRAULICALLY CONTROLLLED HORIZONTAL STRIP GUIDE UNITS

THREE STRIP EDGE MILL ASSEMBLIES - TWO MILLING HEADS PER ASSEMBLY
EACH ASSEMBLY DRIVEN SEPARATELY BY 110 kW DC MOTOR

2-ROLL MAIN DRIVE PINCH ROLL STAND
21" DIAMETER (540MM) DRIVEN SEPARATELY BY 152 kW MOTORS

SPIRAL PIPE FORMING SECTION:
STRIP EDGE PREBENDING UNIT
TWO - THREE ROLL PRE-BEND ASSEMBLIES

SPIRAL FORMING ASSEMBLY
THREE FORMING ROLL BANKS & OUTSIDE CAGE DEVICE
MAG WELDING HEAD
FORMING RATE 40' PER MINUTE
CONTINUOUS WELD SEAM & TACK WELDING

PIPE CUTOFF STATION:
TRAVEL ROTARY PLASMA CUTOFF STATION
W/ PIPE CLAMPING DEVICE

POST SPIRAL PIPE FORMING STATIONS:
PIPE IDENTIFICATION STENCILING

TRAVELING ROTATING WIRE BRUSH CLEANING STATION W/ VACCUUM UNIT

FRONT & END TAB PREP & WELDING STATION

FOUR FINAL SUBMERGED-ARC WELDING STATIONS
CONSISTING OF:
THREE INTERNAL WIRE ID WELDING TORCHES
TWO EXTERNAL WIRE OD WELDING TORCHES
COMPUTERIZED ALIGNMENT TRACKING ID/OD WELD SEAM
REAL-TIME ELECTRONIC TRACKING OF WELD PARAMETERS
PRECISE CONVEYANE OF THE PIPE UNDER THE WELDING HEADS

TEST RING REMOVAL/CUTTING FOR OFFLINE INSPECTION
TAB PLATE REMOVAL

HYDROSTATIC TESTING UNIT
5000 PSI MAX
80' MAX LENGTH

AUTOMATED ULTRASONIC SHEAR WAVE & HEAT AFFECTED ZONE INSPECTION
LASER TRACKING OF THE WELD SEAM, PHASE ARRAY ULTRASONIC TESTING, PIPE

CONVEYORS AND POSITIONING
AUTOMATED AUDIBLE, VISUAL AND SPRAY MARKING ALERTS
DYAMIC AND STATIC CALIBRATION PROCESSES ARE UTILIZED

X-RAY DIGITAL RADIOGRAPHY PIPE END INSPECTION

TOP & END PIPE BEVELING
30-35 DEGREE ANGLE & ROOT FACE OF 1/16" +/- 1/32"

VISUAL INSPECTION & PIPE END INSPECTION

FINISH MEASSURING

FINISH PIPE TALLY & STENCILING

PLANT WIDE PIPE CONVEYING SYSTEM - BUILT TO MOVE PIPES BETWEEN ALL THE

STATIONS OF THE PROCESS, INCLUDING:
ASSOCIATED WELDERS, CONVEYORS, COIL/SPIRAL PIPE STANDS, POWERED URETHANE

TURNING ROLLS, HYDRAULIC UNITS, EJECTORS, POWERED & NON POWERED CONVEYORS

ASSOCIATED CONTROLS, SOFTWARE, HMI, OPERATORS STANDS, ELECTRICS TO RUN THE

EQUIPMENT

ALL SPECIFICATIONS ARE FOR REFERENCE ONLY AND MUST BE VERIFED BY PURCHASER.